@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:root {
  color-scheme: dark;
  --bg: #0b0f1a;
  --bg-secondary: #111827;
  --bg-card: #1e2538;
  --bg-card-rgb: 30, 37, 56;
  --bg-card-hover: #252d42;
  --text: #e8ecf4;
  --text-muted: #8892a8;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --success: #34d399;
  --success-bg: rgba(52, 211, 153, 0.12);
  --error: #f87171;
  --error-bg: rgba(248, 113, 113, 0.12);
  --warning: #fbbf24;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 60px;
  --nav-h: 72px;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f0f2f8;
  --bg-secondary: #e5e7f0;
  --bg-card: #ffffff;
  --bg-card-rgb: 255, 255, 255;
  --bg-card-hover: #f8f9fc;
  --text: #1a1d2e;
  --text-muted: #6b7190;
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.15);
  --accent-glow: rgba(99, 102, 241, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

/* Global Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 10px;
  border: 3px solid transparent;
  background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
  border: 3px solid transparent;
  background-clip: content-box;
}

/* Firefox support */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-hover) transparent;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

body.on-home {
  overflow: hidden;
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 2000;
  height: var(--header-h);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  min-width: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
  color: white;
}

.logo h1 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== HEADER NAV — PDF dropdown ===== */
.header-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.35px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-dropdown-trigger svg.chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.2s;
}

.nav-dropdown.open .nav-dropdown-trigger svg.chevron {
  transform: rotate(180deg);
}

.nav-dropdown-trigger:hover,
.nav-dropdown.open .nav-dropdown-trigger {
  color: var(--accent-hover);
  border-color: var(--accent-hover);
  background: var(--accent-glow);
}

.nav-dropdown.has-active-tool .nav-dropdown-trigger {
  color: var(--accent-hover);
  border-color: rgba(99, 102, 241, 0.45);
}

.nav-dropdown-panel {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 240px;
  max-width: min(92vw, 320px);
  max-height: min(70vh, 520px);
  overflow-x: hidden;
  overflow-y: auto;
  flex-direction: column;
  gap: 2px;
  padding: 0.45rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 250;
  -webkit-overflow-scrolling: touch;
}

.nav-dropdown.open .nav-dropdown-panel {
  display: flex;
}

.header-nav .nav-dropdown-panel a {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
  white-space: normal;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0.2px;
}

.header-nav .nav-dropdown-panel a svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.header-nav .nav-dropdown-panel a:hover {
  color: var(--accent-hover);
  background: var(--accent-glow);
}

.header-nav .nav-dropdown-panel a.active {
  color: var(--accent-hover);
  background: var(--accent-glow);
}

/* ===== HOME PAGE ===== */
.home-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: min-content;
  padding: 2rem 2rem 3rem;
  box-sizing: border-box;
}

.home-hero {
  text-align: center;
  max-width: 720px;
  margin-bottom: 3rem;
}

.home-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-hover) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 580px;
  margin: 0 auto;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
  width: 100%;
  max-width: 1200px;
}

.home-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.home-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.home-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.home-card:hover::before {
  opacity: 0.04;
}

.home-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.15rem;
  position: relative;
  z-index: 1;
}

.home-card-icon svg {
  width: 26px;
  height: 26px;
}

.home-card-icon--merge {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
}

.home-card-icon--split {
  background: rgba(249, 115, 22, 0.12);
  color: #f97316;
}

.home-card-icon--compress {
  background: rgba(234, 179, 8, 0.12);
  color: #eab308;
}

.home-card-icon--organize {
  background: rgba(59, 130, 246, 0.12);
  color: #3b82f6;
}

.home-card-icon--rotate {
  background: rgba(168, 85, 247, 0.12);
  color: #a855f7;
}

.home-card-icon--remove {
  background: rgba(244, 63, 94, 0.12);
  color: #f43f5e;
}

.home-card-icon--crop {
  background: rgba(6, 182, 212, 0.12);
  color: #06b6d4;
}

.home-card-icon--htmlpdf {
  background: rgba(249, 115, 22, 0.12);
  color: #f97316;
}

.home-card-icon--imgpdf {
  background: rgba(14, 165, 233, 0.12);
  color: #0ea5e9;
}

.home-card-icon--wordpdf {
  background: rgba(37, 99, 235, 0.12);
  color: #2563eb;
}

.home-card-icon--pptpdf {
  background: rgba(234, 88, 12, 0.12);
  color: #ea580c;
}

.home-card-icon--xlspdf {
  background: rgba(22, 163, 74, 0.12);
  color: #16a34a;
}

.home-card-icon--unlock {
  background: rgba(34, 197, 94, 0.12);
  color: #22c55e;
}

.home-card-icon--viewpdf {
  background: rgba(99, 102, 241, 0.12);
  color: #6366f1;
}

/* ─── View PDF / Reader ─── */
.viewpdf-thumbnails {
  width: 160px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 0.5rem;
}

.viewpdf-thumbs-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.viewpdf-thumb {
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 4px;
  padding: 2px;
  transition: border-color 0.2s;
  position: relative;
}

.viewpdf-thumb.active {
  border-color: var(--accent);
}

.viewpdf-thumb canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.viewpdf-thumb-label {
  text-align: center;
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.viewpdf-toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.viewpdf-toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.viewpdf-viewer {
  flex: 1;
  overflow-y: scroll;
  background: var(--bg-main, #1a1a2e);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  gap: 1rem;
}

.viewpdf-page {
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  position: relative;
  line-height: 0;
}

.viewpdf-page canvas {
  display: block;
}

.viewpdf-page .textLayer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  opacity: 0.25;
  line-height: 1;
}

.viewpdf-page .textLayer span {
  color: transparent;
  position: absolute;
  white-space: pre;
  transform-origin: 0% 0%;
}

.viewpdf-page .textLayer .search-hl {
  color: transparent;
  background: rgba(255, 255, 0, 0.5);
  border-radius: 2px;
  padding: 0;
  margin: 0;
}

.viewpdf-page .textLayer .search-hl.current {
  background: rgba(255, 140, 0, 0.7);
}

.convert-file-list {
  margin-top: 1rem;
  width: 100%;
  max-width: 640px;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 4px;
}

.convert-file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.86rem;
}

.convert-file-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-sidebar .convert-file-list {
  max-width: 100%;
  max-height: 400px;
  margin-top: 0.35rem;
}

.convert-orient-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 0.35rem;
}

.convert-radio {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.86rem;
  cursor: pointer;
}

.mt-1 {
  margin-top: 0.5rem;
}

.page-card.has-crop {
  box-shadow: inset 0 0 0 2px rgba(6, 182, 212, 0.6);
}

.page-card.has-crop .canvas-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 49%, rgba(6, 182, 212, 0.15) 49%, rgba(6, 182, 212, 0.15) 51%, transparent 51%);
  pointer-events: none;
  border: 1px solid rgba(6, 182, 212, 0.4);
}

.page-card .convert-img-thumb {
  display: block;
  max-width: 100%;
  max-height: 240px;
  width: auto;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
}

/* Convert tools — page cards adjust based on content aspect ratio */
.page-grid.convert-preview-frame .page-card .canvas-wrap {
  aspect-ratio: var(--aspect, 0.7071);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  min-height: 0;
  transition: aspect-ratio 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s ease;
}

.page-grid.convert-preview-frame.convert-preview-portrait .page-card .canvas-wrap {
  aspect-ratio: 0.707;
  /* Force A4 Portrait */
}

.page-grid.convert-preview-frame.convert-preview-landscape .page-card .canvas-wrap {
  aspect-ratio: 1.414;
  /* Force A4 Landscape */
}

/* Allow individual rotations to override the forced orientation aspect ratio */
.page-grid.convert-preview-frame .page-card .canvas-wrap.rotated-90,
.page-grid.convert-preview-frame .page-card .canvas-wrap.rotated-270 {
  aspect-ratio: var(--aspect, 0.7071);
}

#pptpdf-preview.page-grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

#pptpdf-preview.page-grid .page-card {
  padding: 0;
}

#pptpdf-preview.page-grid .page-card .page-card-header {
  padding: 0.35rem 0.6rem;
}

/* Images to PDF — standardize grid to match other tools */
#imgpdf-preview.page-grid {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* Rotate PDF — standardize grid to match other tools */
#rotate-preview.page-grid {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* Standard rotation is now handled globally at line 1180+ */




#imgpdf-preview.page-grid .page-card {
  padding: 0;
}

#imgpdf-preview.page-grid .page-card-header {
  padding: 0.4rem 0.5rem;
  font-size: 0.65rem;
}

#imgpdf-preview.page-grid .page-num-badge {
  min-width: 20px;
  height: 20px;
  font-size: 0.65rem;
}

/* Images to PDF — canvas wrap adapts to rotation */
#imgpdf-preview .page-card .canvas-wrap {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  margin: 0;
  transition: aspect-ratio 0.3s ease;
  overflow: hidden;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

/* Portrait orientation (0° or 180°) */
#imgpdf-preview .page-card .canvas-wrap:not(.rotated-90):not(.rotated-270) {
  aspect-ratio: var(--aspect, 0.7071);
}

/* Landscape orientation (90° or 270°) */
#imgpdf-preview .page-card .canvas-wrap.rotated-90,
#imgpdf-preview .page-card .canvas-wrap.rotated-270 {
  aspect-ratio: var(--aspect, 1.4142);
}

/* Images to PDF — visual rotation of page content */
#imgpdf-preview .page-card .canvas-wrap canvas,
#imgpdf-preview .page-card .canvas-wrap img,
#imgpdf-preview .page-card .canvas-wrap .convert-img-thumb {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
  margin: 0;
  max-width: none;
  max-height: none;
  transform: translate(-50%, -50%) scale(var(--sx, 1), var(--sy, 1));
}

/* 90° clockwise rotation - fit inside rotated container */
#imgpdf-preview .page-card .canvas-wrap.rotated-90 canvas,
#imgpdf-preview .page-card .canvas-wrap.rotated-90 img,
#imgpdf-preview .page-card .canvas-wrap.rotated-90 .convert-img-thumb {
  transform: translate(-50%, -50%) rotate(90deg) scale(var(--sx, 1), var(--sy, 1));
  max-width: 141%;
  max-height: 141%;
}

/* 180° rotation */
#imgpdf-preview .page-card .canvas-wrap.rotated-180 canvas,
#imgpdf-preview .page-card .canvas-wrap.rotated-180 img,
#imgpdf-preview .page-card .canvas-wrap.rotated-180 .convert-img-thumb {
  transform: translate(-50%, -50%) rotate(180deg) scale(var(--sx, 1), var(--sy, 1));
}

/* 270° rotation (90° counter-clockwise) - fit inside rotated container */
#imgpdf-preview .page-card .canvas-wrap.rotated-270 canvas,
#imgpdf-preview .page-card .canvas-wrap.rotated-270 img,
#imgpdf-preview .page-card .canvas-wrap.rotated-270 .convert-img-thumb {
  transform: translate(-50%, -50%) rotate(270deg) scale(var(--sx, 1), var(--sy, 1));
  max-width: 141%;
  max-height: 141%;
}

/* No rotation (but may have flips) */
#imgpdf-preview .page-card .canvas-wrap:not(.rotated-90):not(.rotated-180):not(.rotated-270) canvas,
#imgpdf-preview .page-card .canvas-wrap:not(.rotated-90):not(.rotated-180):not(.rotated-270) img,
#imgpdf-preview .page-card .canvas-wrap:not(.rotated-90):not(.rotated-180):not(.rotated-270) .convert-img-thumb {
  transform: translate(-50%, -50%) scale(var(--sx, 1), var(--sy, 1));
}




.convert-file-row.is-list-active {
  background: var(--accent-glow);
  border-radius: 6px;
  padding-left: 6px;
  margin-left: -6px;
}

.page-card.is-list-active {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.page-card-btn.delete-btn:hover {
  background: var(--error-bg);
  color: var(--error);
}

.page-card.deleted {
  opacity: 0.3;
  pointer-events: none;
  filter: grayscale(1);
}

.page-card.marked-remove {
  border-color: #f43f5e;
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.25);
  opacity: 0.5;
}

.page-card.marked-remove::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(244, 63, 94, 0.08);
  pointer-events: none;
}

.page-card.marked-remove .page-card-header {
  background: rgba(244, 63, 94, 0.15);
}

.home-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  position: relative;
  z-index: 1;
}

.home-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
  position: relative;
  z-index: 1;
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px;
  box-shadow: var(--shadow-sm);
}

.theme-toggle input {
  display: none;
}

.theme-toggle label {
  cursor: pointer;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  transition: var(--transition);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  user-select: none;
  position: relative;
  z-index: 1;
}

.theme-toggle input:checked+label {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 2px 10px var(--accent-glow);
}

.theme-toggle label svg {
  width: 14px;
  height: 14px;
}

/* ===== MAIN LAYOUT ===== */
main {
  height: calc(100vh - var(--header-h));
  overflow: hidden;
  padding: 0;
  max-width: none;
}

body.on-home main {
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

/* bottom-tools is hidden by default (display:none) */

/* ===== TOOL SECTIONS ===== */
.tool-section {
  display: none;
  height: 100%;
  overflow: hidden;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

.tool-section.active {
  display: flex;
  flex-direction: column;
}

#tool-home.tool-section {
  height: auto;
  min-height: min-content;
}

.tool-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
  position: relative;
  /* Added for absolute loading overlays */
}

.tool-center {
  flex: 1;
  overflow-y: auto;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-width: 0;
  min-height: 300px;
  height: auto;
  position: relative;
  background: var(--bg-card);
  /* Subtle differentiation */
}

.tool-center.has-content {
  justify-content: flex-start;
  align-items: stretch;
}

.tool-sidebar {
  width: 450px;
  flex-shrink: 0;
  border-left: 1px solid var(--border);
  background: var(--bg-secondary);
  overflow-y: auto;
  padding: 1.5rem;
  display: none;
  flex-direction: column;
  min-height: 0;
  height: 100%;
}

.tool-center.has-content ~ .tool-sidebar {
  display: flex;
}

.sidebar-header {
  margin-bottom: 1.5rem;
}

.sidebar-header h2 {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 0.35rem;
}

.sidebar-header p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: 1.25rem 0;
}

/* ===== TOOL BADGE ===== */
.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  background: var(--accent-glow);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-hover);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tool-badge svg {
  width: 12px;
  height: 12px;
}

/* ===== DROPZONE ===== */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 540px;
  user-select: none;
}

.dropzone * {
  pointer-events: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.dropzone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.dropzone:hover::before,
.dropzone.dragover::before {
  opacity: 0.04;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
  transform: translateY(-2px);
}

.dropzone-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 0.5rem;
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dropzone-icon svg {
  width: 20px;
  height: 20px;
  color: var(--accent-hover);
}

.dropzone-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.dropzone-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== TOOL INFO SECTION ===== */
.tool-info {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1.5rem 2.5rem;
  text-align: left;
  animation: toolInfoFadeIn 0.35s ease-out;
}

@keyframes toolInfoFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.tool-info-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 0.5rem;
  color: var(--text);
  text-align: center;
}

.tool-info-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Dropzone inside tool-info: prominent upload area */
.tool-info .dropzone {
  max-width: 100%;
  margin: 0 0 1.5rem;
  padding: 1.25rem 1.5rem;
  border: 2px dashed var(--border);
  border-radius: 12px;
  background: var(--bg-secondary);
}

.tool-info .dropzone:hover,
.tool-info .dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-glow);
  box-shadow: 0 0 0 4px var(--accent-glow), 0 8px 24px rgba(99, 102, 241, 0.12);
}

.tool-info-section {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tool-info-section::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.tool-info-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tool-info-steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.5;
}

.tool-info-step-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-info-tools {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.5rem;
}

.tool-info-tool-link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.7rem;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.tool-info-tool-link:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.tool-info-tool-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: white;
}

.tool-info-tool-icon svg {
  width: 15px;
  height: 15px;
}

.tool-info-tool-link > svg {
  display: none;
}

@media (max-width: 700px) {
  .tool-info {
    padding: 1.5rem 1rem 2rem;
  }
  .tool-info-title {
    font-size: 1.25rem;
  }
  .tool-info-tools {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
}

/* ===== PAGE GRID ===== */
.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
  width: 100%;
  align-content: start;
  align-items: start;
  flex-shrink: 0;
  min-height: min-content;
}

/* Split PDF — custom mode: drag-select & marquee */
#split-preview.page-grid {
  position: relative;
  min-height: 80px;
  padding-bottom: 5rem;
}

#split-preview.split-custom-mode .page-card {
  cursor: cell;
  user-select: none;
}

.page-card.custom-drag-highlight {
  border-color: #38bdf8 !important;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.35) !important;
  z-index: 2;
}

.split-marquee {
  position: absolute;
  border: 2px dashed var(--accent, #6366f1);
  background: rgba(99, 102, 241, 0.12);
  pointer-events: none;
  z-index: 20;
  border-radius: 4px;
}

.page-card {
  position: relative;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.page-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.page-card.selectable {
  cursor: pointer;
}

.page-card.selectable:hover {
  transform: translateY(-2px);
}

.page-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.page-card.selected::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  opacity: 0.06;
  pointer-events: none;
}

.page-card.locked {
  border: 2px solid;
  border-color: var(--card-color, var(--border));
}

.page-card.locked .page-card-header {
  background: var(--card-color, var(--border));
}

.page-card.locked .page-num-badge {
  border-radius: 50%;
}

.page-card canvas {
  display: block;
}

.page-card-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.65rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.page-num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  padding: 0 6px;
  background: var(--accent-glow);
  color: var(--accent-hover);
  font-weight: 700;
  font-size: 0.78rem;
  border-radius: var(--radius-full);
}

.page-card-label {
  display: none;
  /* Replaced by bottom label */
}

.page-card-footer {
  width: 100%;
  padding: 0.45rem 0.65rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  text-align: center;
  z-index: 10;
}

.page-card-label-bottom {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-card-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 6px;
  z-index: 20;
  opacity: 0;
  transform: translateY(-4px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-card:hover .page-card-actions {
  opacity: 1;
  transform: translateY(0);
}

.page-card-btn {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(30, 41, 59, 0.75);
  backdrop-filter: blur(8px);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  padding: 0;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.page-card-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.05);
  box-shadow: 0 4px 15px var(--accent-glow);
}

.page-card-btn svg {
  width: 16px;
  height: 16px;
}

.page-card .select-check {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 24px;
  height: 24px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  z-index: 11;
  transition: all 0.2s;
}

.page-card.selected .select-check {
  background: var(--accent);
  border-color: var(--accent);
}

.page-card .select-check svg {
  width: 14px;
  height: 14px;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.2s;
}

.page-card.selected .select-check svg {
  opacity: 1;
  transform: scale(1);
}

.page-card .canvas-wrap {
  --scale: 1;
  position: relative;
  width: 100%;
  aspect-ratio: var(--aspect, 0.7071);
  background: var(--bg-secondary);
  overflow: hidden;
  transition: aspect-ratio 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Content centering and rotation behavior */
.page-card .canvas-wrap canvas,
.page-card .canvas-wrap .convert-img-thumb {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translate(-50%, -50%) rotate(var(--rot-deg, 0deg)) scale(calc(var(--sx, 1) * var(--scale, 1)), calc(var(--sy, 1) * var(--scale, 1)));
  display: block;
  z-index: 1;
}

/* 90/180/270 degree rotation classes removed in favor of smooth --rot-deg */



/* Drag reorder indicators — sidebar list */
.merge-list li.drag-over-above {
  box-shadow: 0 -2px 0 0 var(--accent);
}

.merge-list li.drag-over-below {
  box-shadow: 0 2px 0 0 var(--accent);
}

/* Drag reorder indicators — page grid cards */
.page-card[draggable="true"] {
  cursor: grab;
}

.page-card[draggable="true"]:active {
  cursor: grabbing;
}

.page-card.dragging {
  opacity: 0.3;
  transform: scale(0.92);
  outline: 2px dashed rgba(255, 200, 0, 0.6);
}

.page-card.drag-target-left {
  box-shadow: -5px 0 0 0 #fbbf24, 0 0 12px 2px rgba(251, 191, 36, 0.45);
  animation: drag-pulse 0.8s ease-in-out infinite alternate;
}

.page-card.drag-target-right {
  box-shadow: 5px 0 0 0 #fbbf24, 0 0 12px 2px rgba(251, 191, 36, 0.45);
  animation: drag-pulse 0.8s ease-in-out infinite alternate;
}

@keyframes drag-pulse {
  from {
    box-shadow: 5px 0 0 0 #fbbf24, 0 0 8px 2px rgba(251, 191, 36, 0.35);
  }

  to {
    box-shadow: 5px 0 0 0 #fbbf24, 0 0 18px 4px rgba(251, 191, 36, 0.6);
  }
}

.page-grid.grid-drop-end {
  outline: 2px dashed #fbbf24;
  outline-offset: -2px;
  border-radius: var(--radius-md);
  background: rgba(251, 191, 36, 0.04);
}

.select-check {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  background: var(--bg-card);
  flex-shrink: 0;
}

.select-check svg {
  width: 14px;
  height: 14px;
  color: white;
  display: none;
}

.page-card.selected .select-check {
  background: var(--accent);
  border-color: var(--accent);
}

.page-card.selected .select-check svg {
  display: block;
}

/* ===== MODE TABS ===== */
.mode-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  margin-bottom: 1.25rem;
}

.mode-tabs-sub {
  margin-bottom: 1rem;
  background: var(--bg-secondary);
  border-color: var(--border);
}

.mode-tabs-sub .mode-tab {
  font-size: 0.78rem;
  padding: 0.4rem 0.6rem;
}

.mode-tab {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  background: transparent;
  color: var(--text-muted);
  transition: var(--transition);
}

.mode-tab:hover {
  color: var(--text);
  background: var(--bg-card-hover);
}

.mode-tab.active {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.mode-panel {
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.hint-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

kbd {
  font-family: ui-monospace, monospace;
  font-size: 0.72em;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text);
}

/* ===== SELECTED PAGES BAR ===== */
.selected-pages-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.btn-group-sm {
  display: flex;
  gap: 4px;
}

.selected-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 0.75rem;
  min-height: 28px;
}

.page-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  background: var(--accent-glow);
  color: var(--accent-hover);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

/* ===== COMPRESS LEVEL CARDS ===== */
.compress-levels {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.level-card {
  cursor: pointer;
  display: block;
}

.level-card input {
  display: none;
}

.level-card-inner {
  padding: 0.7rem 0.85rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  transition: var(--transition);
}

.level-card:hover .level-card-inner {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.level-card input:checked~.level-card-inner {
  border-color: var(--accent);
  background: var(--accent-glow);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.level-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  margin-bottom: 2px;
}

.level-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.level-dot::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: transparent;
  transition: var(--transition);
}

.level-card input:checked~.level-card-inner .level-dot {
  border-color: var(--accent);
}

.level-card input:checked~.level-card-inner .level-dot::after {
  background: var(--accent);
}

.level-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  padding-left: 2rem;
}

.level-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: white;
}

.compress-result-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--success-bg);
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.compress-result-bar .size-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.compress-result-bar .size-value {
  font-size: 1rem;
  font-weight: 700;
}

.compress-result-bar .size-saved {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--success);
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
}

/* ===== FORM ELEMENTS ===== */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="password"],
input[type="number"] {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
  transition: var(--transition);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

/* ===== PASSWORD INPUT WITH TOGGLE ===== */
.password-input-wrap {
  position: relative;
  display: block;
  width: 100%;
}

.password-input-wrap input[type="password"],
.password-input-wrap input[type="text"] {
  width: 100%;
  padding-right: 2.5rem !important;
  z-index: 1;
  position: relative;
  box-sizing: border-box;
  display: block;
}

.password-toggle {
  position: absolute;
  right: 7px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: var(--transition);
  z-index: 2;
  pointer-events: auto;
}

.password-toggle:hover {
  color: var(--accent-hover);
  background: var(--accent-glow);
}

.password-toggle svg {
  width: 16px;
  height: 16px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.25rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  background: var(--accent-gradient);
  color: white;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 4px 12px var(--accent-glow);
  overflow: hidden;
  width: 100%;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
  filter: brightness(1.1);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  filter: none;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.btn-secondary::after {
  display: none;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
  border-radius: 6px;
  width: auto;
}

.btn-lg {
  padding: 1rem 1.75rem;
  font-size: 1.05rem;
  border-radius: 12px;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ===== MERGE LIST (sidebar) ===== */
.merge-list {
  list-style: none;
  margin-bottom: 0.75rem;
  max-height: 450px;
  overflow-y: auto;
  padding-right: 4px;
}

.merge-list li {
  padding: 0.65rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: grab;
  transition: var(--transition);
  font-size: 0.85rem;
}

.merge-list li:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.merge-list li.dragging {
  opacity: 0.4;
  border-color: var(--accent);
}

.merge-list .handle {
  color: var(--text-muted);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.merge-list .file-info {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.merge-list .file-name {
  font-weight: 600;
  font-size: 0.82rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.merge-list .file-size {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.merge-list .file-index {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  white-space: nowrap;
}

.merge-list .file-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.btn-icon {
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-icon:hover:not(:disabled) {
  color: var(--text);
  background: var(--bg-secondary);
  border-color: var(--border);
}

.btn-icon:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.btn-icon.remove-btn:hover:not(:disabled) {
  color: var(--error);
  background: var(--error-bg);
  border-color: var(--error);
}

/* ===== PREVIEW AREA (compress) ===== */
.preview-area {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.preview-area iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ===== MESSAGES ===== */
.message {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.message.success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.message.error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid rgba(248, 113, 113, 0.2);
}

.message.info {
  background: var(--accent-glow);
  color: var(--accent-hover);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.single-page-msg {
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-weight: 500;
  width: 100%;
  max-width: 540px;
}

.file-info-bar {
  padding: 0.65rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.file-name-display {
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.file-size-display {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===== ZOOM OVERLAY ===== */
.zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zoom-overlay-bg {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
}

.zoom-overlay-content {
  position: relative;
  width: 95vw;
  height: 95vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: none;
  overflow: auto;
  padding: 0.5rem;
}

.zoom-overlay-content canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background: transparent;
  transition: transform 0.3s ease;
}

.zoom-close-btn {
  position: fixed;
  top: 16px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2100;
  transition: var(--transition);
}

.zoom-close-btn:hover {
  background: var(--error);
  color: white;
  border-color: var(--error);
}

/* ===== BOTTOM NAVIGATION ===== */
.bottom-tools {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(20px);
  padding: 0.5rem 1rem;
  display: none;
  justify-content: center;
  gap: 0.5rem;
}

.bottom-tools a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 1.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  position: relative;
}

.bottom-tools a svg {
  width: 28px;
  height: 28px;
  transition: var(--transition);
}

.bottom-tools a:hover {
  color: var(--accent-hover);
  background: var(--accent-glow);
}

.bottom-tools a.active {
  color: var(--accent-hover);
  background: var(--accent-glow);
}

.bottom-tools a.active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: 0 0 3px 3px;
}

/* ===== SPACING ===== */
.mt-1 {
  margin-top: 0.75rem;
}

.mt-2 {
  margin-top: 1.25rem;
}

.mt-3 {
  margin-top: 2rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nav-dropdown-panel {
    left: auto;
    right: 0;
    max-width: min(94vw, 300px);
  }
}

@media (max-width: 800px) {
  .tool-layout {
    flex-direction: column;
  }

  .tool-sidebar {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border);
    max-height: 45vh;
  }

  .tool-center {
    min-height: 40vh;
  }

  .page-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }

  .bottom-tools a {
    padding: 0.4rem 0.9rem;
  }

  .home-title {
    font-size: 1.6rem;
  }

  .home-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 500px) {
  .home-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== HTML TO PDF EDITOR ===== */
/* ===== HTML-to-PDF center full-width ===== */
#htmlpdf-center {
  align-items: stretch;
}

/* ===== HTML-to-PDF initial prompt overlay ===== */
.htmlpdf-initial {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  padding: 1.5rem 2rem;
  margin-bottom: 1.5rem;
}

.htmlpdf-initial.hidden {
  display: none;
}

.htmlpdf-initial .init-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.htmlpdf-initial .init-icon svg {
  width: 36px;
  height: 36px;
}

.htmlpdf-initial h2 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text);
}

.htmlpdf-initial p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  max-width: 420px;
}

.htmlpdf-initial .init-url-row {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 520px;
}

.htmlpdf-initial .init-url-input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--bg-secondary);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

.htmlpdf-initial .init-url-input:focus {
  border-color: var(--accent);
}

.htmlpdf-initial .init-url-btn {
  padding: 0.75rem 1.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.htmlpdf-initial .init-url-btn:hover {
  background: var(--accent-hover);
}

.htmlpdf-initial .init-url-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.htmlpdf-initial .init-url-status {
  font-size: 0.82rem;
  min-height: 1.2em;
}

.htmlpdf-initial .init-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 520px;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.htmlpdf-initial .init-divider::before,
.htmlpdf-initial .init-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.htmlpdf-initial .init-write-btn {
  padding: 0.65rem 1.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  background: var(--bg-card);
  color: var(--text);
  transition: var(--transition);
}

.htmlpdf-initial .init-write-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.htmlpdf-editor-wrap {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
  min-height: 500px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
}

.htmlpdf-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.htmlpdf-tab {
  padding: 0.6rem 1.2rem;
  font-size: 0.82rem;
  font-weight: 600;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.htmlpdf-tab:hover {
  color: var(--text);
  background: var(--bg-card);
}

.htmlpdf-tab.active {
  color: var(--accent-hover);
  border-bottom-color: var(--accent);
  background: var(--bg-card);
}

.htmlpdf-panels {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
}

.htmlpdf-code-panel {
  flex: 1;
  min-width: 0;
  display: flex;
}

.htmlpdf-code-panel textarea {
  flex: 1;
  width: 100%;
  resize: none;
  padding: 1rem;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  tab-size: 2;
  background: var(--bg);
  color: var(--text);
  border: none;
  outline: none;
}

.htmlpdf-preview-panel {
  flex: 1;
  min-width: 0;
  background: white;
}

.htmlpdf-preview-panel iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.htmlpdf-panels[data-view="code"] .htmlpdf-code-panel {
  display: flex;
}

.htmlpdf-panels[data-view="code"] .htmlpdf-preview-panel {
  display: none;
}

.htmlpdf-panels[data-view="preview"] .htmlpdf-code-panel {
  display: none;
}

.htmlpdf-panels[data-view="preview"] .htmlpdf-preview-panel {
  display: block;
}

.htmlpdf-panels[data-view="split"] .htmlpdf-code-panel {
  display: flex;
  flex: 1;
}

.htmlpdf-panels[data-view="split"] .htmlpdf-preview-panel {
  display: block;
  flex: 1;
  border-left: 1px solid var(--border);
}

/* ===== CROP OVERLAY ===== */
.crop-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== CONVERT TOOLS (Images to PDF, Office to PDF) ===== */
.convert-file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
  padding-right: 4px;
}

.convert-file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.82rem;
  transition: var(--transition);
  cursor: pointer;
}

.convert-file-row:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.convert-file-row.is-list-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
  background: var(--bg-card-hover);
}

.convert-file-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.convert-orient-row {
  display: flex;
  gap: 12px;
  margin-top: 0.5rem;
}

.convert-radio {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
  transition: var(--transition);
}

.convert-radio:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent-hover);
}

.convert-radio input {
  margin: 0;
}

.convert-img-thumb {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
}


/* Orientation variables now inherited from global .canvas-wrap */


/* Specific grid adjustment for landscape conversion preview */
.convert-preview-landscape.page-grid {
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
}

.crop-overlay-bg {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.crop-overlay-content {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.crop-overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.crop-overlay-header h3 {
  margin: 0;
  font-size: 1rem;
}

.crop-canvas-wrap {
  position: relative;
  overflow: hidden;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  padding: 1rem;
  min-height: 300px;
}

.crop-canvas-wrap canvas {
  display: block;
  max-width: 100%;
  max-height: 70vh;
  height: auto;
}

.crop-rect {
  position: absolute;
  border: 2px dashed #06b6d4;
  background: rgba(6, 182, 212, 0.08);
  cursor: move;
  min-width: 20px;
  min-height: 20px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.35);
}

.crop-rect .crop-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #06b6d4;
  border-radius: 2px;
}

.crop-rect .crop-handle.tl {
  top: -5px;
  left: -5px;
  cursor: nw-resize;
}

.crop-rect .crop-handle.tr {
  top: -5px;
  right: -5px;
  cursor: ne-resize;
}

.crop-rect .crop-handle.bl {
  bottom: -5px;
  left: -5px;
  cursor: sw-resize;
}

.crop-rect .crop-handle.br {
  bottom: -5px;
  right: -5px;
  cursor: se-resize;
}

.crop-rect .crop-handle.tc {
  top: -5px;
  left: 50%;
  margin-left: -5px;
  cursor: n-resize;
}

.crop-rect .crop-handle.bc {
  bottom: -5px;
  left: 50%;
  margin-left: -5px;
  cursor: s-resize;
}

.crop-rect .crop-handle.lc {
  top: 50%;
  left: -5px;
  margin-top: -5px;
  cursor: w-resize;
}

.crop-rect .crop-handle.rc {
  top: 50%;
  right: -5px;
  margin-top: -5px;
  cursor: e-resize;
}

.crop-overlay-footer {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  align-items: center;
}

.crop-overlay-footer .btn {
  width: auto;
  min-width: 120px;
}

.crop-overlay-footer #convert-crop-rotate {
  min-width: 0;
  padding: 0.65rem;
}

.page-card.range-highlight {
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25);
}

.page-card.range-highlight::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(245, 158, 11, 0.08);
  pointer-events: none;
}

.page-card.fixed-grp-0 {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.page-card.fixed-grp-0::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(59, 130, 246, 0.08);
  pointer-events: none;
}

.page-card.fixed-grp-1 {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25);
}

.page-card.fixed-grp-1::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(239, 68, 68, 0.08);
  pointer-events: none;
}

.page-card.fixed-grp-2 {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
}

.page-card.fixed-grp-2::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(16, 185, 129, 0.08);
  pointer-events: none;
}

.page-card.fixed-grp-3 {
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25);
}

.page-card.fixed-grp-3::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(245, 158, 11, 0.08);
  pointer-events: none;
}

.page-card.fixed-grp-4 {
  border-color: #8b5cf6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

.page-card.fixed-grp-4::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(139, 92, 246, 0.08);
  pointer-events: none;
}

.page-card.fixed-grp-5 {
  border-color: #ec4899;
  box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.25);
}

.page-card.fixed-grp-5::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(236, 72, 153, 0.08);
  pointer-events: none;
}

.split-file-badge,
.merge-file-badge {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  z-index: 3;
  letter-spacing: 0.3px;
  pointer-events: none;
}

.page-card.extract-all-highlight {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
}

.page-card.extract-all-highlight::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(16, 185, 129, 0.08);
  pointer-events: none;
}

.page-card.has-crop {
  border-color: #06b6d4;
}

.page-card.has-crop::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(6, 182, 212, 0.06);
  pointer-events: none;
}

/* ===== ADJUSTMENT CONTROLS (6 OPTIONS) ===== */
.sidebar-row-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.65rem;
  display: block;
}

.btn-group-adjust {
  display: flex;
  gap: 6px;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.btn-group-adjust .btn {
  padding: 6px;
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-group-adjust .btn svg {
  width: 16px;
  height: 16px;
}

/* Rotate adjustment grid buttons */
#rotate-sidebar-content [id^="rotate-all-"],
#organize-adjust-buttons [id^="rotate-all-"],
#crop-adjust-buttons [id^="rotate-all-"] {
  transition: all 0.3s ease;
}

#rotate-sidebar-content [id^="rotate-all-"]:hover:not(#rotate-all-reset),
#rotate-sidebar-content [id^="rotate-all-"]:not(#rotate-all-reset):active {
  border-color: var(--accent) !important;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05)) !important;
  color: var(--accent) !important;
  transform: translateY(-2px);
}

#rotate-sidebar-content #rotate-all-reset:hover {
  background: linear-gradient(135deg, var(--accent-hover), #7c3aed) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

#rotate-sidebar-content #rotate-all-reset:active {
  transform: translateY(0);
}

/* Redundant transform removed - handled globally by .page-card .canvas-wrap */
.canvas-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Legacy support or direct helper classes */
.flipped-h {
  --sx: -1;
}

.flipped-v {
  --sy: -1;
}


/* ===== LOADING SPINNER & OVERLAY ===== */
.tool-center {
  position: relative;
}

.tool-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(var(--bg-card-rgb, 30, 37, 56), 0.85);
  backdrop-filter: blur(4px);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 500;
  gap: 1.25rem;
  border-radius: var(--radius-lg);
  animation: fadeIn 0.2s ease;
}

.tool-loading-overlay.active {
  display: flex;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.2px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.tool-section.is-preprocessing .tool-sidebar button:not(.btn-secondary),
.tool-section.is-preprocessing .tool-sidebar .btn:not(.btn-secondary) {
  opacity: 0.6 !important;
  pointer-events: none !important;
  cursor: not-allowed !important;
}

.preview-loading-hint {
  position: absolute;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1100;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  padding: 0.6rem 1.2rem;
  border-radius: 99px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), var(--shadow-md);
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  pointer-events: none;
  width: max-content;
  animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate(-50%, -10px);
  }

  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.spinner-sm {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(var(--accent-rgb, 79, 70, 229), 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ===== CUSTOM SWITCH (Large) ===== */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--bg-card-hover);
  transition: .3s;
  border: 1px solid var(--border);
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .3s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

input:checked+.slider {
  background: var(--accent-gradient);
  border-color: var(--accent);
}

input:focus+.slider {
  box-shadow: 0 0 1px var(--accent);
}

input:checked+.slider:before {
  transform: translateX(20px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* ===== TOOL DOUBLE-CLICK HINT ===== */
.tool-dblclick-hint {
  position: sticky;
  bottom: 0px;
  left: 50%;
  align-self: center;
  padding: 6px 14px;
  background: rgba(var(--bg-card-rgb, 30, 37, 56), 0.65);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 100;
  display: none;
  white-space: nowrap;
  margin-top: auto;
  margin-bottom: -40px;
}

.tool-center.has-files .tool-dblclick-hint {
  display: block;
  opacity: 1;
  margin-bottom: 20px;
}

.tool-dblclick-hint svg {
  vertical-align: middle;
  margin-right: 4px;
  opacity: 0.7;
}

/* Fix for Select Option text color in Dark Theme */
select.form-control option {
  background: var(--bg-card);
  color: var(--text);
}

/* ===== DOWNLOAD PAGE STYLES ===== */
#tool-download.tool-section {
  overflow-y: auto;
}

.download-container {
  max-width: 900px;
  margin: 24px auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  padding: 0 20px 60px 20px;
  animation: fadeIn 0.4s ease-out;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 36px;
  width: 100%;
  max-width: 480px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.download-icon-circle {
  width: 52px;
  height: 52px;
  background: rgba(var(--accent-rgb, 79, 70, 229), 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--accent);
}

.compression-stats {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin: 24px 0 32px 0;
  padding: 24px;
  background: rgba(var(--accent-rgb, 79, 70, 229), 0.05);
  border-radius: 24px;
  border: 1px dashed var(--border);
  width: 100%;
}

.compression-badge {
  width: 100px;
  height: 100px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 10px 25px -5px rgba(var(--accent-rgb, 79, 70, 229), 0.4);
  animation: pulse 2s infinite ease-in-out;
}

.compression-badge span {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
}

.compression-badge small {
  font-size: 0.75rem;
  font-weight: 700;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.compression-info {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.stat-arrow {
  color: var(--accent);
  opacity: 0.5;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 10px 25px -5px rgba(var(--accent-rgb, 79, 70, 229), 0.4);
  }

  50% {
    transform: scale(1.05);
    box-shadow: 0 15px 35px -5px rgba(var(--accent-rgb, 79, 70, 229), 0.6);
  }

  100% {
    transform: scale(1);
    box-shadow: 0 10px 25px -5px rgba(var(--accent-rgb, 79, 70, 229), 0.4);
  }
}

.download-icon-circle svg {
  width: 26px;
  height: 26px;
}

.download-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}

.download-filename {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  word-break: break-all;
}

.download-btn {
  padding: 12px 36px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 12px -3px rgba(var(--accent-rgb), 0.3);
  margin-bottom: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 20px -5px rgba(var(--accent-rgb), 0.4);
}

.download-actions {
  margin-top: 8px;
}

/* ===== WHAT'S NEXT SECTION (Premium Upgrade) ===== */
.whats-next-section {
  width: 100%;
  margin-top: 20px;
  text-align: center;
}

.whats-next-section h3 {
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.next-tools-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 10px;
  width: 100%;
}

@media (max-width: 1000px) {
  .next-tools-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 800px) {
  .next-tools-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 600px) {
  .next-tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.next-tool-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: visible;
}

.next-tool-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.1);
  background: var(--bg-secondary);
  z-index: 10;
}

.next-tool-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 8px -2px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s ease;
}

.next-tool-item:hover .next-tool-icon {
  transform: scale(1.1);
}

.next-tool-icon svg {
  width: 18px;
  height: 18px;
}

.next-tool-item span {
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--text);
}

/* Hover Tooltip Description */
.next-tool-item::after {
  content: attr(data-desc);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: #1e293b;
  color: white;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 500;
  width: 150px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  z-index: 100;
  border: 1px solid rgba(255, 255, 255, 0.1);
  line-height: 1.4;
}

.next-tool-item:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-12px);
}

/* Icon Colors (Matching requested aesthetics) */
.merge-icon {
  background: linear-gradient(135deg, #f43f5e, #fb7185);
}

/* Red/Pink */
.split-icon {
  background: linear-gradient(135deg, #a855f7, #c084fc);
}

/* Purple */
.compress-icon {
  background: linear-gradient(135deg, #10b981, #34d399);
}

/* Green */
.organize-icon {
  background: linear-gradient(135deg, #ec4899, #f472b6);
}

/* Pink */
.rotate-icon {
  background: linear-gradient(135deg, #64748b, #94a3b8);
}

/* Slate */
.remove-icon {
  background: linear-gradient(135deg, #ef4444, #f87171);
}

/* Red */
.crop-icon {
  background: linear-gradient(135deg, #0ea5e9, #38bdf8);
}

/* Blue */
.htmlpdf-icon {
  background: linear-gradient(135deg, #6366f1, #818cf8);
}

/* Indigo */
.imgpdf-icon {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

/* Amber */
.wordpdf-icon {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
}

/* Blue */
.pptpdf-icon {
  background: linear-gradient(135deg, #f97316, #fb923c);
}

/* Orange */
.xlspdf-icon {
  background: linear-gradient(135deg, #22c55e, #4ade80);
}

/* Green */
.unlock-icon {
  background: linear-gradient(135deg, #8b5cf6, #a78bfa);
}

/* Violet */
.viewpdf-icon {
  background: linear-gradient(135deg, #14b8a6, #2dd4bf);
}

/* Teal */
.editpdf-icon {
  background: linear-gradient(135deg, #6366f1, #818cf8);
}

/* Indigo */
.signpdf-icon {
  background: linear-gradient(135deg, #10b981, #34d399);
}

/* Emerald */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .download-card {
    padding: 32px 20px;
  }

  .download-card h2 {
    font-size: 1.5rem;
  }

  .next-tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.selection-box {
  position: fixed;
  border: 1px dashed var(--accent);
  background-color: rgba(59, 130, 246, 0.15);
  pointer-events: none;
  z-index: 999999;
  box-sizing: border-box;
}

body.selecting-active {
  user-select: none !important;
  cursor: crosshair !important;
}

/* ===== Edit PDF Editor ===== */
.home-card-icon--editpdf {
  background: rgba(249, 115, 22, 0.12);
  color: #f97316;
}

.editpdf-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.editpdf-toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.editpdf-toolbar-sep {
  width: 1px;
  height: 26px;
  background: var(--border);
  margin: 0 4px;
}

.editpdf-tool-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1.5px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  transition: all 0.15s ease;
}

.editpdf-tool-btn:hover {
  background: var(--bg-card);
  color: var(--text);
}

.editpdf-tool-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.editpdf-tool-btn svg {
  width: 20px;
  height: 20px;
}

.editpdf-viewport {
  flex: 1;
  overflow: auto;
  background: var(--bg-main, #1a1a2e);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
}

.editpdf-canvas-container {
  position: relative;
  box-shadow: 0 2px 12px rgba(0,0,0,0.4);
  line-height: 0;
  background: white;
}

.editpdf-canvas-container canvas {
  display: block;
}

#editpdf-overlay-canvas {
  position: absolute;
  top: 0;
  left: 0;
  cursor: crosshair;
}

.editpdf-page-info {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.editpdf-prop-group {
  margin-bottom: 0.75rem;
}

.editpdf-prop-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
}

.editpdf-prop-row label {
  min-width: 50px;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.editpdf-prop-row input[type="color"] {
  width: 32px;
  height: 24px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}

.editpdf-sign-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.6);
}

.editpdf-sign-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  width: 440px;
  max-width: 90vw;
}

.editpdf-sign-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.editpdf-sign-tab {
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  border-bottom: 2px solid transparent;
}

.editpdf-sign-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.editpdf-stamp-popover {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  width: 240px;
}

.editpdf-stamp-option {
  padding: 0.4rem 0.6rem;
  border: 2px solid var(--border);
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 800;
  text-align: center;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: transparent;
}

.editpdf-stamp-option:hover {
  border-color: var(--accent);
}

/* Floating text toolbar — clean blue/white grid style */
/* ── Floating text toolbar (always white) ── */
/* ── Floating Toolbar ── */
.editpdf-float-tb {
  position: absolute;
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0;
  background: #ffffff;
  border: 2.5px solid #3b82f6;
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(59,130,246,0.2), 0 2px 6px rgba(0,0,0,0.08);
  z-index: 50;
  white-space: nowrap;
  pointer-events: auto;
  overflow: hidden;
}
.editpdf-float-tb > *:first-child { border-radius: 8px 0 0 8px; }
.editpdf-float-tb > *:last-child { border-radius: 0 8px 8px 0; }
/* Vertical separator */
.eftb-sep {
  width: 2px;
  min-width: 2px;
  align-self: stretch;
  background: #93c5fd;
  flex-shrink: 0;
}
.eftb-font {
  background: #fff;
  color: #1e3a5f;
  border: none;
  border-radius: 0;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 600;
  height: 42px;
  max-width: 140px;
  cursor: pointer;
  outline: none;
}
.eftb-font option { background: #fff; color: #1e3a5f; }
.eftb-font:hover { background: #f0f7ff; }
.eftb-font:focus { background: #e0edff; outline: none; }
.eftb-btn {
  background: #fff;
  color: #2563eb;
  border: none;
  border-radius: 0;
  width: 42px;
  min-width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.eftb-btn:hover { background: #f0f7ff; }
.eftb-btn.active { background: #2563eb; color: #fff; }
.eftb-del:hover { background: #fef2f2 !important; color: #dc2626 !important; }
.eftb-color-hidden {
  position: absolute;
  width: 0; height: 0;
  opacity: 0;
  pointer-events: none;
}
/* Size popup */
.eftb-size-popup {
  position: absolute;
  width: 84px !important;
  min-width: 84px;
  max-width: 84px;
  height: 46px !important;
  box-sizing: border-box;
  background: #fff;
  color: #1e3a5f;
  border: 1.5px solid #60a5fa;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  outline: none;
  box-shadow: 0 6px 24px rgba(59,130,246,0.15);
  z-index: 60;
  padding: 0 6px;
}
.eftb-size-popup::-webkit-inner-spin-button,
.eftb-size-popup::-webkit-outer-spin-button {
  -webkit-appearance: auto;
  opacity: 1;
  margin: 0;
  cursor: pointer;
  width: 20px;
  height: 42px;
}
/* ── Link Popup ── */
.eftb-link-popup {
  position: absolute;
  background: #fff;
  border: 2.5px solid #3b82f6;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(59,130,246,0.18);
  z-index: 60;
  padding: 10px 12px;
  width: 220px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.eftb-link-header {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #3b82f6;
  font-size: 13px;
  font-weight: 700;
}
.eftb-link-input {
  width: 100%;
  height: 32px;
  border: 1.5px solid #bfdbfe;
  border-radius: 6px;
  padding: 0 8px;
  font-size: 12px;
  color: #1e3a5f;
  background: #f8faff;
  outline: none;
  transition: border-color 0.15s;
}
.eftb-link-input:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.eftb-link-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
.eftb-link-remove {
  background: none;
  border: 1.5px solid #e5e7eb;
  border-radius: 6px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.15s;
}
.eftb-link-remove:hover {
  background: #fee2e2;
  color: #ef4444;
  border-color: #fca5a5;
}
.eftb-link-save {
  background: #3b82f6;
  border: none;
  border-radius: 6px;
  padding: 5px 18px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: background 0.15s;
}
.eftb-link-save:hover {
  background: #2563eb;
}

/* ── Toolbar inline inputs ── */
.eftb-num {
  background: #ffffff !important;
  color: #1e3a5f !important;
  border: none;
  border-radius: 0;
  width: 52px;
  min-width: 52px;
  max-width: 52px;
  flex: 0 0 52px;
  height: 42px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  outline: none;
  padding: 0 4px;
  -moz-appearance: textfield;
}
.eftb-num::-webkit-inner-spin-button,
.eftb-num::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.eftb-range {
  width: 64px;
  min-width: 64px;
  max-width: 64px;
  flex: 0 0 64px;
  height: 42px;
  padding: 0 6px;
  cursor: pointer;
  accent-color: #2563eb;
  background: transparent;
}
.eftb-lbl {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: #2563eb;
  opacity: 0.7;
  white-space: nowrap;
  height: 42px;
  background: #fff;
}
.eftb-clr-btn {
  background: #fff;
  border: none;
  border-radius: 0;
  width: 42px;
  min-width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s;
  position: relative;
}
.eftb-clr-btn:hover { background: #f0f7ff; }
.eftb-clr-swatch {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  border: 2px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}
.eftb-stamp-sel {
  background: #fff;
  color: #1e3a5f;
  border: none;
  border-radius: 0;
  padding: 0 8px;
  font-size: 12px;
  font-weight: 600;
  height: 42px;
  max-width: 120px;
  cursor: pointer;
  outline: none;
}
.eftb-stamp-sel option { background: #fff; color: #1e3a5f; }
.eftb-url {
  background: #fff;
  color: #1e3a5f;
  border: none;
  border-radius: 0;
  padding: 0 10px;
  font-size: 13px;
  height: 42px;
  min-width: 140px;
  max-width: 200px;
  outline: none;
}
.eftb-url:focus { background: #f0f7ff; }

.editpdf-inline-text {
  position: absolute;
  background: transparent;
  border: 2px dashed #3b82f6;
  border-radius: 3px;
  color: inherit;
  font: inherit;
  resize: none;
  outline: none;
  overflow: hidden;
  z-index: 10;
  padding: 2px 4px;
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

@media (max-width: 900px) {
  .editpdf-toolbar {
    gap: 0.3rem;
    padding: 0.3rem 0.5rem;
  }
  .editpdf-tool-btn {
    width: 32px;
    height: 32px;
  }
  .editpdf-tool-btn svg {
    width: 17px;
    height: 17px;
  }
}

/* ===== Sign PDF ===== */
.home-card-icon--signpdf {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
}

.home-card-icon--watermark {
  background: rgba(6, 182, 212, 0.12);
  color: #06b6d4;
}

/* ===== Watermark Tool ===== */
.watermark-position-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  width: 120px;
  margin-top: 0.35rem;
}

.watermark-position-grid button {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.watermark-position-grid button:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--text);
}

.watermark-position-grid button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.wm-btn-group {
  display: flex;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.wm-opt-btn {
  flex: 1;
  padding: 0.4rem 0.6rem;
  border: none;
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border-right: 1px solid var(--border);
}

.wm-opt-btn:last-child {
  border-right: none;
}

.wm-opt-btn:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.wm-opt-btn.active {
  background: var(--accent);
  color: #fff;
}

.wm-preview-overlay {
  transition: font-size 0.2s ease, opacity 0.2s ease, transform 0.2s ease, top 0.2s ease, bottom 0.2s ease, left 0.2s ease, right 0.2s ease;
}

.wm-zoom-overlay {
  transition: font-size 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

.watermark-icon {
  background: linear-gradient(135deg, #06b6d4, #22d3ee);
}

.home-card-icon--pagenumbers {
  background: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
}

.pagenumbers-icon {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.home-card-icon--pdfword {
  background: rgba(37, 99, 235, 0.12);
  color: #2563eb;
}

.pdfword-icon {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
}

.home-card-icon--pdfppt {
  background: rgba(220, 38, 38, 0.12);
  color: #dc2626;
}

.pdfppt-icon {
  background: linear-gradient(135deg, #dc2626, #ef4444);
}

.home-card-icon--pdfxlsx {
  background: rgba(22, 163, 74, 0.12);
  color: #16a34a;
}

.pdfxlsx-icon {
  background: linear-gradient(135deg, #16a34a, #22c55e);
}

.signpdf-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.signpdf-toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.signpdf-toolbar-sep {
  width: 1px;
  height: 26px;
  background: var(--border);
  margin: 0 4px;
}

.signpdf-tool-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1.5px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  transition: all 0.15s ease;
}

.signpdf-tool-btn:hover {
  background: var(--bg-card);
  color: var(--text);
}

.signpdf-tool-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.signpdf-tool-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.signpdf-viewport {
  flex: 1;
  overflow: auto;
  background: var(--bg-main, #1a1a2e);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
}

.signpdf-canvas-container {
  position: relative;
  box-shadow: 0 2px 12px rgba(0,0,0,0.4);
  line-height: 0;
  background: white;
}

.signpdf-canvas-container canvas {
  display: block;
}

#signpdf-overlay-canvas {
  position: absolute;
  top: 0;
  left: 0;
  cursor: crosshair;
}

.signpdf-page-info {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.signpdf-sign-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.6);
}

.signpdf-sign-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  width: 480px;
  max-width: 92vw;
}

.signpdf-sign-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.signpdf-sign-tab {
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  border-bottom: 2px solid transparent;
}

.signpdf-sign-tab.active {
  color: #10b981;
  border-bottom-color: #10b981;
}

.signpdf-font-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  max-height: 140px;
  overflow-y: auto;
  margin-top: 0.5rem;
}

.signpdf-font-option {
  padding: 0.5rem;
  border: 2px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  text-align: center;
  font-size: 1.1rem;
  background: transparent;
  color: var(--text);
  transition: border-color 0.15s;
}

.signpdf-font-option:hover {
  border-color: var(--accent);
}

.signpdf-font-option.selected {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.08);
}

.signpdf-inline-text {
  position: absolute;
  background: transparent;
  border: 2px dashed #3b82f6;
  border-radius: 3px;
  color: inherit;
  font: inherit;
  resize: none;
  outline: none;
  overflow: hidden;
  z-index: 10;
  padding: 2px;
  margin: 0;
}

.signpdf-stamp-popover {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  width: 240px;
}

.signpdf-stamp-option {
  padding: 0.4rem 0.6rem;
  border: 2px solid var(--border);
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 800;
  text-align: center;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: transparent;
}

.signpdf-stamp-option:hover {
  border-color: #10b981;
}

@media (max-width: 900px) {
  .signpdf-toolbar {
    gap: 0.3rem;
    padding: 0.3rem 0.5rem;
  }
  .signpdf-tool-btn {
    width: 32px;
    height: 32px;
  }
  .signpdf-tool-btn svg {
    width: 17px;
    height: 17px;
  }
}