:root,
html[data-theme="devil"] {
  --bg: #0a0b10;
  --bg-2: #121521;
  --surface: rgba(17, 20, 31, 0.88);
  --surface-2: rgba(23, 27, 41, 0.88);
  --surface-3: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.09);
  --text: #f8fafc;
  --muted: #a4b0c2;
  --title: #ffffff;
  --accent: #ef4444;
  --accent-2: #f97316;
  --accent-soft: rgba(239, 68, 68, 0.18);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #f87171;
  --shadow: 0 22px 64px rgba(0, 0, 0, 0.34);
  --card-radius: 26px;
  --control-radius: 16px;
  --paper: #ffffff;
  --paper-text: #1f2937;
}

html[data-theme="midnight"] {
  --bg: #06101d;
  --bg-2: #0b1728;
  --surface: rgba(11, 23, 40, 0.88);
  --surface-2: rgba(14, 32, 56, 0.9);
  --surface-3: rgba(255, 255, 255, 0.05);
  --border: rgba(148, 163, 184, 0.14);
  --text: #e6eef9;
  --muted: #96a7c3;
  --title: #f8fbff;
  --accent: #38bdf8;
  --accent-2: #6366f1;
  --accent-soft: rgba(56, 189, 248, 0.16);
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #fb7185;
  --shadow: 0 22px 64px rgba(0, 7, 20, 0.42);
  --paper: #ffffff;
  --paper-text: #1e293b;
}

html[data-theme="emerald"] {
  --bg: #071610;
  --bg-2: #0d1f18;
  --surface: rgba(10, 24, 19, 0.88);
  --surface-2: rgba(15, 34, 26, 0.92);
  --surface-3: rgba(255, 255, 255, 0.05);
  --border: rgba(167, 243, 208, 0.12);
  --text: #f0fdf4;
  --muted: #9ab9ab;
  --title: #f7fff9;
  --accent: #10b981;
  --accent-2: #34d399;
  --accent-soft: rgba(16, 185, 129, 0.16);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #fb7185;
  --shadow: 0 22px 64px rgba(0, 0, 0, 0.36);
  --paper: #ffffff;
  --paper-text: #1f2937;
}

html[data-theme="royal"] {
  --bg: #0f1025;
  --bg-2: #171a39;
  --surface: rgba(20, 23, 51, 0.9);
  --surface-2: rgba(28, 34, 70, 0.92);
  --surface-3: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
  --text: #eef2ff;
  --muted: #b4bce5;
  --title: #ffffff;
  --accent: #8b5cf6;
  --accent-2: #3b82f6;
  --accent-soft: rgba(139, 92, 246, 0.18);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #fb7185;
  --shadow: 0 24px 64px rgba(5, 8, 20, 0.44);
  --paper: #ffffff;
  --paper-text: #1f2937;
}

html[data-theme="ivory"] {
  --bg: #eef2f6;
  --bg-2: #f8fafc;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-2: rgba(248, 250, 252, 0.96);
  --surface-3: rgba(15, 23, 42, 0.03);
  --border: rgba(15, 23, 42, 0.08);
  --text: #0f172a;
  --muted: #5b6475;
  --title: #111827;
  --accent: #dc2626;
  --accent-2: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.1);
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --shadow: 0 22px 64px rgba(15, 23, 42, 0.12);
  --paper: #ffffff;
  --paper-text: #111827;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 24%, transparent) 0, transparent 28%),
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent-2) 22%, transparent) 0, transparent 28%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 92%);
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  width: min(1460px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 38px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.card-muted,
.info-card,
.dashboard-notes {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: calc(var(--card-radius) - 8px);
}

.app-header {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.92fr);
  gap: 20px;
  padding: 24px;
}

.hero-copy,
.hero-side,
.panel,
.sidebar,
.footer {
  min-width: 0;
}

.eyebrow-row,
.hero-actions,
.hero-points,
.button-row,
.wrap-row,
.toolbar-row,
.footer-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.badge,
.feature-badge,
.panel-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: 1px solid var(--border);
  background: var(--surface-3);
  color: var(--text);
}

.badge-solid {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border-color: transparent;
}

.hero-copy h1 {
  margin: 14px 0 10px;
  font-size: clamp(2.5rem, 4.2vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  color: var(--title);
}

.hero-copy .lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.72;
  max-width: 66ch;
}

.hero-card {
  padding: 22px;
  height: 100%;
}

.hero-card h2,
.panel-head h2,
.sidebar-head h2,
.footer h3,
.feature-card h3 {
  margin: 0;
  color: var(--title);
}

.hero-card p,
.sidebar-head p,
.panel-head p,
.feature-card p,
.info-card p,
.footer p,
.dashboard-notes p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.hero-points {
  margin-top: 18px;
}

.hero-points span,
.stat-card,
.tool-button,
.feature-card,
.info-card,
.page-chip,
.image-chip,
.preview-card,
.organizer-item,
.panel-note {
  background: var(--surface-3);
  border: 1px solid var(--border);
}

.hero-points span {
  padding: 10px 13px;
  border-radius: 999px;
  font-size: 0.92rem;
}

.top-controls,
.control-grid {
  display: grid;
  gap: 14px;
}

.top-controls {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.stat-card {
  border-radius: 18px;
  padding: 16px;
  display: grid;
  gap: 6px;
}

.stat-card strong {
  font-size: 1.8rem;
  line-height: 1;
  color: var(--title);
}

.stat-card span,
.muted,
.compact-note,
.file-summary,
.status,
label span,
.footer-link,
.tool-hint,
.organizer-meta,
.image-meta,
.page-chip small,
.inline-note-grid p,
.nav-title {
  color: var(--muted);
}

.compact-note {
  margin-top: 16px;
}

.workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}

.sidebar {
  padding: 18px;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow: auto;
}

.sidebar-head {
  display: grid;
  gap: 8px;
  padding-bottom: 18px;
}

.nav-group {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.nav-group:first-of-type {
  border-top: none;
  padding-top: 0;
}

.nav-title {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.tool-button {
  appearance: none;
  border-radius: 18px;
  padding: 14px 15px;
  text-align: left;
  cursor: pointer;
  display: grid;
  gap: 5px;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.tool-button:hover,
.tool-button:focus-visible,
.btn:hover,
.btn:focus-visible,
.feature-card:hover,
.feature-card:focus-within,
.page-chip:hover,
.page-chip:focus-visible,
.organizer-action:hover,
.organizer-action:focus-visible,
.image-chip button:hover,
.image-chip button:focus-visible,
.footer-link:hover,
.footer-link:focus-visible {
  transform: translateY(-1px);
}

.tool-button.is-active {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, transparent), color-mix(in srgb, var(--accent-2) 16%, transparent));
  border-color: color-mix(in srgb, var(--accent) 48%, var(--border));
}

.tool-name {
  font-weight: 700;
  color: var(--title);
}

.main-stack {
  min-width: 0;
}

.panel {
  display: none;
  padding: 24px;
}

.panel.is-active {
  display: grid;
  gap: 16px;
}

.panel-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
}

.panel-head h2 {
  font-size: clamp(1.6rem, 2vw, 2.2rem);
  margin-top: 8px;
  margin-bottom: 8px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.feature-card {
  border-radius: 22px;
  padding: 18px;
  display: grid;
  gap: 12px;
}

.feature-top {
  display: grid;
  gap: 8px;
}

.btn {
  appearance: none;
  border: none;
  border-radius: 14px;
  padding: 13px 18px;
  font-weight: 700;
  font-size: 0.96rem;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.btn-secondary {
  color: var(--text);
  background: var(--surface-3);
  border: 1px solid var(--border);
}

.btn-full {
  width: 100%;
}

.align-end {
  align-items: end;
}

.button-stack {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.control-grid.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.control-grid.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.control-grid.four-up {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.93rem;
}

input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--control-radius);
  background: var(--surface-3);
  color: var(--text);
  padding: 13px 14px;
  outline: none;
  transition: border-color 0.18s ease, background 0.18s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 48%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 22%, var(--surface-3));
}

textarea {
  resize: vertical;
}

.text-output {
  min-height: 260px;
  line-height: 1.55;
}

.small-output {
  min-height: 180px;
}

.inline-checkbox {
  align-content: end;
  display: flex;
  gap: 10px;
  align-items: center;
  padding-bottom: 3px;
}

.dropzone {
  position: relative;
  display: grid;
  place-items: center;
  gap: 6px;
  min-height: 156px;
  padding: 24px;
  border-radius: 22px;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 35%, var(--border));
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent-soft) 32%, transparent), var(--surface-3));
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.compact-drop {
  min-height: 120px;
}

.dropzone:hover,
.dropzone:focus-within,
.dropzone.is-dragover {
  border-color: color-mix(in srgb, var(--accent) 72%, var(--border));
  transform: translateY(-1px);
}

.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.dropzone-title {
  font-weight: 700;
  color: var(--title);
}

.preview-grid,
.organizer-grid,
.image-sort-grid,
.page-strip {
  display: grid;
  gap: 12px;
}

.preview-grid,
.organizer-grid,
.image-sort-grid {
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.preview-card,
.organizer-item,
.image-chip,
.page-chip,
.info-card,
.dashboard-notes {
  border-radius: 18px;
}

.preview-card,
.page-chip {
  overflow: hidden;
}

.preview-card img,
.organizer-thumb,
.image-chip img,
.page-chip img {
  display: block;
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
}

.preview-card img,
.organizer-thumb,
.page-chip img {
  aspect-ratio: 4 / 5;
  object-fit: contain;
}

.preview-card-body,
.organizer-details,
.image-chip-body,
.page-chip-body,
.info-card,
.dashboard-notes,
.paper-preview,
.footer,
.inline-note-grid {
  padding: 14px;
}

.preview-card-body {
  display: grid;
  gap: 6px;
}

.preview-card-title,
.organizer-name,
.image-name,
.page-chip strong,
.info-card strong {
  margin: 0;
  font-weight: 700;
  color: var(--title);
}

.file-summary,
.status {
  min-height: 22px;
}

.status.is-success {
  color: var(--success);
}

.status.is-warning {
  color: var(--warning);
}

.status.is-error {
  color: var(--danger);
}

.toolbar-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.organizer-item,
.image-chip,
.page-chip {
  overflow: hidden;
}

.organizer-item.is-removed {
  opacity: 0.42;
  filter: saturate(0.25);
}

.organizer-details,
.image-chip-body,
.page-chip-body {
  display: grid;
  gap: 8px;
}

.organizer-actions,
.image-chip-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.organizer-action,
.image-chip button,
.page-chip {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface-3);
  color: var(--text);
  cursor: pointer;
}

.organizer-action,
.image-chip button {
  border-radius: 12px;
  padding: 9px 10px;
}

.page-chip {
  width: 100%;
  padding: 0;
  text-align: left;
}

.page-chip.is-active {
  border-color: color-mix(in srgb, var(--accent) 48%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 28%, transparent) inset;
}

.studio-toolbar {
  display: grid;
  gap: 12px;
}

.studio-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.page-strip {
  max-height: 78vh;
  overflow: auto;
}

.studio-canvas-card {
  display: grid;
  gap: 12px;
}

.studio-canvas-wrap {
  overflow: auto;
  border-radius: 22px;
  padding: 16px;
  background: linear-gradient(180deg, var(--surface-3), color-mix(in srgb, var(--accent-soft) 12%, transparent));
  border: 1px solid var(--border);
}

.studio-canvas-wrap canvas {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.18);
}

.studio-footer-row {
  align-items: center;
}

.paper-preview-wrap {
  border-radius: 22px;
  padding: 14px;
  background: linear-gradient(180deg, var(--surface-3), color-mix(in srgb, var(--accent-soft) 10%, transparent));
  border: 1px solid var(--border);
}

.paper-preview {
  min-height: 420px;
  background: var(--paper);
  color: var(--paper-text);
  border-radius: 16px;
  overflow: auto;
}

.paper-preview .preview-sheet,
.paper-preview .preview-slide,
.paper-preview .preview-page {
  width: min(100%, 794px);
  margin: 0 auto 18px;
  background: var(--paper);
  color: var(--paper-text);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  padding: 26px;
}

.paper-preview .preview-sheet:last-child,
.paper-preview .preview-slide:last-child,
.paper-preview .preview-page:last-child {
  margin-bottom: 0;
}

.paper-preview h1,
.paper-preview h2,
.paper-preview h3,
.paper-preview h4,
.paper-preview h5 {
  color: #111827;
}

.paper-preview table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.paper-preview table th,
.paper-preview table td {
  border: 1px solid rgba(31, 41, 55, 0.14);
  padding: 8px 10px;
}

.paper-preview table th {
  background: rgba(15, 23, 42, 0.04);
}

.mode-stack {
  display: grid;
  gap: 12px;
}

.mode-pane {
  display: none;
  gap: 12px;
}

.mode-pane.is-active {
  display: grid;
}

.inline-note-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.info-card {
  display: grid;
  gap: 8px;
}

.footer {
  margin-top: 18px;
  padding: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-link {
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .nav-group {
    grid-auto-flow: row;
  }
}

@media (max-width: 980px) {
  .app-header {
    grid-template-columns: 1fr;
  }

  .top-controls,
  .stats-grid,
  .control-grid.three-up,
  .control-grid.four-up,
  .inline-note-grid,
  .studio-shell {
    grid-template-columns: 1fr 1fr;
  }

  .control-grid.two-up {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 16px, 1460px);
    padding-top: 12px;
  }

  .panel,
  .app-header,
  .sidebar,
  .footer {
    padding: 16px;
  }

  .hero-copy h1 {
    font-size: 2.35rem;
  }

  .top-controls,
  .stats-grid,
  .control-grid.three-up,
  .control-grid.four-up,
  .inline-note-grid,
  .studio-shell,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .toolbar-row,
  .hero-actions,
  .button-row,
  .wrap-row,
  .footer-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button-stack {
    flex-direction: column;
  }

  .page-strip {
    max-height: 280px;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .paper-preview .preview-sheet,
  .paper-preview .preview-slide,
  .paper-preview .preview-page {
    padding: 18px;
  }
}