/* ==========================================================================
   PIHU TOOLS - PDF MERGE & PAGE ORGANIZER PRO STYLESHEET
   Unified Studio Architecture matching pdf-tools.html (.pdf-studio-theme)
   ========================================================================== */

/* Source Files List Chips */
.pdf-studio-theme.organizer-page .gov-header {
  display:block;position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid #fed7aa;
}
.organizer-page .gov-header-inner {
  display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;
  max-width:none;margin:0 auto;padding:12px 16px;min-height:62px;
}
.organizer-page .gov-brand,
.organizer-page .gov-header-nav>a:not(:first-child),
.organizer-page .gov-tools-dropdown,
.organizer-page .gov-offline-badge,
.organizer-page .theme-toggle-btn {display:none;}
.organizer-page .gov-header-nav {display:flex;flex:0 1 auto;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;}
.organizer-page .organizer-upload {cursor:pointer;margin:0;}
.organizer-page .header-actions {justify-content:center;flex-wrap:wrap;}
.organizer-page #btnHeaderExport {background:#10b981;border-color:#10b981;color:#fff;}
.pdf-studio-theme.organizer-page .sidebar-tools-panel {top:calc(var(--organizer-header-height,62px) + 12px);max-height:calc(100dvh - var(--organizer-header-height,62px) - 32px);}
@media(max-width:600px){
  .organizer-page .gov-header-inner {gap:6px;padding:8px;}
  .organizer-page .gov-header-nav {gap:6px;}
  .organizer-page .gov-header .btn {font-size:11px;padding:7px 9px;}
}

.source-files-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
  max-height: 180px;
  overflow-y: auto;
  padding-right: 2px;
}

.source-files-wrap::-webkit-scrollbar {
  width: 4px;
}

.source-files-wrap::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.source-file-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 0.74rem;
  font-weight: 600;
  transition: border-color 0.15s ease;
}

[data-theme="dark"] .source-file-chip {
  background: #1e293b;
  border-color: #334155;
  color: #f8fafc;
}

.source-file-chip:hover {
  border-color: #ea580c;
}

.source-file-tag {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Sidebar Stats & Form Fields */
.organizer-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: #f8fafc;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #fed7aa;
  text-align: center;
  margin-bottom: 10px;
}

[data-theme="dark"] .organizer-stats-grid {
  background: #0f172a;
  border-color: #334155;
}

.organizer-stat-item span {
  display: block;
  font-size: 0.64rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 2px;
}

.organizer-stat-item b {
  font-size: 0.88rem;
  font-weight: 800;
  color: #0f172a;
}

[data-theme="dark"] .organizer-stat-item b {
  color: #f8fafc;
}

.organizer-field {
  margin-bottom: 10px;
}

.organizer-field label {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  color: #1f2d48;
  margin-bottom: 4px;
}

[data-theme="dark"] .organizer-field label {
  color: #fed7aa;
}

.organizer-input {
  width: 100%;
  padding: 7px 10px;
  font-size: 0.8rem;
  font-family: inherit;
  font-weight: 600;
  color: #1e293b;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
}

[data-theme="dark"] .organizer-input {
  background: #0f172a;
  border-color: #334155;
  color: #f8fafc;
}

.organizer-input:focus {
  border-color: #ea580c;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.gov-status-box {
  font-size: 0.76rem;
  font-weight: 600;
  color: #334155;
  padding: 8px 10px;
  border-radius: 6px;
  background: #f8fafc;
  border: 1px solid #fed7aa;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  word-break: break-word;
}

[data-theme="dark"] .gov-status-box {
  background: #0f172a;
  border-color: #334155;
  color: #cbd5e1;
}

.gov-status-box.success {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #15803d;
}

.gov-status-box.warning {
  background: #fffbeb;
  border-color: #fde68a;
  color: #b45309;
}

.gov-status-box.error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #dc2626;
}

.gov-progress-wrap {
  margin-bottom: 10px;
}

.gov-progress-bar {
  width: 100%;
  height: 6px;
  border-radius: 4px;
  background: #fed7aa;
  overflow: hidden;
  appearance: none;
  border: none;
}

.gov-progress-bar::-webkit-progress-bar {
  background: #fed7aa;
}

.gov-progress-bar::-webkit-progress-value {
  background: linear-gradient(90deg, #ea580c 0%, #16a34a 100%);
}

/* ==========================================================================
   STAGE MAIN & ACTIVE WORKSPACE (.has-pages)
   ========================================================================== */
.gov-stage-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
  background: #e2e5e9;
  overflow-y: auto;
  box-sizing: border-box;
}

[data-theme="dark"] .gov-stage-main {
  background: #0b1120;
}

.gov-stage-main.has-pages {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 14px;
  align-items: start;
  padding: 14px;
  box-sizing: border-box;
}

.gov-stage-main.has-pages #cardPageOrganizerGrid {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  background: #ffffff;
  border: 1px solid #d9dde2;
  border-radius: 6px;
  padding: 14px;
  box-sizing: border-box;
}

[data-theme="dark"] .gov-stage-main.has-pages #cardPageOrganizerGrid {
  background: #1e293b;
  border-color: #334155;
}

.gov-stage-main.has-pages #cardLivePreviewStage {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  margin-top: 0 !important;
  position: sticky;
  top: 14px;
  align-self: start;
  background: #ffffff;
  border: 1px solid #d9dde2;
  border-radius: 6px;
  padding: 14px;
  box-sizing: border-box;
}

[data-theme="dark"] .gov-stage-main.has-pages #cardLivePreviewStage {
  background: #1e293b;
  border-color: #334155;
}

/* Page Organizer Toolbar */
.organizer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid #fed7aa;
}

[data-theme="dark"] .organizer-toolbar {
  border-bottom-color: #334155;
}

.organizer-bulk-actions {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

/* Sortable Page Cards Grid */
.organizer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  min-height: 200px;
  padding: 2px;
}

/* Individual Page Card */
.page-organizer-card {
  background: #ffffff;
  border: 1.5px solid #d9dde2;
  border-radius: 6px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  cursor: grab;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
}

[data-theme="dark"] .page-organizer-card {
  background: #1e293b;
  border-color: #334155;
}

.page-organizer-card:hover {
  border-color: #ea580c;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.12);
}

.page-organizer-card.selected {
  border-color: #ea580c;
  background: #fff7ed;
  box-shadow: 0 0 0 1px #ea580c;
}

[data-theme="dark"] .page-organizer-card.selected {
  background: rgba(37, 99, 235, 0.15);
}

.page-organizer-card.active-preview {
  border-color: #ea580c;
  box-shadow: 0 0 0 2.5px #ea580c;
}

.page-organizer-card.dragging {
  opacity: 0.35;
  cursor: grabbing;
  border-style: dashed;
  border-color: #ea580c;
}

.page-organizer-card.drag-over {
  border-color: #ea580c;
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.35);
  transform: scale(1.03);
}

.card-top-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.card-select-chk {
  width: 16px;
  height: 16px;
  accent-color: #ea580c;
  cursor: pointer;
}

.card-file-tag {
  font-size: 0.64rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  color: #ffffff;
  max-width: 95px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-thumb-wrap {
  width: 100%;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border-radius: 4px;
  border: 1px solid #fed7aa;
  overflow: hidden;
  margin-bottom: 6px;
  padding: 4px;
}

[data-theme="dark"] .card-thumb-wrap {
  background: #0f172a;
  border-color: #334155;
}

.card-thumb-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.2s ease;
  border-radius: 2px;
}

.card-bottom-info {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
}

[data-theme="dark"] .card-bottom-info {
  color: #f8fafc;
}

.card-tools-strip {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: #f1f5f9;
  padding: 3px;
  border-radius: 4px;
  border: 1px solid #fed7aa;
}

[data-theme="dark"] .card-tools-strip {
  background: #0f172a;
  border-color: #334155;
}

.card-tool-btn {
  width: 24px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: #ffffff;
  border-radius: 3px;
  color: #0f172a;
  font-size: 0.72rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

[data-theme="dark"] .card-tool-btn {
  background: #1e293b;
  color: #cbd5e1;
}

.card-tool-btn:hover {
  background: #0f172a;
  color: #ffffff;
}

.card-tool-btn.btn-del:hover {
  background: #dc2626;
  color: #ffffff;
}

/* High-Res Interactive Live Preview Card */
.pdf-live-stage {
  background: #0f172a;
  border-radius: 6px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pdf-stage-toolbar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  flex-wrap: wrap;
  gap: 6px;
  color: #ffffff;
}

.pdf-stage-canvas-wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  max-height: calc(100vh - 300px);
  min-height: 350px;
  padding: 10px;
  background: #1e293b;
  border-radius: 4px;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
}

#livePreviewCanvas {
  max-width: 100%;
  height: auto;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  border-radius: 3px;
  background: #ffffff;
}

/* Floating Toast */
.gov-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.95);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  transform: translateY(100px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.gov-toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Responsive: stack cleanly on <= 1180px so preview is at top, NOT buried at bottom */
@media (max-width: 1180px) {
  .gov-stage-main.has-pages {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .gov-stage-main.has-pages #cardLivePreviewStage {
    position: static;
    width: 100%;
    order: -1; /* Placed right at top of stack */
    margin-bottom: 0;
  }
  .gov-stage-main.has-pages #cardPageOrganizerGrid {
    width: 100%;
    order: 1;
  }
}

@media (max-width: 760px) {
  .organizer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
}