/* ==========================================================================
   Zeon OS - DOCUMENT & PDF VIEWER STYLES
   ========================================================================== */

.docviewer-app {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow: hidden;
}

/* Toolbar */
.docviewer-toolbar {
  height: 48px;
  background: rgba(15, 20, 32, 0.85);
  backdrop-filter: var(--glass-blur);
  border-bottom: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  gap: 10px;
  flex-shrink: 0;
  z-index: 10;
}

.docviewer-btn-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.docviewer-btn {
  background: rgba(255, 255, 255, 0.06);
  border: var(--glass-border-subtle);
  color: var(--text-secondary);
  border-radius: var(--radius-xs);
  padding: 5px 9px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.docviewer-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.docviewer-btn.active {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent);
}

.docviewer-file-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docviewer-file-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.docviewer-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.docviewer-tag.tag-pdf {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

.docviewer-tag.tag-md {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}

.docviewer-tag.tag-doc {
  background: rgba(99, 102, 241, 0.2);
  color: #818cf8;
  border-color: rgba(99, 102, 241, 0.3);
}

.docviewer-loading {
  padding: 28px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.docviewer-unsupported {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.docviewer-unsupported-icon {
  color: var(--accent);
  opacity: 0.75;
  margin-bottom: 10px;
}

.docviewer-unsupported-icon svg {
  width: 46px;
  height: 46px;
}

.docviewer-unsupported-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.docviewer-unsupported p {
  margin: 0 0 8px;
  max-width: 460px;
  font-size: 13px;
  line-height: 1.6;
}

/* Search Box */
.docviewer-search-box {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.3);
  border: var(--glass-border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  gap: 6px;
}

.docviewer-search-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 11.5px;
  width: 110px;
  transition: width 0.2s ease;
}

.docviewer-search-input:focus {
  width: 160px;
}

.docviewer-search-count {
  font-size: 10px;
  color: var(--text-muted);
}

/* Secondary Controls Strip */
.docviewer-subbar {
  height: 36px;
  background: rgba(10, 14, 24, 0.95);
  border-bottom: var(--glass-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 12px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.docviewer-theme-picker {
  display: flex;
  align-items: center;
  gap: 6px;
}

.docviewer-theme-chip {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.docviewer-theme-chip:hover {
  transform: scale(1.15);
}

.docviewer-theme-chip.active {
  border-color: var(--accent);
  transform: scale(1.1);
}

/* Content Area */
.docviewer-stage {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
}

.docviewer-sidebar {
  width: 220px;
  background: rgba(0, 0, 0, 0.25);
  border-right: var(--glass-border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
}

.docviewer-sidebar-title {
  padding: 12px 14px 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.docviewer-toc-item {
  padding: 6px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.12s ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docviewer-toc-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.docviewer-toc-item.active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 500;
}

.docviewer-viewport {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px;
  scroll-behavior: smooth;
  transition: background-color 0.2s ease;
}

/* Document Themes */
.docviewer-viewport.theme-obsidian {
  background: #0f131e;
  color: #e2e8f0;
}

.docviewer-viewport.theme-paper {
  background: #f1f3f5;
  color: #1e293b;
}

.docviewer-viewport.theme-sepia {
  background: #f4ecd8;
  color: #433422;
}

.docviewer-viewport.theme-night {
  background: #030712;
  color: #f9fafb;
}

/* Paper Container */
.docviewer-paper {
  width: 100%;
  max-width: 820px;
  background: var(--bg-surface-elevated);
  border: var(--glass-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border-radius: var(--radius-sm);
  padding: 40px 48px;
  min-height: calc(100% - 20px);
  box-sizing: border-box;
  transform-origin: top center;
  transition: transform 0.15s ease, background 0.2s ease;
}

.docviewer-viewport.theme-paper .docviewer-paper {
  background: #ffffff;
  color: #0f172a;
  border: 1px solid #e2e8f0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.docviewer-viewport.theme-sepia .docviewer-paper {
  background: #fbf5e8;
  color: #382d1f;
  border: 1px solid #ebd9b8;
  box-shadow: 0 10px 30px rgba(78, 59, 32, 0.1);
}

.docviewer-viewport.theme-night .docviewer-paper {
  background: #0b0f19;
  color: #f3f4f6;
  border: 1px solid #1f2937;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

/* Markdown & Rendered Typography */
.docviewer-body h1 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(125, 125, 125, 0.2);
}

.docviewer-body h2 {
  font-size: 19px;
  font-weight: 600;
  margin: 24px 0 12px 0;
}

.docviewer-body h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 18px 0 8px 0;
}

.docviewer-body p {
  line-height: 1.65;
  margin: 0 0 14px 0;
  font-size: 14px;
}

.docviewer-body blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(59, 130, 246, 0.08);
  margin: 14px 0;
  padding: 10px 16px;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  font-style: italic;
}

.docviewer-body ul, .docviewer-body ol {
  margin: 0 0 14px 0;
  padding-left: 24px;
  line-height: 1.6;
  font-size: 14px;
}

.docviewer-body pre {
  background: rgba(0, 0, 0, 0.4);
  padding: 14px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin: 14px 0;
}

.docviewer-body code {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 5px;
  border-radius: 4px;
  background: rgba(125, 125, 125, 0.15);
}

.docviewer-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13px;
}

.docviewer-body th, .docviewer-body td {
  border: 1px solid rgba(125, 125, 125, 0.2);
  padding: 8px 12px;
  text-align: left;
}

.docviewer-body th {
  background: rgba(125, 125, 125, 0.1);
  font-weight: 600;
}

/* PDF Embed View */
.docviewer-pdf-frame {
  width: 100%;
  height: 100%;
  min-height: calc(100vh - 200px);
  border: none;
  background: #ffffff;
  border-radius: var(--radius-xs);
}

.docviewer-highlight {
  background: rgba(251, 191, 36, 0.4);
  color: #000;
  padding: 1px 3px;
  border-radius: 2px;
}

/* Statusbar */
.docviewer-statusbar {
  height: 26px;
  background: rgba(0, 0, 0, 0.35);
  border-top: var(--glass-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Empty State / Welcome Dropzone */
.docviewer-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 40px;
  gap: 16px;
  color: var(--text-secondary);
}

.docviewer-empty-icon {
  width: 64px;
  height: 64px;
  color: var(--accent);
  opacity: 0.8;
  margin-bottom: 8px;
}

.docviewer-dropzone {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 32px 48px;
  cursor: pointer;
  transition: all 0.2s ease;
  background: rgba(255, 255, 255, 0.02);
}

.docviewer-dropzone:hover, .docviewer-dropzone.drag-over {
  border-color: var(--accent);
  background: var(--accent-light);
}

/* ======================================================================
   LIGHT THEME OVERRIDES FOR DOC & PDF VIEWER
   ====================================================================== */
[data-theme="light"] .docviewer-toolbar {
  background: rgba(240, 245, 255, 0.92);
}

[data-theme="light"] .docviewer-btn {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .docviewer-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.18);
}

[data-theme="light"] .docviewer-subbar {
  background: rgba(235, 240, 250, 0.95);
}

[data-theme="light"] .docviewer-sidebar {
  background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .docviewer-toc-item:hover {
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .docviewer-search-box {
  background: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .docviewer-statusbar {
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .docviewer-dropzone {
  border-color: rgba(0, 0, 0, 0.15);
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .docviewer-body pre {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.1);
}

/* ======================================================================
   DARK THEME TEXT / ICON CONTRAST
   ====================================================================== */
[data-theme="dark"] .docviewer-empty-icon,
[data-theme="dark"] .docviewer-unsupported-icon,
[data-theme="dark"] .docviewer-toc-item.active {
  color: var(--text-primary);
}

[data-theme="dark"] .docviewer-btn.active {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .docviewer-theme-chip.active {
  border-color: var(--text-primary);
}

[data-theme="dark"] .docviewer-dropzone:hover,
[data-theme="dark"] .docviewer-dropzone.drag-over {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.06);
}