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

:root {
  --bg-main: #0B0F19;
  --bg-sidebar: rgba(15, 23, 42, 0.85);
  --surface-card: rgba(21, 29, 46, 0.65);
  --surface-card-hover: rgba(30, 41, 64, 0.85);
  --surface-elevated: #151D2E;
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-active: rgba(99, 102, 241, 0.4);

  --accent-indigo: #6366F1;
  --accent-violet: #8B5CF6;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
  --accent-rose: #F43F5E;
  --accent-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --glow-gradient: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);

  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #64748B;

  --sidebar-width: 260px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 25px -5px rgba(99, 102, 241, 0.3);

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Map legacy admin variables */
  --bg-color: var(--bg-main);
  --card-bg: var(--surface-card);
  --border-color: var(--glass-border);
  --text-color: var(--text-primary);
  --text-color-sec: var(--text-secondary);
}

:root[data-theme="light"], html[data-theme="light"], body[data-theme="light"], [data-theme="light"] {
  --bg-main: #F1F5F9;
  --bg-sidebar: rgba(255, 255, 255, 0.95);
  --surface-card: rgba(255, 255, 255, 0.85);
  --surface-card-hover: #FFFFFF;
  --surface-elevated: #FFFFFF;
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-border-active: rgba(99, 102, 241, 0.4);

  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;

  /* Map legacy admin variables */
  --bg-color: var(--bg-main);
  --card-bg: var(--surface-card);
  --border-color: var(--glass-border);
  --text-color: var(--text-primary);
  --text-color-sec: var(--text-secondary);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ambient Background Glow */
.ambient-glow {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: 500px;
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.03) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Left Drawer Sidebar Navigation */
.sidebar-drawer {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: var(--bg-sidebar);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 1rem;
  z-index: 100;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.5rem 1.5rem;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 1.25rem;
}

.brand-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  box-shadow: var(--shadow-glow);
  font-size: 1.2rem;
}

.brand-info h1 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
}

.brand-info span {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-indigo);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Nav Menu Items */
.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.nav-item {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  text-align: left;
  text-decoration: none;
}

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

.nav-item.active {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

/* Footer Section in Sidebar */
.sidebar-footer {
  border-top: 1px solid var(--glass-border);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.theme-toggle-btn {
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

/* Main Content Layout Offset for Sidebar */
.workbench-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 2.25rem 2.5rem;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Header Banner & Welcome */
.welcome-banner {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.05) 100%);
  border: 1px solid var(--glass-border-active);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.welcome-text h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.welcome-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Dashboard Layout */
.dashboard-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 1100px) {
  .dashboard-layout { grid-template-columns: 1fr; }
  .sidebar-drawer { width: 80px; padding: 1rem 0.5rem; }
  .brand-info, .nav-item span, .theme-toggle-btn span:first-child { display: none; }
  .workbench-content { margin-left: 80px; }
}

/* Dropzone Area */
.dropzone-container {
  background: var(--surface-card);
  border: 2px dashed rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  margin-bottom: 2rem;
}

.dropzone-container:hover {
  border-color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.06);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.dropzone-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  background: rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-indigo);
}

/* Document Grid */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.doc-card-modern {
  background: var(--surface-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  transition: all 0.2s ease;
}

.doc-card-modern:hover {
  border-color: var(--accent-indigo);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.doc-icon-badge {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 0.4rem;
}

.progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
}

/* Sidebar Widgets */
.widget-card {
  background: var(--surface-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.widget-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Buttons */
.btn-primary {
  background: var(--accent-gradient);
  color: #FFF;
  border: none;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-glow);
  font-family: var(--font-sans);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* Forms & Inputs */
.form-input {
  width: 100%;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--surface-elevated);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-indigo);
}

/* Tables */
.modern-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.modern-table th {
  padding: 1rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--glass-border);
  font-weight: 600;
}

.modern-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

/* PDF Reader Page Frame */
/* Reader Toolbar Header */
.reader-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

/* Yan Yana (Split View) 2-Page Layout */
.reader-split-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
  width: 100%;
  align-items: stretch;
  height: calc(100vh - 8.5rem);
}

.reader-pane {
  background: var(--surface-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.pane-header {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--glass-border);
}

/* Sol panel: PDF alanı, panele sığar ve kendi içinde kayar */
.original-pane .pane-scroll {
  flex: 1 1 auto;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

#pdf-render-wrapper {
  position: relative;
  margin: 0 auto;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

#pdf-canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

.extracted-text-container {
  font-family: var(--font-sans);
  line-height: 1.85;
  font-size: 1rem;
  color: var(--text-primary);
  padding: 0.75rem 1rem 2rem;
  word-break: break-word;
  user-select: text;
  flex: 1 1 auto;
  overflow-y: auto;
  min-height: 0;
}

/* Continuous Clean Typography (No Box Shapes) */
.extracted-block {
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  text-align: justify;
}

.extracted-heading {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--glass-border);
  letter-spacing: -0.02em;
}

.extracted-subheading {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-indigo);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.word {
  color: var(--text-primary) !important;
  cursor: pointer;
  border-bottom: 1.5px dashed rgba(99, 102, 241, 0.7);
  padding-bottom: 1px;
  transition: all 0.15s ease;
  user-select: text;
  display: inline;
  font-weight: 500;
}

[data-underline="off"] .word {
  border-bottom: none !important;
}

[data-translation="false"] .word {
  border-bottom: none !important;
  cursor: text;
}

.word:hover {
  background: rgba(99, 102, 241, 0.25);
  color: #818CF8 !important;
  border-bottom-style: solid;
  border-bottom-color: var(--accent-indigo);
  border-radius: 3px;
}

.word.selected {
  background: rgba(99, 102, 241, 0.35);
  color: #FFF !important;
  border-bottom-style: solid;
  border-bottom-color: var(--accent-indigo);
  border-radius: 3px;
}

@media (max-width: 1024px) {
  .reader-split-container {
    grid-template-columns: 1fr;
    height: auto;
  }
  .reader-pane {
    height: 70vh;
  }
}


.paper-page {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  margin: 1.5rem auto;
  position: relative;
  overflow: hidden;
  display: inline-block;
}

/* PDF.js Text Layer & Transparent Overlay */
.text-layer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  opacity: 1;
  line-height: 1;
  pointer-events: auto;
}

.text-line {
  position: absolute;
  white-space: pre;
  cursor: text;
  transform-origin: 0% 0%;
  color: transparent !important;
  line-height: 1;
}

/* PDF text-layer içindeki kelimeler görünmez olmalı (canvas üstünde overlay) */
.text-layer .word {
  color: transparent !important;
  cursor: text;
  border-bottom: none;
  user-select: text;
  display: inline;
}

/* Modern Theme-Adaptive Translation Popup Modal */
.translation-popup {
  position: absolute;
  width: 360px;
  max-height: 70vh;
  overflow-y: auto;
  background: var(--surface-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--text-primary);
  border: 1px solid var(--glass-border-active);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.2);
  z-index: 10000;
  display: none;
  font-family: var(--font-sans);
}

.translation-popup.visible {
  display: block;
  animation: popupFadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes popupFadeIn {
  from { opacity: 0; transform: scale(0.96) translateY(-4px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--glass-border);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.popup-root-info {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-indigo);
  margin-left: 0.3rem;
}

.popup-close {
  background: var(--surface-elevated);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1.1rem;
  line-height: 1;
}

.popup-close:hover {
  background: rgba(244, 63, 94, 0.2);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.4);
}

.popup-loading {
  padding: 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Meaning List */
.popup-meanings {
  margin-top: 0.75rem;
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.popup-meaning-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
  border: 1px solid var(--glass-border);
}

.popup-meaning-word {
  font-weight: 700;
  color: var(--text-primary);
}

.popup-meaning-meta {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.15);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.popup-more-btn {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--accent-indigo);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 0.5rem;
  width: 100%;
  text-align: center;
  font-family: var(--font-sans);
}

.popup-more-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--accent-indigo);
}

.popup-divider {
  border: none;
  border-top: 1px solid var(--glass-border);
  margin: 0.85rem 0;
}

.popup-example {
  font-size: 0.825rem;
  font-style: italic;
  color: var(--text-secondary);
  background: var(--surface-elevated);
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--accent-indigo);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 0.5rem;
  line-height: 1.5;
}

/* Feedback & Inputs Inside Popup */
.popup-feedback {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.popup-feedback a {
  color: var(--accent-amber);
  font-weight: 600;
  text-decoration: none;
}

.popup-feedback a:hover {
  text-decoration: underline;
}

.popup-feedback-form {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.popup-feedback-form label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.popup-input {
  width: 100%;
  background: var(--surface-elevated);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.75rem;
  font-size: 0.825rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.2s ease;
}

.popup-input:focus {
  border-color: var(--accent-indigo);
}

select.popup-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.popup-btn {
  background: var(--accent-gradient);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem;
  font-size: 0.825rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-glow);
  font-family: var(--font-sans);
}

.popup-btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

/* Admin Layout Protection & Premium Styling */
.admin-layout {
  display: flex !important; /* Visible by default, validated asynchronously in admin.js */
  gap: 2rem;
  margin-top: 1.5rem;
  align-items: stretch;
  width: 100%;
}

/* navbar */
.navbar {
  background: var(--bg-sidebar);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.85rem 2rem;
  position: sticky;
  top: 0;
  z-index: 999;
}
.navbar-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navbar-content .logo {
  font-size: 1.35rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.02em;
}
.navbar-content .logo span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--accent-indigo);
  border-radius: var(--radius-sm);
}
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* sidebar-panel */
.sidebar-panel .card {
  background: var(--surface-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.5rem !important;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1.2rem !important;
  color: var(--text-secondary) !important;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  margin: 0.25rem 0.5rem;
}

.admin-nav-item:hover {
  background: rgba(99, 102, 241, 0.08);
  color: var(--accent-indigo) !important;
  transform: translateX(4px);
}

.admin-nav-item.active {
  background: var(--accent-gradient) !important;
  color: #FFFFFF !important;
  box-shadow: var(--shadow-glow);
}

/* Inputs and Forms in Admin */
#dict-search-input, .popup-input, select, input[type="text"], input[type="password"], input[type="email"] {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.65rem 1.2rem !important;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: all 0.2s ease;
}

#dict-search-input:focus, .popup-input:focus, select:focus, input[type="text"]:focus, input[type="password"]:focus, input[type="email"]:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
  background: rgba(255, 255, 255, 0.08);
}

/* Tab Buttons */
.tab-buttons {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.5rem 1.2rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.tab-btn.active {
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-indigo);
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.2);
}

/* Card overrides for admin */
.admin-layout main .card {
  background: var(--surface-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem !important;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
}

/* Admin Results List */
#dict-results-container > div, #feedback-list-container > div {
  background: rgba(255, 255, 255, 0.02) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-md) !important;
  padding: 1.25rem !important;
  margin-bottom: 1rem !important;
  transition: all 0.2s ease;
}

#dict-results-container > div:hover, #feedback-list-container > div:hover {
  border-color: var(--glass-border-active) !important;
  background: rgba(255, 255, 255, 0.04) !important;
}

/* Approve / Delete buttons styling */
.btn-outline.btn-sm {
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.75rem !important;
  font-size: 0.8rem !important;
  font-weight: 600;
  transition: all 0.2s ease;
}
.btn-outline.btn-sm:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* Theme Toggle Button Icons */
[data-theme="light"] .navbar #theme-toggle .sun-icon {
  display: none;
}
[data-theme="light"] .navbar #theme-toggle .moon-icon {
  display: block;
}
[data-theme="dark"] .navbar #theme-toggle .sun-icon {
  display: block;
}
[data-theme="dark"] .navbar #theme-toggle .moon-icon {
  display: none;
}

/* Generic Table Styling for Admin Panel */
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}
table th {
  padding: 1rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--glass-border);
  font-weight: 700;
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
table td {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-weight: 500;
}
table tr:hover td {
  background: rgba(255, 255, 255, 0.015);
  color: var(--text-primary);
}

/* Button Reset & Helpers */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn-danger {
  background: rgba(244, 63, 94, 0.12);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.25);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}
.btn-danger:hover {
  background: rgba(244, 63, 94, 0.22);
}

.btn-sm {
  padding: 0.4rem 0.8rem !important;
  font-size: 0.775rem !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 700 !important;
}

/* Dashboard Title Row Spacing Standard */
.dashboard-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}
.dashboard-title-row h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}
.dashboard-title-row p {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  margin: 0;
}

/* Dictionary Management UI Styling */
.dict-item-card {
  background: var(--surface-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem !important;
  margin-bottom: 1.5rem !important;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  backdrop-filter: blur(16px);
}

.dict-item-card:hover {
  border-color: var(--glass-border-active);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

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

.dict-word-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lookup-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-indigo);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.meanings-list {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.1);
  border: 1px solid var(--glass-border);
}

.meaning-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.2s ease;
  gap: 1rem;
}

.meaning-row:last-child {
  border-bottom: none;
}

.meaning-row:hover {
  background: rgba(255, 255, 255, 0.02);
}

.meaning-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.meaning-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.meaning-badge-domain {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.08);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.meaning-badge-type {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: lowercase;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.08);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.15);
}

.meaning-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
}

/* Mobile Responsive Styling (Under 768px) */
@media (max-width: 768px) {
  /* Convert vertical sidebar to mobile bottom navigation bar */
  .sidebar-drawer {
    position: fixed !important;
    bottom: 0 !important;
    top: auto !important;
    left: 0 !important;
    width: 100% !important;
    height: 62px !important;
    flex-direction: row !important;
    justify-content: space-around !important;
    align-items: center !important;
    padding: 0 !important;
    margin: 0 !important;
    border-right: none !important;
    border-top: 1px solid var(--glass-border) !important;
    border-radius: 0 !important;
    z-index: 10000 !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15) !important;
    backdrop-filter: blur(20px) !important;
  }

  /* Hide headers and footers inside mobile bottom navbar */
  .sidebar-drawer > div:first-child > div:first-child,
  .sidebar-drawer .brand-section,
  .sidebar-drawer .brand-info,
  .sidebar-drawer .sidebar-footer {
    display: none !important;
  }

  /* Expand menu container to fill bottom bar */
  .sidebar-drawer > div:first-child,
  .sidebar-drawer .nav-menu {
    display: flex !important;
    flex-direction: row !important;
    width: 100% !important;
    height: 100% !important;
    justify-content: space-around !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    gap: 0 !important;
  }

  /* Style mobile bottom navigation items */
  .sidebar-drawer .nav-item,
  .sidebar-drawer .admin-nav-item {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    gap: 0.25rem !important;
    padding: 0.4rem 0 !important;
    text-align: center !important;
    width: 25% !important;
    height: 100% !important;
    margin: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    border-left: none !important;
  }

  .sidebar-drawer .nav-item span,
  .sidebar-drawer .admin-nav-item span {
    display: block !important;
    font-size: 0.65rem !important;
  }

  .sidebar-drawer .nav-item svg,
  .sidebar-drawer .admin-nav-item svg {
    margin: 0 !important;
    width: 20px !important;
    height: 20px !important;
  }

  .sidebar-drawer .nav-item.active,
  .sidebar-drawer .admin-nav-item.active {
    color: var(--accent-indigo) !important;
  }

  /* Shift main workbench-content up so bottom bar doesn't overlay it */
  .workbench-content {
    margin-left: 0 !important;
    margin-bottom: 72px !important;
    padding: 1rem !important;
    width: 100% !important;
  }

  /* Adjust page welcome banners and title rows for small screens */
  .welcome-banner {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 1rem !important;
    padding: 1.25rem !important;
    text-align: left !important;
  }

  .dashboard-title-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.5rem !important;
  }

  /* Flex stack for layout components */
  .admin-layout {
    flex-direction: column !important;
    margin-left: 0 !important;
    margin-top: 0.5rem !important;
    gap: 1rem !important;
  }

  .admin-layout main {
    width: 100% !important;
  }

  /* General Table Responsiveness - Enable horizontal scrolling inside cards */
  table {
    display: block !important;
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  /* Input zoom protection on mobile browsers (fonts < 16px trigger iOS auto-zoom) */
  input, select, textarea {
    font-size: 16px !important;
  }

  /* Shrink dropzone container padding */
  .dropzone-container {
    padding: 2rem 1rem !important;
  }

  /* Split Pane Reader layout for mobile - Stack view & translation pane nicely */
  .reader-split-container {
    display: flex !important;
    flex-direction: column !important;
    height: calc(100vh - 62px) !important;
    overflow: hidden !important;
  }

  .reader-pane {
    flex: 1.2 !important;
    height: auto !important;
    overflow-y: auto !important;
  }

  .dictionary-pane {
    flex: 0.8 !important;
    height: auto !important;
    overflow-y: auto !important;
    border-left: none !important;
    border-top: 1px solid var(--glass-border) !important;
  }

  /* Shrink map size on mobile */
  #map {
    height: 280px !important;
  }

  /* modern doc-cards margin */
  .doc-card-modern {
    padding: 1rem !important;
  }
}