/**
 * Utility Seva — Word Counter Stylesheet
 * Strict Compact UI Layout (< 768px desktop screen height compliance)
 * Fully responsive across desktop, tablet, and mobile with Dark Mode support
 */

:root {
  --primary-color: #0d9488;
  --primary-hover: #0f766e;
  --primary-light: #f0fdfa;
  --primary-glow: rgba(13, 148, 136, 0.25);
  --success-color: #10b981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning-color: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --danger-color: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
}

html[data-theme="dark"],
body.dark {
  --primary-color: #2dd4bf;
  --primary-hover: #14b8a6;
  --primary-light: rgba(45, 212, 191, 0.15);
  --primary-glow: rgba(45, 212, 191, 0.35);
  --success-color: #34d399;
  --success-bg: rgba(52, 211, 153, 0.18);
  --warning-color: #fbbf24;
  --warning-bg: rgba(251, 191, 36, 0.18);
  --danger-color: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.18);
}

/* ==========================================================================
   1. Header & Navigation (Utility Seva Standard Header Integration)
   ========================================================================== */
.site-header .nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.site-header .theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
  background-color: var(--bg-surface, #ffffff);
  color: var(--text-secondary, #64748b);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition: all var(--transition-fast, 0.15s ease);
  position: relative;
  overflow: hidden;
}

.site-header .theme-toggle-btn:hover {
  background-color: var(--bg-surface-alt, #f8fafc);
  color: var(--text-primary, #0f172a);
  border-color: var(--border-color-hover, #cbd5e1);
}

.site-header .theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
  margin: auto;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform var(--transition-fast, 0.15s ease);
}

.site-header .theme-toggle-btn .sun-icon {
  display: none;
}

.site-header .theme-toggle-btn .moon-icon {
  display: block;
}

html[data-theme="dark"] .site-header .theme-toggle-btn .sun-icon,
body.dark .site-header .theme-toggle-btn .sun-icon {
  display: block;
  color: #fbbf24;
}

html[data-theme="dark"] .site-header .theme-toggle-btn .moon-icon,
body.dark .site-header .theme-toggle-btn .moon-icon {
  display: none;
}

/* ==========================================================================
   2. Main Layout, Breadcrumbs & Top Bar
   ========================================================================== */
.converter-main {
  padding: 1rem 0 2.5rem;
  background-color: var(--bg-page, #f8fafc);
  min-height: calc(100vh - 140px);
}

html[data-theme="dark"] .converter-main,
body.dark .converter-main {
  background-color: #0b1120;
}

.converter-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.breadcrumb-nav-compact {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--text-muted, #94a3b8);
  margin-bottom: 0.3rem;
}

.breadcrumb-nav-compact a {
  color: var(--text-secondary, #64748b);
  transition: color var(--transition-fast, 0.15s ease);
  text-decoration: none;
}

.breadcrumb-nav-compact a:hover {
  color: var(--primary-color, #0d9488);
}

.converter-title-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.converter-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary, #0f172a);
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.2;
}

html[data-theme="dark"] .converter-title,
body.dark .converter-title {
  color: #f8fafc;
}

.tool-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.74rem;
  font-weight: 600;
  background-color: var(--primary-light, #f0fdfa);
  color: var(--primary-color, #0d9488);
  border: 1px solid var(--primary-glow, rgba(13, 148, 136, 0.25));
}

html[data-theme="dark"] .tool-badge-pill,
body.dark .tool-badge-pill {
  background-color: rgba(45, 212, 191, 0.15);
  color: #5eead4;
  border-color: rgba(45, 212, 191, 0.3);
}

.converter-subtitle {
  font-size: 0.82rem;
  color: var(--text-secondary, #64748b);
  margin: 0.25rem 0 0 0;
  line-height: 1.4;
}

html[data-theme="dark"] .converter-subtitle,
body.dark .converter-subtitle {
  color: #94a3b8;
}

/* ==========================================================================
   3. Workspace Grid (Two Columns: Editor Left, Stats Right)
   ========================================================================== */
.words-workspace-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1rem;
  align-items: start;
}

@media (max-width: 1080px) {
  .words-workspace-grid {
    grid-template-columns: 1fr;
  }
}

.words-panel-card {
  background-color: var(--bg-surface, #ffffff);
  border-radius: var(--radius-lg, 12px);
  border: 1px solid var(--border-color, #e2e8f0);
  box-shadow: var(--shadow-sm, 0 1px 2px 0 rgba(0, 0, 0, 0.05));
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color var(--transition-fast, 0.15s ease);
}

html[data-theme="dark"] .words-panel-card {
  background-color: #1e293b;
  border-color: #334155;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
}

html[data-theme="dark"] .panel-header-row {
  border-bottom-color: #334155;
}

.panel-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary, #0f172a);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.panel-title svg {
  width: 16px;
  height: 16px;
  color: var(--primary-color, #0d9488);
}

html[data-theme="dark"] .panel-title {
  color: #f8fafc;
}

/* ==========================================================================
   4. Text Editor (Left Column)
   ========================================================================== */
.editor-textarea-wrap {
  display: flex;
  flex-direction: column;
  position: relative;
  width: 100%;
}

.editor-textarea {
  width: 100%;
  min-height: 380px;
  max-height: 580px;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  line-height: 1.65;
  font-family: inherit;
  color: var(--text-primary, #0f172a);
  background-color: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-md, 8px);
  resize: vertical;
  outline: none;
  transition: border-color var(--transition-fast, 0.15s ease), box-shadow var(--transition-fast, 0.15s ease);
  box-sizing: border-box;
}

.editor-textarea:focus {
  border-color: var(--primary-color, #0d9488);
  box-shadow: 0 0 0 3px var(--primary-glow, rgba(13, 148, 136, 0.25));
}

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

html[data-theme="dark"] .editor-textarea:focus {
  border-color: var(--primary-color, #2dd4bf);
  box-shadow: 0 0 0 3px var(--primary-glow, rgba(45, 212, 191, 0.35));
}

/* Editor Action Toolbar */
.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding-top: 0.25rem;
}

.editor-toolbar-left,
.editor-toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.btn-tool-sm {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-md, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
  background-color: var(--bg-surface, #ffffff);
  color: var(--text-secondary, #64748b);
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
}

.btn-tool-sm:hover {
  background-color: var(--bg-surface-alt, #f8fafc);
  color: var(--primary-color, #0d9488);
  border-color: var(--border-color-hover, #cbd5e1);
}

html[data-theme="dark"] .btn-tool-sm {
  background-color: #0f172a;
  border-color: #334155;
  color: #94a3b8;
}

html[data-theme="dark"] .btn-tool-sm:hover {
  background-color: #1e293b;
  color: #5eead4;
  border-color: #475569;
}

.btn-tool-danger {
  color: var(--danger-color, #ef4444);
}

.btn-tool-danger:hover {
  background-color: var(--danger-bg, rgba(239, 68, 68, 0.12));
  border-color: var(--danger-color, #ef4444);
  color: var(--danger-color, #ef4444);
}

.counting-rules-hint {
  font-size: 0.72rem;
  color: var(--text-muted, #94a3b8);
  line-height: 1.4;
  margin-top: 0.25rem;
}

/* ==========================================================================
   5. Live Statistics & Analytics (Right Column)
   ========================================================================== */
.right-stats-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* Hero Word Count Banner */
.hero-stats-banner {
  background: linear-gradient(135deg, var(--primary-light, #f0fdfa) 0%, rgba(13, 148, 136, 0.05) 100%);
  border: 1px solid var(--primary-glow, rgba(13, 148, 136, 0.25));
  border-radius: var(--radius-lg, 12px);
  padding: 1.15rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.25rem;
  position: relative;
  overflow: hidden;
}

html[data-theme="dark"] .hero-stats-banner {
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.12) 0%, rgba(15, 23, 42, 0.6) 100%);
  border-color: rgba(45, 212, 191, 0.3);
}

.hero-stats-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary-color, #0d9488);
}

html[data-theme="dark"] .hero-stats-label {
  color: #5eead4;
}

.hero-stats-val {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--text-primary, #0f172a);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

html[data-theme="dark"] .hero-stats-val {
  color: #f8fafc;
}

.hero-meta-desc {
  font-size: 0.8rem;
  color: var(--text-secondary, #64748b);
  margin-top: 0.15rem;
}

html[data-theme="dark"] .hero-meta-desc {
  color: #94a3b8;
}

/* Metric Tiles Grid */
.stats-tiles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.55rem;
}

@media (min-width: 640px) {
  .stats-tiles-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item-box {
  background-color: var(--bg-surface-alt, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-md, 8px);
  padding: 0.55rem 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

html[data-theme="dark"] .stat-item-box {
  background-color: #0f172a;
  border-color: #334155;
}

.stat-item-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted, #94a3b8);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-item-val {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-primary, #0f172a);
}

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

/* Goal Tracker Card */
.goal-tracker-card {
  background-color: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-md, 8px);
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

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

.goal-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.goal-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary, #64748b);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

html[data-theme="dark"] .goal-title {
  color: #94a3b8;
}

.goal-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.goal-input {
  width: 90px;
  padding: 0.25rem 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm, 6px);
  border: 1px solid var(--border-color, #e2e8f0);
  background-color: var(--bg-surface, #ffffff);
  color: var(--text-primary, #0f172a);
  outline: none;
}

html[data-theme="dark"] .goal-input {
  background-color: #1e293b;
  border-color: #334155;
  color: #f8fafc;
}

.goal-progress-bar-bg {
  width: 100%;
  height: 8px;
  background-color: var(--bg-page, #f1f5f9);
  border-radius: 9999px;
  overflow: hidden;
}

html[data-theme="dark"] .goal-progress-bar-bg {
  background-color: #1e293b;
}

.goal-progress-bar-fill {
  height: 100%;
  background-color: var(--primary-color, #0d9488);
  border-radius: 9999px;
  transition: width 0.25s ease-out;
  width: 0%;
}

.goal-progress-bar-fill.completed {
  background-color: var(--success-color, #10b981);
}

.goal-status-text {
  font-size: 0.75rem;
  color: var(--text-secondary, #64748b);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

html[data-theme="dark"] .goal-status-text {
  color: #94a3b8;
}

/* Keyword Frequency Analysis Card */
.keywords-card {
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  background-color: var(--bg-surface, #ffffff);
}

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

.keywords-header {
  padding: 0.45rem 0.75rem;
  background-color: var(--bg-surface-alt, #f8fafc);
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-secondary, #64748b);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

html[data-theme="dark"] .keywords-header {
  background-color: #1e293b;
  border-bottom-color: #334155;
  color: #94a3b8;
}

.stop-words-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary, #64748b);
}

html[data-theme="dark"] .stop-words-label {
  color: #94a3b8;
}

.keywords-list-wrap {
  padding: 0.5rem 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  max-height: 180px;
  overflow-y: auto;
}

.keyword-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius-sm, 6px);
  background-color: var(--bg-surface-alt, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  font-size: 0.74rem;
  color: var(--text-primary, #0f172a);
}

html[data-theme="dark"] .keyword-tag {
  background-color: #1e293b;
  border-color: #334155;
  color: #f8fafc;
}

.keyword-count-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.08rem 0.35rem;
  border-radius: 9999px;
  background-color: var(--primary-light, #f0fdfa);
  color: var(--primary-color, #0d9488);
}

html[data-theme="dark"] .keyword-count-badge {
  background-color: rgba(45, 212, 191, 0.15);
  color: #5eead4;
}

.empty-keywords-hint {
  font-size: 0.74rem;
  color: var(--text-muted, #94a3b8);
  font-style: italic;
  padding: 0.5rem;
}

/* Action Buttons Bar */
.action-buttons-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-action-secondary {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-md, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
  background-color: var(--bg-surface, #ffffff);
  color: var(--text-primary, #0f172a);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
}

.btn-action-secondary:hover {
  background-color: var(--bg-surface-alt, #f8fafc);
  border-color: var(--border-color-hover, #cbd5e1);
  color: var(--primary-color, #0d9488);
}

html[data-theme="dark"] .btn-action-secondary {
  background-color: #0f172a;
  border-color: #334155;
  color: #f8fafc;
}

html[data-theme="dark"] .btn-action-secondary:hover {
  background-color: #1e293b;
  border-color: #475569;
  color: #5eead4;
}

.btn-conv-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-md, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
  background-color: var(--bg-surface, #ffffff);
  color: var(--text-secondary, #64748b);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
}

.btn-conv-ghost:hover {
  background-color: var(--bg-surface-alt, #f8fafc);
  color: var(--text-primary, #0f172a);
  border-color: var(--border-color-hover, #cbd5e1);
}

html[data-theme="dark"] .btn-conv-ghost {
  background-color: #0f172a;
  border-color: #334155;
  color: #94a3b8;
}

html[data-theme="dark"] .btn-conv-ghost:hover {
  background-color: #1e293b;
  color: #f8fafc;
}

/* Toast Notification */
.copy-feedback-toast {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-md, 8px);
  background-color: #0f172a;
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  animation: slideUpToast 0.2s ease-in-out;
}

html[data-theme="dark"] .copy-feedback-toast {
  background-color: #334155;
  color: #f8fafc;
}

@keyframes slideUpToast {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   6. Educational Guide Cards Section (Below Workspace)
   ========================================================================== */
.educational-guide-section {
  margin-top: 1.5rem;
}

.guide-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

@media (max-width: 840px) {
  .guide-grid-3col {
    grid-template-columns: 1fr;
  }
}

.guide-card {
  background-color: var(--bg-surface, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-lg, 12px);
  padding: 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

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

.guide-card-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.guide-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm, 6px);
  background-color: var(--primary-light, #f0fdfa);
  color: var(--primary-color, #0d9488);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

html[data-theme="dark"] .guide-icon {
  background-color: rgba(45, 212, 191, 0.15);
  color: #2dd4bf;
}

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

.guide-card-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary, #0f172a);
  margin: 0;
}

html[data-theme="dark"] .guide-card-title {
  color: #f8fafc;
}

.guide-card p {
  font-size: 0.77rem;
  color: var(--text-secondary, #64748b);
  line-height: 1.45;
  margin: 0;
}

html[data-theme="dark"] .guide-card p {
  color: #94a3b8;
}

/* ==========================================================================
   7. Print Media Rules
   ========================================================================== */
@media print {
  .site-header,
  .site-footer,
  .editor-toolbar,
  .action-buttons-bar,
  .educational-guide-section,
  .copy-feedback-toast {
    display: none !important;
  }

  .words-workspace-grid {
    grid-template-columns: 1fr !important;
  }

  .words-panel-card {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
}