/* ============================================
   Word Counter - Layout & Styles

   Breakpoints:
     Mobile:    < 768px   (stacked, scrollable)
     Tablet:    768-1023px (stacked, no ads)
     Desktop:   1024-1399px (2 columns, no ads)
     Wide:      >= 1400px  (2 columns + ad sidebars)
   ============================================ */

/* ======================
   BASE LAYOUT
   ====================== */

html {
  background-color: #0d9488;
}

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ======================
   HEADER
   ====================== */

.header {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--space-3) 0;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.header-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: white;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.logo-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.logo-text { color: white; text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); }

.logo-dot {
  color: #fbbf24;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.2); }
}

.title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

/* ======================
   TOOLBAR
   ====================== */

.toolbar {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.toolbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Spaces toggle */
.toggle-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-base);
  user-select: none;
}

.toggle-option:hover {
  background: rgba(255, 255, 255, 0.25);
}

.toggle-option:has(input:checked) {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
}

.toggle-option input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: #0d9488;
  cursor: pointer;
  margin: 0;
}

.toggle-label {
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.02em;
}

/* Toolbar buttons */
.toolbar-right .btn {
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.2);
  color: white;
  font-weight: var(--font-semibold);
}

.toolbar-right .btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.toolbar-right .btn-primary {
  background: rgba(255, 255, 255, 0.35);
  border-color: rgba(255, 255, 255, 0.5);
}

.toolbar-right .btn-primary:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* ======================
   PAGE BODY
   ====================== */

.page-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas: "content";
  min-height: 0;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

/* ======================
   AD SIDEBARS
   ====================== */

.ad-sidebar {
  display: none;
  align-self: center;
  padding: var(--space-4) 0;
}

.ad-sidebar-left  { grid-area: ad-left;  justify-self: center; }
.ad-sidebar-right { grid-area: ad-right; justify-self: center; }

.ad-sticky { position: sticky; top: var(--space-4); }

.ad-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 160px;
  height: 600px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

/* ======================
   MAIN CONTENT
   ====================== */

.main-content {
  grid-area: content;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: var(--space-4) 0;
  min-height: 0;
}

/* ======================
   PANELS CONTAINER
   ====================== */

.panels-container {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-4);
  min-height: 0;
}

/* ======================
   PANEL
   ====================== */

.panel {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.3);
  overflow: hidden;
  min-height: 0;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  transition: box-shadow var(--transition-base);
}

.panel:hover {
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.2);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.15), rgba(15, 118, 110, 0.15));
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.panel-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.btn-icon {
  background: rgba(13, 148, 136, 0.15);
  border: none;
  cursor: pointer;
  font-size: var(--text-xl);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  color: var(--color-gray-700);
  line-height: 1;
}

.btn-icon:hover {
  background: rgba(13, 148, 136, 0.3);
  transform: scale(1.1);
}

.panel-body {
  flex: 1;
  padding: var(--space-4);
  overflow: hidden;
  display: flex;
  min-height: 0;
}

/* Input panel textarea */
.panel-input .panel-body .textarea {
  flex: 1;
  min-height: 0;
  resize: none;
  font-size: var(--text-sm);
  line-height: 1.8;
  border: none;
  background: transparent;
  color: var(--color-gray-900);
}

.panel-input .panel-body .textarea:focus {
  outline: none;
  box-shadow: none;
}

/* Stats panel body */
.panel-body-stats {
  flex-direction: column;
  overflow-y: auto;
  gap: var(--space-5);
  padding: var(--space-5);
}

/* ======================
   STATS GRID
   ====================== */

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  flex-shrink: 0;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-3);
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.12), rgba(15, 118, 110, 0.12));
  border: 1px solid rgba(13, 148, 136, 0.3);
  border-radius: var(--radius-lg);
  text-align: center;
  gap: var(--space-1);
  transition: all var(--transition-base);
}

.stat-card:hover {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.2), rgba(15, 118, 110, 0.2));
  transform: translateY(-1px);
}


.stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ======================
   SOCIAL LIMITS
   ====================== */

.social-section {
  flex-shrink: 0;
}

.social-title {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.social-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.social-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.social-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.social-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
}

.social-count {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  font-variant-numeric: tabular-nums;
}

.social-bar-track {
  height: 5px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.social-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #0d9488, #0f766e);
  border-radius: var(--radius-full);
  transition: width 0.15s ease, background-color 0.15s ease;
  width: 0%;
}

.social-bar-fill.over-limit {
  background: var(--color-error);
}

/* ======================
   STATUS BAR
   ====================== */

.status-bar {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--space-2) 0;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.status-content {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--text-sm);
}

.status-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.status-label {
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--font-medium);
}

#status-words,
#status-chars,
#status-text {
  color: white;
  font-weight: var(--font-semibold);
}

/* ============================================
   RESPONSIVE: Wide Desktop (>= 1400px)
   ============================================ */

@media (min-width: 1400px) {
  .page-body {
    grid-template-columns: 200px 1fr 200px;
    grid-template-areas: "ad-left content ad-right";
  }

  .ad-sidebar { display: block; }
}

/* ============================================
   RESPONSIVE: Tablet 768-1023px (single col, no stats sidebar → stacked)
   ============================================ */

@media (max-width: 1023px) {
  .panels-container {
    grid-template-columns: 1fr;
  }

  .panel-stats {
    min-height: auto;
  }

  .panel-body-stats {
    overflow-y: visible;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .stat-reading-time {
    grid-column: auto;
  }
}

/* ============================================
   RESPONSIVE: Mobile (< 768px)
   ============================================ */

@media (max-width: 767px) {
  body {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-y: auto;
  }

  .page-body {
    overflow: visible;
    min-height: auto;
  }

  .header { padding: var(--space-2) 0; }

  .title { font-size: var(--text-sm); }

  .logo-link {
    font-size: var(--text-sm);
    padding: var(--space-1) var(--space-2);
  }

  .toolbar-content { flex-wrap: wrap; gap: var(--space-2); }

  .toolbar-left { flex: 1 1 100%; }

  .toolbar-right { margin-left: auto; }

  .main-content {
    padding: var(--space-2) 0;
    overflow: visible;
  }

  .panels-container {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .panel-input { min-height: 45vh; }

  .panel-header { padding: var(--space-2) var(--space-3); }

  .panel-title { font-size: var(--text-sm); }

  .panel-body { padding: var(--space-2) var(--space-3); }

  .panel-body-stats { padding: var(--space-3); }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-value { font-size: var(--text-xl); }

  .status-bar { padding: var(--space-1) 0; }

  .status-content { gap: var(--space-2); font-size: var(--text-xs); }
}

/* ============================================
   DARK MODE
   ============================================ */

html[data-theme="dark"] { background-color: #0f172a; }

[data-theme="dark"] body {
  background: #0f172a;
}

[data-theme="dark"] .header {
  background: rgba(0, 0, 0, 0.3);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .toolbar {
  background: rgba(0, 0, 0, 0.2);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .toggle-option {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .toggle-option:hover {
  background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .panel {
  background: rgba(15, 23, 42, 0.95);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .panel:hover {
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .panel-header {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(15, 118, 110, 0.08));
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .panel-title { color: var(--color-gray-100); }

[data-theme="dark"] .btn-icon {
  background: rgba(13, 148, 136, 0.1);
  color: var(--color-gray-300);
}

[data-theme="dark"] .btn-icon:hover { background: rgba(13, 148, 136, 0.2); }

[data-theme="dark"] .panel-input .panel-body .textarea { color: var(--color-gray-100); }

[data-theme="dark"] .panel-input .panel-body .textarea::placeholder { color: var(--color-gray-500); }

[data-theme="dark"] .stat-card {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.06), rgba(15, 118, 110, 0.06));
  border-color: rgba(13, 148, 136, 0.15);
}

[data-theme="dark"] .stat-card:hover {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.12), rgba(15, 118, 110, 0.12));
}

[data-theme="dark"] .stat-value { color: var(--color-gray-100); }

[data-theme="dark"] .social-name { color: var(--color-gray-300); }

[data-theme="dark"] .social-bar-track { background: var(--color-gray-700); }

[data-theme="dark"] .status-bar {
  background: rgba(0, 0, 0, 0.3);
  border-top-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .ad-placeholder {
  background: rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.12);
}

/* ── About/Related fix: allow scrolling past tool UI ─────────────────────── */
.main-content { overflow-y: auto; }
.panels-container { min-height: clamp(350px, 60vh, 800px); }
.panels-container .info-related-row { grid-column: 1 / -1; }

/* ── Compact header ─────────────────────────────────────────────────────── */
.header { padding: var(--space-1) 0; }
.logo-link { font-size: var(--text-sm); padding: var(--space-1) var(--space-2); }
.title { font-size: var(--text-sm); }

/* ── Mobile: natural page scroll + usable editor height ─────────────────── */
@media (max-width: 767px) {
  body { height: auto; min-height: 100vh; overflow-y: auto; }
  .page-body { overflow: visible; }
  .main-content { overflow: visible !important; padding-bottom: var(--space-8); }
  .panel { min-height: 42vh; }
}