/* Battery Degradation Predictor — responsive shell + themes */

:root {
  color-scheme: light dark;
  --bg: #e8eef6;
  --bg-glow: radial-gradient(1200px 600px at 10% -10%, rgba(34, 197, 94, 0.12), transparent 50%),
    radial-gradient(900px 500px at 90% 0%, rgba(239, 68, 68, 0.08), transparent 45%);
  --panel: rgba(255, 255, 255, 0.72);
  --panel-solid: #ffffff;
  --panel-2: rgba(248, 250, 252, 0.85);
  --glass-border: rgba(255, 255, 255, 0.55);
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(148, 163, 184, 0.35);
  --accent: #22c55e;
  --accent-2: #ef4444;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 22px 60px rgba(15, 23, 42, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 10px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --page-max: 1600px;
  --page-pad: clamp(12px, 2.4vw, 24px);
  --section-gap: clamp(12px, 1.8vw, 18px);
  --touch-min: 44px;
  --chart-h: clamp(220px, 42vw, 420px);
}

body.dark {
  color-scheme: dark;
  --bg: #070b12;
  --bg-glow: radial-gradient(1000px 500px at 15% -5%, rgba(34, 197, 94, 0.14), transparent 50%),
    radial-gradient(800px 480px at 85% 5%, rgba(239, 68, 68, 0.1), transparent 50%);
  --panel: rgba(15, 23, 42, 0.55);
  --panel-solid: #0b1220;
  --panel-2: rgba(2, 6, 23, 0.65);
  --glass-border: rgba(148, 163, 184, 0.18);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --border: rgba(51, 65, 85, 0.65);
  --accent: #4ade80;
  --accent-2: #f87171;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --shadow-hover: 0 28px 80px rgba(0, 0, 0, 0.55);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .glass,
  .btn,
  .metric-card,
  .saved-item,
  .result-box {
    transition: none !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(15px, 0.28vw + 14px, 16px);
  line-height: 1.5;
  background-color: var(--bg);
  background-image: var(--bg-glow);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100dvh;
  overflow-x: clip;
}

#wrapper {
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
}

.guy {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-pad);
  padding-bottom: clamp(24px, 4vw, 48px);
}

.glass {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow 0.25s ease, border-color 0.2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .glass:hover {
    box-shadow: var(--shadow-hover);
  }
}

.tool-header {
  padding-block: 12px 0;
  padding-inline: 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: clamp(10px, 2vw, 16px);
  padding: clamp(10px, 1.6vw, 14px) clamp(12px, 2vw, 18px);
  border-radius: var(--radius-sm);
}

.tool-title {
  margin: 0;
  flex: 1 1 200px;
  min-width: 0;
  font-size: clamp(1rem, 0.35vw + 0.92rem, 1.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  background: linear-gradient(90deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

body.dark .tool-title {
  background: linear-gradient(90deg, #f8fafc, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(13px, 1.4vw, 14px);
  color: var(--muted);
  flex-shrink: 0;
}

.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 28px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider.round {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border);
  border-radius: 999px;
  transition: background 0.25s ease;
}

.slider.round::before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.25s ease;
}

input:checked + .slider.round {
  background: linear-gradient(90deg, var(--accent), #16a34a);
}

input:checked + .slider.round::before {
  transform: translateX(20px);
}

.app-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr) minmax(220px, 300px);
  align-items: stretch;
  gap: var(--section-gap);
  padding-block: var(--section-gap);
  padding-inline: 0;
  min-height: calc(100dvh - clamp(72px, 12vw, 100px));
  width: 100%;
  max-width: 100%;
}

.app-layout > * {
  min-width: 0;
}

.sidebar {
  padding: clamp(14px, 2vw, 18px);
  max-height: none;
  overflow: visible;
}

.sidebar h3 {
  margin: 0 0 14px;
  font-size: clamp(0.92rem, 1.2vw, 1rem);
  font-weight: 700;
}

.main {
  padding: clamp(14px, 2.2vw, 22px) clamp(14px, 2.4vw, 24px) clamp(18px, 3vw, 28px);
  overflow: visible;
  min-width: 0;
}

.main > h1 {
  margin: 0 0 14px;
  font-size: clamp(1.15rem, 1.2vw + 0.9rem, 1.45rem);
  font-weight: 800;
  line-height: 1.2;
}

.row-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: clamp(12px, 1.1vw, 13px);
  color: var(--muted);
  margin-bottom: 6px;
}

.row-label strong {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  max-width: 100%;
  margin-bottom: clamp(10px, 1.6vw, 14px);
  accent-color: var(--accent);
  min-height: var(--touch-min);
  padding-block: 10px;
  cursor: pointer;
  background: transparent;
  border: none;
  border-radius: var(--radius-xs);
}

select {
  width: 100%;
  max-width: 100%;
  margin-bottom: clamp(10px, 1.6vw, 14px);
  accent-color: var(--accent);
  min-height: var(--touch-min);
  padding: 12px 14px;
  font-size: 16px;
  line-height: 1.3;
  background-color: var(--panel-solid);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
}

.btn {
  width: 100%;
  min-height: var(--touch-min);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 700;
  font-size: clamp(15px, 1.2vw, 16px);
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #15803d);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.25);
  transition: transform 0.15s ease, filter 0.15s ease;
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
  }
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: linear-gradient(135deg, #64748b, #334155);
  box-shadow: 0 6px 18px rgba(51, 65, 85, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
  font-weight: 600;
  min-height: 40px;
  padding: 10px 12px;
  font-size: clamp(13px, 1.1vw, 14px);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .btn-ghost:hover {
    border-color: var(--accent);
    background: rgba(34, 197, 94, 0.08);
  }
}

body.dark .btn-ghost:hover {
  background: rgba(74, 222, 128, 0.1);
}

.result-box {
  padding: clamp(14px, 2vw, 18px) clamp(14px, 2.2vw, 20px);
  border-radius: var(--radius);
  font-size: clamp(1rem, 0.5vw + 0.92rem, 1.12rem);
  font-weight: 700;
  margin-bottom: var(--section-gap);
  border: 1px solid var(--glass-border);
  transition: background 0.35s ease;
  word-break: break-word;
}

.chart-wrap {
  position: relative;
  width: 100%;
  max-width: 100%;
  height: var(--chart-h);
  min-height: 220px;
  border-radius: var(--radius);
  margin-bottom: var(--section-gap);
  border: 1px solid var(--glass-border);
  background: var(--panel-2);
  overflow: hidden;
  contain: layout style paint;
}

.chart-wrap canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  max-width: 100%;
  padding: clamp(4px, 1vw, 10px);
}

.chart-fallback {
  display: none;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
  color: var(--muted);
  font-weight: 600;
  padding: 24px;
  text-align: center;
  font-size: clamp(14px, 1.2vw, 15px);
}

.chart-fallback.visible {
  display: flex;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(10px, 1.6vw, 14px);
  margin-bottom: var(--section-gap);
  width: 100%;
}

.metric-card {
  padding: clamp(12px, 1.8vw, 16px) clamp(10px, 1.4vw, 14px);
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid var(--glass-border);
  background: var(--panel-2);
  transition: transform 0.2s ease;
  min-width: 0;
}

@media (hover: hover) and (pointer: fine) {
  .metric-card:hover {
    transform: translateY(-2px);
  }
}

.metric-card h3 {
  margin: 0 0 6px;
  font-size: clamp(10px, 0.9vw, 12px);
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric-card .val {
  font-size: clamp(1.1rem, 1.5vw + 0.75rem, 1.45rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  word-break: break-word;
}

.insights-panel {
  padding: clamp(14px, 2vw, 18px);
  border-radius: var(--radius);
  margin-bottom: var(--section-gap);
  border: 1px solid var(--glass-border);
  background: var(--panel-2);
  line-height: 1.65;
  font-size: clamp(14px, 1.1vw, 15px);
  color: var(--muted);
  word-break: break-word;
}

.compare-panel {
  padding: clamp(14px, 2vw, 18px);
  border-radius: var(--radius);
  margin-bottom: var(--section-gap);
  border: 1px solid var(--glass-border);
  background: var(--panel-2);
}

.compare-panel h3 {
  margin: 0 0 12px;
  font-size: clamp(1rem, 1vw + 0.9rem, 1.05rem);
}

.engine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: clamp(10px, 1.6vw, 14px);
  margin-top: 12px;
}

.engine-card {
  padding: clamp(12px, 1.6vw, 16px);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-solid);
  min-width: 0;
}

.engine-card h4 {
  margin: 0 0 8px;
  font-size: clamp(11px, 1vw, 12px);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.engine-card .big {
  font-size: clamp(1.2rem, 1.4vw + 0.85rem, 1.55rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  word-break: break-word;
}

.engine-card .sub {
  font-size: clamp(12px, 1vw, 13px);
  color: var(--muted);
  margin-top: 6px;
  line-height: 1.45;
}

.delta-pos {
  color: var(--accent);
}

.delta-neg {
  color: var(--accent-2);
}

.hint {
  font-size: clamp(12px, 1vw, 13px);
  color: var(--muted);
  margin: 0 0 12px;
  line-height: 1.55;
}

.saved-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.saved-item {
  padding: clamp(12px, 1.6vw, 14px);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-2);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

@media (hover: hover) and (pointer: fine) {
  .saved-item:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
  }
}

.saved-item.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.25);
}

.saved-meta {
  font-size: clamp(11px, 0.9vw, 12px);
  color: var(--muted);
  margin-bottom: 6px;
  word-break: break-word;
}

.saved-title {
  font-weight: 700;
  font-size: clamp(13px, 1.1vw, 14px);
  margin-bottom: 10px;
  line-height: 1.35;
  word-break: break-word;
}

.saved-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.saved-actions button {
  width: 100%;
  min-height: 40px;
}

.health-strip {
  margin-top: 16px;
  padding: clamp(12px, 1.6vw, 14px);
  border-radius: var(--radius-sm);
  font-size: clamp(12px, 1vw, 13px);
  border: 1px dashed var(--border);
  color: var(--muted);
  line-height: 1.5;
  word-break: break-word;
}

.health-strip.ok {
  border-color: rgba(34, 197, 94, 0.45);
  color: var(--text);
}

.health-strip.bad {
  border-color: rgba(239, 68, 68, 0.45);
}

.empty-state {
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
  color: var(--muted);
  text-align: center;
  font-size: clamp(13px, 1.1vw, 14px);
  line-height: 1.5;
}

.fullscreen-btn {
  position: fixed;
  top: max(12px, env(safe-area-inset-top, 0px));
  right: max(12px, env(safe-area-inset-right, 0px));
  z-index: 50;
  width: var(--touch-min);
  height: var(--touch-min);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

.embed-box,
.similar-tools {
  width: 100%;
  max-width: min(700px, 100%);
  margin-inline: auto;
  margin-block: clamp(20px, 3vw, 32px);
  padding-inline: 10;
}

.embed-box h3,
.similar-tools h3 {
  margin: 0 0 10px;
  font-size: clamp(1rem, 1vw + 0.9rem, 1.1rem);
}

.embed-box p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: clamp(14px, 1.1vw, 15px);
}

.embed-code {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.embed-textarea {
  width: 100%;
  max-width: 100%;
  min-height: clamp(120px, 28vw, 160px);
  padding: 12px 14px;
  font-size: 16px;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
  line-height: 1.45;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-solid);
  color: var(--text);
  resize: vertical;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.copy-btn {
  align-self: flex-start;
  min-height: var(--touch-min);
  padding: 0 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .copy-btn:hover {
    border-color: var(--accent);
  }
}

.similar-tools ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: clamp(14px, 1.1vw, 15px);
}

.similar-tools li {
  margin-bottom: 8px;
  word-break: break-word;
}

#savedSimulationsList {
  margin-top: 14px;
}

#savedEmpty {
  margin-top: 8px;
}

/* ——— Breakpoints (layout) ——— */

@media (min-width: 1920px) {
  :root {
    --page-max: 1680px;
    --section-gap: 18px;
  }
}

@media (max-width: 1440px) {
  :root {
    --page-max: 1440px;
  }
}

@media (max-width: 1280px) {
  .app-layout {
    grid-template-columns: minmax(200px, 260px) minmax(0, 1fr) minmax(200px, 280px);
  }
}

@media (max-width: 1100px) {
  .app-layout {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .sidebar {
    order: 2;
  }

  .main {
    order: 1;
  }

  .sidebar.right {
    order: 3;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  :root {
    --chart-h: clamp(240px, 48vw, 380px);
  }

  .saved-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    background-attachment: scroll;
  }

  .fullscreen-btn {
    top: max(8px, env(safe-area-inset-top, 0px));
    right: max(8px, env(safe-area-inset-right, 0px));
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .saved-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --chart-h: clamp(200px, 52vw, 300px);
  }

  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .theme-toggle {
    justify-content: space-between;
  }
}

@media (max-width: 390px) {
  .tool-title {
    font-size: 0.98rem;
  }
}

@media (max-width: 360px) {
  :root {
    --page-pad: 10px;
  }
}

@media (max-width: 320px) {
  .metric-card .val {
    font-size: 1.05rem;
  }

  .engine-card .big {
    font-size: 1.15rem;
  }
}

/* ——— Fullscreen (#wrapper is the fullscreen element) ——— */

#wrapper:fullscreen {
  min-height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  background: var(--bg);
}

#wrapper:fullscreen .guy {
  max-width: none;
  height: 100%;
  min-height: 0;
  padding-bottom: 0;
  display: flex;
  flex-direction: column;
}

#wrapper:fullscreen .app-layout {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr) minmax(220px, 300px);
  align-content: stretch;
}

#wrapper:fullscreen .app-layout > * {
  min-height: 0;
}

#wrapper:fullscreen .sidebar.left {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

#wrapper:fullscreen #mainCenter {
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

#wrapper:fullscreen #sidebarRight {
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

#wrapper:fullscreen .embed-box,
#wrapper:fullscreen .similar-tools,
#wrapper:fullscreen .tool-header {
  display: none;
}

#wrapper:fullscreen .fullscreen-btn {
  display: inline-flex;
}

@media (max-width: 1100px) {
  #wrapper:fullscreen .app-layout {
    grid-template-columns: 1fr;
  }

  #wrapper:fullscreen .sidebar.left,
  #wrapper:fullscreen #sidebarRight {
    display: none;
  }

  #wrapper:fullscreen #mainCenter {
    display: block;
    height: 100%;
    max-height: 100%;
  }
}

#mainCenter::-webkit-scrollbar,
#sidebarRight::-webkit-scrollbar,
.sidebar.left::-webkit-scrollbar {
  width: 10px;
}

#mainCenter::-webkit-scrollbar-thumb,
#sidebarRight::-webkit-scrollbar-thumb,
.sidebar.left::-webkit-scrollbar-thumb {
  background: rgba(120, 120, 120, 0.45);
  border-radius: 20px;
}

/* ——— SEO content (injected / companion pages) ——— */

.tool-seo-content {
  max-width: 1100px;
  margin: 50px auto;
  padding: 34px;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  border: 1px solid #e2e8f0;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.07);
  color: #0f172a;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.75;
}

.tool-seo-content h2 {
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 800;
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e2e8f0;
  color: #0f172a;
  line-height: 1.35;
}

.tool-seo-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  color: #111827;
  line-height: 1.4;
}

.tool-seo-content p,
.tool-seo-content ul,
.tool-seo-content ol,
.tool-seo-content .faq-item {
  margin: 0 0 24px;
}

.tool-seo-content p {
  color: #334155;
}

.tool-seo-content strong {
  color: #0ea5a4;
  font-weight: 800;
}

.tool-seo-content ul,
.tool-seo-content ol {
  padding: 18px 22px 18px 38px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
}

.tool-seo-content li {
  margin: 10px 0;
  color: #334155;
}

.tool-seo-content > h2:not(:first-child) {
  margin-top: 34px;
}

.tool-seo-content a {
  color: #0ea5a4;
  text-decoration: none;
  font-weight: 700;
}

.tool-seo-content a:hover {
  text-decoration: underline;
}

.faq-accordion {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.05);
  transition: all 0.25s ease;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
}

.faq-item h3 {
  margin: 0 0 10px;
}

.faq-item p {
  margin: 0;
  color: #475569;
  line-height: 1.65;
}

html[data-theme="dark"] .tool-seo-content,
body.dark-mode .tool-seo-content,
body.dark .tool-seo-content,
.dark .tool-seo-content {
  background: linear-gradient(180deg, #0f172a, #111827);
  border: 1px solid #334155;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  color: #e5e7eb;
}

html[data-theme="dark"] .tool-seo-content h2,
body.dark-mode .tool-seo-content h2,
body.dark .tool-seo-content h2,
.dark .tool-seo-content h2 {
  color: #f8fafc;
  border-bottom: 2px solid #334155;
}

html[data-theme="dark"] .tool-seo-content h3,
body.dark-mode .tool-seo-content h3,
body.dark .tool-seo-content h3,
.dark .tool-seo-content h3 {
  color: #ffffff;
}

html[data-theme="dark"] .tool-seo-content p,
html[data-theme="dark"] .tool-seo-content li,
body.dark-mode .tool-seo-content p,
body.dark-mode .tool-seo-content li,
body.dark .tool-seo-content p,
body.dark .tool-seo-content li,
.dark .tool-seo-content p,
.dark .tool-seo-content li {
  color: #cbd5e1;
}

html[data-theme="dark"] .tool-seo-content strong,
body.dark-mode .tool-seo-content strong,
body.dark .tool-seo-content strong,
.dark .tool-seo-content strong {
  color: #22d3ee;
}

html[data-theme="dark"] .tool-seo-content ul,
html[data-theme="dark"] .tool-seo-content ol,
body.dark-mode .tool-seo-content ul,
body.dark-mode .tool-seo-content ol,
body.dark .tool-seo-content ul,
body.dark .tool-seo-content ol,
.dark .tool-seo-content ul,
.dark .tool-seo-content ol {
  background: #0b1220;
  border: 1px solid #334155;
}

html[data-theme="dark"] .faq-item,
body.dark-mode .faq-item,
body.dark .faq-item,
.dark .faq-item {
  background: #111827;
  border: 1px solid #334155;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

html[data-theme="dark"] .faq-item p,
body.dark-mode .faq-item p,
body.dark .faq-item p,
.dark .faq-item p {
  color: #cbd5e1;
}

@media (max-width: 768px) {
  .tool-seo-content {
    padding: 22px 16px;
    margin-top: 35px;
    border-radius: 18px;
  }

  .tool-seo-content h2 {
    font-size: 1.2rem;
  }

  .tool-seo-content ul,
  .tool-seo-content ol {
    padding: 16px 18px 16px 32px;
  }

  .faq-item {
    padding: 16px;
  }
}




/* Fullscreen button in sidebar */
.fullscreen-toggle{
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
}

/* Optional: nicer hover */
.fullscreen-toggle:hover{
  border-color: var(--accent);
}

/* ==========================================
FULLSCREEN INTERNAL SCROLL
Main + Right Sidebar scroll separately
========================================== */

/* fullscreen container */
.app-layout:fullscreen,
.app-layout.fullscreen{
  height:100vh !important;
  max-height:100vh !important;
  overflow:hidden !important;
  display:grid !important;
  grid-template-columns:minmax(240px,280px) 1fr minmax(260px,300px);
  gap:14px;
  padding:14px;
}

/* critical for grid scrolling */
.app-layout:fullscreen > *,
.app-layout.fullscreen > *{
  min-height:0 !important;
}

/* LEFT sidebar */
.app-layout:fullscreen #sidebarLeft,
.app-layout.fullscreen #sidebarLeft{
  height:100%;
  overflow-y:auto;
}

/* MAIN center */
.app-layout:fullscreen #mainCenter,
.app-layout.fullscreen #mainCenter{
  height:100%;
  overflow-y:auto;
  overflow-x:hidden;
  padding-bottom:80px;
}

/* RIGHT sidebar */
.app-layout:fullscreen #sidebarRight,
.app-layout.fullscreen #sidebarRight{
  height:100%;
  overflow-y:auto;
  overflow-x:hidden;
  padding-bottom:80px;
}

/* scrollbars */
#mainCenter::-webkit-scrollbar,
#sidebarRight::-webkit-scrollbar,
#sidebarLeft::-webkit-scrollbar{
  width:10px;
}

#mainCenter::-webkit-scrollbar-thumb,
#sidebarRight::-webkit-scrollbar-thumb,
#sidebarLeft::-webkit-scrollbar-thumb{
  background:rgba(120,120,120,.45);
  border-radius:20px;
}

/* mobile fullscreen */
@media (max-width:1100px){

  .app-layout:fullscreen,
  .app-layout.fullscreen{
    grid-template-columns:1fr !important;
  }

  .app-layout:fullscreen #sidebarLeft,
  .app-layout.fullscreen #sidebarLeft,
  .app-layout:fullscreen #sidebarRight,
  .app-layout.fullscreen #sidebarRight{
    display:none;
  }

  .app-layout:fullscreen #mainCenter,
  .app-layout.fullscreen #mainCenter{
    display:block;
    height:100%;
    overflow-y:auto;
  }
}