@charset "utf-8";
/* CSS Document */
/* ============================================================
   DESIGN TOKENS — TOPTOOLLAB DARK SYSTEM
============================================================ */
:root {
  --color-cyan:         #6ee7ff;
  --color-lime:         #a8ff53;
  --color-bg:           #080b10;
  --color-bg-card:      linear-gradient(180deg, #101319 0%, #0c0e13 100%);
  --color-bg-card-alt:  #0d1118;
  --color-bg-studio:    #06080c;
  --color-border:       rgba(255, 255, 255, 0.08);
  --color-border-cyan:  rgba(110, 231, 255, 0.35);
  --color-border-lime:  rgba(168, 255, 83, 0.35);

  --color-text:         #eaf0f7;
  --color-muted:        #838e9d;
  --color-chip:         #646e7e;
  --color-danger:       #ff6b6b;
  --color-warn:         #ffb46b;

  --gradient-brand:     linear-gradient(135deg, #6ee7ff 0%, #a8ff53 100%);

  --radius-card:        14px;
  --radius-btn:         10px;
  --radius-pill:        999px;
  --radius-tag:         6px;
  --radius-input:       9px;

  --container-width:    1280px;
  --section-pad:        64px 0;

  --font-display:       'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body:          'Open Sans', ui-sans-serif, system-ui, sans-serif;
  --font-ui:            'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;
  --font-mono:          'JetBrains Mono', ui-monospace, monospace;
}
/* ============================================================
   SCOPED RESET — ONLY UNDER .ttl-page
============================================================ */
.ttl-page :where(div, section, article, p, h1, h2, h3, h4, h5, h6,
  ul, ol, li, dl, dt, dd, figure, figcaption, blockquote,
  span, a, button, input, textarea, select, table, thead, tbody,
  tfoot, tr, th, td, form, fieldset, legend, label, details, summary) {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.ttl-page {
  position: relative;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* 72px Grid Texture with radial mask */
.ttl-page::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(100% 60% at 50% 0%, #000 20%, transparent 80%);
  mask-image: radial-gradient(100% 60% at 50% 0%, #000 20%, transparent 80%);
}

.ttl-page .wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}

/* Kicker & Typography */
.ttl-page .kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 12px;
}

.ttl-page .grad {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ttl-hero {
  padding: 48px 0 20px;
}

.ttl-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.4vw, 3.3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: #ffffff;
  margin-bottom: 16px;
}

.ttl-hero .lead {
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  color: var(--color-muted);
  max-width: 72ch;
  line-height: 1.7;
  margin-bottom: 22px;
}

.ttl-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ttl-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-muted);
}

.ttl-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-lime);
  box-shadow: 0 0 8px var(--color-lime);
  flex-shrink: 0;
}

/* ============================================================
   STUDIO WORKBENCH ARCHITECTURE (.pwm-*)
   Distinctive visual studio layout with live preview & inspector
============================================================ */
.pwm-studio-section {
  padding: 16px 0 56px;
}

.pwm-error {
  display: none;
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.35);
  border-radius: 10px;
  padding: 12px 18px;
  color: var(--color-danger);
  font-size: 14px;
  margin-bottom: 20px;
}

/* Dropzone when no file loaded */
.pwm-dropzone {
  background: var(--color-bg-card);
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-card);
  padding: 72px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.25s, background-color 0.25s, transform 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.pwm-dropzone:hover, .pwm-dropzone.is-dragging {
  border-color: var(--color-cyan);
  background: rgba(110, 231, 255, 0.03);
  transform: translateY(-2px);
}

.pwm-drop-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: rgba(110, 231, 255, 0.08);
  border: 1px solid rgba(110, 231, 255, 0.25);
  display: grid;
  place-items: center;
  color: var(--color-cyan);
}

.pwm-drop-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.pwm-drop-sub {
  font-size: 13.5px;
  color: var(--color-muted);
}

.pwm-drop-sub span {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--color-text);
  margin: 0 3px;
}

.pwm-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* ============================================================
   ACTIVE STUDIO WORKBENCH (DUAL-PANE LAYOUT)
============================================================ */
.pwm-workbench {
  display: none;
  background: var(--color-bg-studio);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 24px 64px -16px rgba(0, 0, 0, 0.7);
}

.pwm-studio-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  min-height: 720px;
}

@media (max-width: 1024px) {
  .pwm-studio-layout { grid-template-columns: 1fr; }
}

/* --- Left Stage: Document Viewport --- */
.pwm-stage {
  display: flex;
  flex-direction: column;
  background: #090c12;
  border-right: 1px solid var(--color-border);
}

@media (max-width: 1024px) {
  .pwm-stage { border-right: none; border-bottom: 1px solid var(--color-border); }
}

.pwm-stage-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--color-border);
  gap: 12px;
  flex-wrap: wrap;
}

.pwm-doc-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 240px;
}

.pwm-doc-badge {
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(110, 231, 255, 0.1);
  color: var(--color-cyan);
  font-size: 11px;
}

/* Pager in viewport */
.pwm-pager {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--color-muted);
}

.pwm-btn-icon {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.pwm-btn-icon:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.pwm-btn-icon:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pwm-pager-label {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Canvas Viewport Area */
.pwm-viewport {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  overflow: auto;
  min-height: 520px;
  background:
    radial-gradient(circle at 50% 50%, rgba(110, 231, 255, 0.03) 0%, transparent 70%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 24px 24px, 24px 24px;
}

/* Paper Container with shadow */
.pwm-paper-container {
  position: relative;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  background: #ffffff;
  max-width: 100%;
}

#pdfCanvas {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

#watermarkCanvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 4px;
}

/* --- Right Stage: Inspector Control Dock --- */
.pwm-inspector {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card-alt);
  padding: 20px 22px;
  gap: 20px;
  overflow-y: auto;
  max-height: 800px;
}

/* Mode Switch Tabs (Text vs Image) */
.pwm-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: rgba(255, 255, 255, 0.04);
  padding: 4px;
  border-radius: 10px;
  gap: 4px;
  border: 1px solid var(--color-border);
}

.pwm-tab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 12px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  border-radius: 8px;
  cursor: pointer;
  border: none;
  background: transparent;
  transition: color 0.15s, background 0.15s;
}

.pwm-tab-btn.is-active {
  background: rgba(110, 231, 255, 0.12);
  color: var(--color-cyan);
  border: 1px solid rgba(110, 231, 255, 0.3);
}

/* Control Group Sections */
.pwm-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.pwm-group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.pwm-group-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cyan);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pwm-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pwm-field label {
  font-family: var(--font-ui);
  font-size: 12.5px;
  color: var(--color-muted);
  display: flex;
  justify-content: space-between;
}

.pwm-field input[type="text"],
.pwm-field select {
  font-family: var(--font-ui);
  font-size: 13.5px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.pwm-field input:focus, .pwm-field select:focus {
  border-color: var(--color-cyan);
}

/* Quick Preset Chips */
.pwm-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.pwm-chip {
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.pwm-chip:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  background: rgba(110, 231, 255, 0.05);
}

/* Color & Font Row */
.pwm-color-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pwm-color-picker {
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  outline: none;
}

.pwm-swatches {
  display: flex;
  gap: 6px;
  flex: 1;
}

.pwm-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.pwm-swatch:hover {
  transform: scale(1.15);
  border-color: #ffffff;
}

/* 9-Point Anchor Compass Widget */
.pwm-anchor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  width: 132px;
}

.pwm-anchor-btn {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 7px;
  color: var(--color-muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.15s;
}

.pwm-anchor-btn:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-text);
}

.pwm-anchor-btn.is-active {
  background: rgba(110, 231, 255, 0.15);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  box-shadow: 0 0 10px rgba(110, 231, 255, 0.3);
}

/* Slider Controls */
.pwm-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pwm-slider {
  flex: 1;
  accent-color: var(--color-cyan);
  height: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  cursor: pointer;
}

.pwm-val-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-cyan);
  width: 44px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Angle quick snaps */
.pwm-snaps {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.pwm-snap-btn {
  flex: 1;
  padding: 4px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-muted);
  cursor: pointer;
  text-align: center;
}

.pwm-snap-btn:hover {
  color: var(--color-text);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Toggle Switch */
.pwm-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
}

.pwm-switch-meta {
  display: flex;
  flex-direction: column;
}

.pwm-switch-label {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}

.pwm-switch-sub {
  font-size: 11.5px;
  color: var(--color-chip);
}

.pwm-toggle {
  width: 20px;
  height: 20px;
  accent-color: var(--color-cyan);
  cursor: pointer;
}

/* Image Watermark upload drop */
.pwm-img-drop {
  border: 1.5px dashed rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: border-color 0.2s;
}

.pwm-img-drop:hover {
  border-color: var(--color-cyan);
}

.pwm-img-preview-thumb {
  max-width: 80px;
  max-height: 50px;
  object-fit: contain;
  border-radius: 4px;
  margin-top: 6px;
}

/* Bottom Floating Dock Bar */
.pwm-dock-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: #090c12;
  border-top: 1px solid var(--color-border);
  gap: 14px;
  flex-wrap: wrap;
}

.pwm-dock-info {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
}

.pwm-dock-info b {
  color: var(--color-text);
}

.pwm-dock-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Button UI */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, opacity 0.2s, box-shadow 0.2s;
  border: 1px solid transparent;
}

.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--gradient-brand);
  color: #07090e;
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(110, 231, 255, 0.25);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 24px rgba(110, 231, 255, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

/* Progress overlay in studio */
.pwm-progress-overlay {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(6, 8, 12, 0.88);
  backdrop-filter: blur(8px);
  z-index: 50;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
  padding: 24px;
}

.pwm-progress-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.pwm-progress-bar-wrap {
  width: 280px;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.pwm-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-brand);
  border-radius: var(--radius-pill);
  transition: width 0.2s ease-out;
}

.pwm-progress-status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-cyan);
}

/* ============================================================
   EDITORIAL / EDUCATIONAL ARCHITECTURE (ADSENSE / GEO VALUE)
============================================================ */
.ttl-section {
  padding: var(--section-pad);
  border-top: 1px solid var(--color-border);
}

.ttl-section__head {
  margin-bottom: 36px;
}

.ttl-section__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.1rem);
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: -0.015em;
}

.ttl-section__head p {
  color: var(--color-muted);
  font-size: 15px;
  max-width: 68ch;
  line-height: 1.7;
}

/* Blueprint Architecture Visual Grid */
.pwm-blueprint-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.pwm-blueprint-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 30px 26px;
  position: relative;
}

.pwm-blueprint-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 26px;
  right: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
  opacity: 0.4;
}

.pwm-blueprint-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  margin-bottom: 12px;
}

.pwm-blueprint-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.pwm-blueprint-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}

.pwm-blueprint-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-lime);
  background: rgba(168, 255, 83, 0.05);
  border: 1px solid rgba(168, 255, 83, 0.2);
  padding: 6px 12px;
  border-radius: 6px;
}

/* Watermark Strategy Matrix Table */
.ttl-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card-alt);
}

.ttl-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.ttl-table th, .ttl-table td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--color-border);
}

.ttl-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-chip);
  background: rgba(255, 255, 255, 0.02);
}

.ttl-table td:first-child {
  font-weight: 600;
  color: var(--color-text);
  font-family: var(--font-display);
}

.ttl-table td { color: var(--color-muted); }
.ttl-table tr:last-child td { border-bottom: 0; }
.ttl-table .spec-badge {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
}

/* FAQ Accordion (Native details/summary) */
.ttl-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 880px;
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item[open] {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--color-text);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--color-cyan);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item .faq-body {
  padding: 0 22px 22px;
  font-size: 14.5px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* Related Tools Grid */
.ttl-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

.ttl-related-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px 22px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.ttl-related-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-cyan);
  box-shadow: 0 10px 24px -8px rgba(0, 0, 0, 0.6);
}

.ttl-related-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.ttl-related-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.ttl-related-card p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: 14px;
}

.ttl-related-card__link {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-cyan);
}