/* ============================================================
   GFView — App Styles
   ============================================================ */

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

/* -- CSS Variables ------------------------------------------ */
:root {
  /* Dark theme (default) */
  --bg:          #0f0f13;
  --bg-surface:  #18181f;
  --bg-raised:   #22222d;
  --bg-hover:    #2a2a38;
  --border:      #2e2e3e;
  --accent:      #4f8ef7;
  --accent-dim:  #2a4d99;
  --accent-glow: rgba(79,142,247,0.18);
  --text-primary:   #f0f0f7;
  --text-secondary: #8888aa;
  --text-muted:     #55556a;
  --sidebar-w: 280px;
  --header-h:   56px;
  --radius:      10px;
  --shadow:      0 4px 24px rgba(0,0,0,0.5);
  --transition:  0.18s ease;
  --font-ui:    'DM Sans', system-ui, sans-serif;
  --font-logo:  'Syne', system-ui, sans-serif;
}

[data-theme="light"] {
  --bg:          #f4f4f8;
  --bg-surface:  #ffffff;
  --bg-raised:   #ebebf2;
  --bg-hover:    #dcdce8;
  --border:      #d0d0de;
  --accent:      #2563eb;
  --accent-dim:  #bfcfff;
  --accent-glow: rgba(37,99,235,0.12);
  --text-primary:   #111118;
  --text-secondary: #555570;
  --text-muted:     #9999b0;
  --shadow:      0 4px 24px rgba(0,0,0,0.10);
}

/* -- Reset & Base ------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100dvh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

/* -- App Shell ---------------------------------------------- */
#app {
  display: grid;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-areas:
    "header header"
    "sidebar main";
  min-height: 100dvh;
}

/* -- Header ------------------------------------------------- */
#header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px 0 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  user-select: none;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-logo);
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  letter-spacing: -1px;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--accent-glow);
}

.logo-name {
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo-name span {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* -- Icon Button -------------------------------------------- */
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
  position: relative;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.icon-btn svg { display: block; }

/* Menu button */
#menu-btn { position: relative; }

/* -- Dropdown Menu ------------------------------------------ */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 190px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 200;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.15s, transform 0.15s;
  transform-origin: top right;
}
.dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 16px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
}
.dropdown-item:hover { background: var(--bg-hover); }
.dropdown-item svg { color: var(--accent); flex-shrink: 0; }
.dropdown-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* -- Sidebar ------------------------------------------------ */
#sidebar {
  grid-area: sidebar;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  position: sticky;
  top: var(--header-h);
  height: calc(100dvh - var(--header-h));
  padding: 20px 16px 32px;
  gap: 28px;
  transition: transform 0.28s cubic-bezier(.4,0,.2,1);
  z-index: 80;
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Font selector */
.font-selector-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.font-selector-wrap label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

select.font-select {
  width: 100%;
  background: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  cursor: pointer;
  appearance: auto;
  -webkit-appearance: auto;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  /* Show 5 items */
  size: 5;
  overflow-y: auto;
}
select.font-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
select.font-select option {
  padding: 5px 8px;
  background: var(--bg-raised);
  color: var(--text-primary);
}
select.font-select option:checked {
  background: var(--accent);
  color: #fff;
}

/* Font preview badge — now a clickable button */
.font-preview-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 8px 10px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  min-height: 44px;
  width: 100%;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
  font-family: inherit; /* will be overridden by JS */
}
.font-preview-badge:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.font-preview-badge:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.badge-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge-link-icon {
  flex-shrink: 0;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: color var(--transition), transform var(--transition);
}
.font-preview-badge:hover .badge-link-icon {
  color: var(--accent);
  transform: translate(1px, -1px);
}

/* -- Specimen Dialog ---------------------------------------- */
#specimen-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 400;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 16px;
}
#specimen-overlay.open { display: flex; }

.specimen-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 680px;
  max-height: min(90dvh, 740px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  overflow: hidden;
  animation: dialogIn 0.22s cubic-bezier(.4,0,.2,1);
}

.specimen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 14px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.specimen-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.specimen-gf-logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Georgia, 'Times New Roman', serif;
  font-style: italic;
  font-weight: bold;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--accent-glow);
  user-select: none;
}

.specimen-eyebrow {
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 3px;
}

.specimen-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}

.specimen-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.specimen-open-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-size: 0.8rem;
  white-space: nowrap;
}

/* Scrollable card area */
.specimen-body {
  flex: 1;
  overflow-y: auto;
  position: relative;
  background: var(--bg);
}

.specimen-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.875rem;
  z-index: 2;
}

.specimen-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Native card */
.specimen-card {
  padding: 24px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.specimen-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.specimen-cat-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.specimen-weight-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Pangrams */
.specimen-pangrams {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.specimen-pangram-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.specimen-pangram-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  width: 72px;
  flex-shrink: 0;
}

.specimen-pangram-text {
  color: var(--text-primary);
  line-height: 1.2;
  word-break: break-word;
}

/* Sections */
.specimen-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.specimen-section-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.specimen-glyphs {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  word-break: break-all;
  letter-spacing: 0.03em;
}

/* Styles grid */
.specimen-styles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.specimen-style-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.specimen-style-item:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.specimen-style-name {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.specimen-style-preview {
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text-primary);
}

/* Actions bar */
.specimen-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 4px;
  flex-wrap: wrap;
}

.specimen-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  text-decoration: none;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 0 16px var(--accent-glow);
}
.specimen-download-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
}
.specimen-download-btn:active { transform: translateY(0); }

.specimen-page-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  .specimen-open-link span { display: none; }
  .specimen-title { max-width: 150px; }
  .specimen-card { padding: 18px 16px 28px; }
  .specimen-styles { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}

/* Size controls */
.size-control {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.size-control label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  display: flex;
  justify-content: space-between;
}
.size-control label span { color: var(--accent); font-weight: 600; }
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--bg-hover);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

/* Sidebar overlay (mobile) */
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 70;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

/* -- Main Content ------------------------------------------- */
#main {
  grid-area: main;
  padding: 40px 48px 64px;
  overflow-y: auto;
  max-width: 900px;
  width: 100%;
}

/* -- Sample Page -------------------------------------------- */
.sample-kicker {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sample-kicker::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

#sample-headline {
  font-size: var(--headline-size, 2.6rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 28px;
  transition: font-family 0.2s ease, font-size 0.2s ease;
}

.sample-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.meta-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  flex-shrink: 0;
}
.meta-text { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.4; }
.meta-text strong { color: var(--text-primary); }

.sample-body {
  font-size: var(--body-size, 1.05rem);
  line-height: 1.75;
  color: var(--text-primary);
  transition: font-family 0.2s ease, font-size 0.2s ease;
}

.sample-body p { margin-bottom: 1.4em; }
.sample-body p:last-child { margin-bottom: 0; }

.sample-body h2 {
  font-size: 1.35em;
  font-weight: 700;
  margin: 1.8em 0 0.7em;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.sample-pullquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 2em 0;
  background: var(--accent-glow);
  border-radius: 0 8px 8px 0;
  font-size: 1.1em;
  font-style: italic;
  color: var(--text-primary);
}

/* -- Settings Dialog ---------------------------------------- */
#settings-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 300;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  padding: 16px;
}
#settings-overlay.open { display: flex; }

.settings-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 600px;
  max-height: min(88dvh, 720px);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  animation: dialogIn 0.22s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.settings-header h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}
.settings-header h2 svg { color: var(--accent); flex-shrink: 0; }

.settings-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.settings-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-field-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.settings-field-header label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.settings-field-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
}

.settings-textarea {
  width: 100%;
  background: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: 'DM Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 72px;
}
.settings-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.settings-textarea--tall { min-height: 220px; }
.settings-textarea::placeholder { color: var(--text-muted); }

.settings-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.settings-footer-right {
  display: flex;
  gap: 8px;
}

.btn-ghost {
  padding: 8px 16px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.settings-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* Unit toggle */
.unit-toggle {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.unit-btns {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  width: fit-content;
}

.unit-btn {
  padding: 7px 22px;
  border: none;
  background: var(--bg-raised);
  color: var(--text-secondary);
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  border-right: 1px solid var(--border);
  position: relative;
}
.unit-btn:last-child { border-right: none; }
.unit-btn:hover:not(.active) {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.unit-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
}

.unit-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}
.unit-desc strong { color: var(--text-secondary); font-weight: 600; }

/* -- Markdown-rendered body styles --------------------------- */
.sample-body h2 { font-size: 1.25em; font-weight: 700; margin: 1.6em 0 0.6em; }
.sample-body h3 { font-size: 1.05em; font-weight: 600; margin: 1.4em 0 0.5em; }
.sample-body strong { font-weight: 700; }
.sample-body em { font-style: italic; }
.sample-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.sample-body ul, .sample-body ol { padding-left: 1.4em; margin-bottom: 1.2em; }
.sample-body li { margin-bottom: 0.35em; }
.sample-body code {
  font-family: 'Fira Code', monospace;
  font-size: 0.88em;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
}
.sample-body pre {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  margin-bottom: 1.2em;
}
.sample-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.85em;
}
.sample-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 10px 18px;
  margin: 1.4em 0;
  background: var(--accent-glow);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--text-primary);
}
.sample-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.8em 0;
}

/* -- About Dialog ------------------------------------------- */
#about-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 300;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
#about-overlay.open { display: flex; }

.about-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px 28px;
  max-width: 420px;
  width: calc(100% - 32px);
  box-shadow: var(--shadow);
  position: relative;
  animation: dialogIn 0.22s cubic-bezier(.4,0,.2,1);
}
@keyframes dialogIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

.about-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.about-logo .logo-icon { width: 44px; height: 44px; font-size: 24px; border-radius: 10px; }
.about-logo .logo-name { font-size: 1.4rem; }

.about-dialog p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 12px;
}
.about-dialog p:last-of-type { margin-bottom: 24px; }

.about-dialog a { color: var(--accent); text-decoration: none; }
.about-dialog a:hover { text-decoration: underline; }

.about-close {
  position: absolute;
  top: 14px; right: 14px;
}

.about-footer {
  display: flex;
  justify-content: flex-end;
}

.btn-primary {
  padding: 9px 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

/* -- Mobile Sidebar Toggle ---------------------------------- */
#sidebar-toggle {
  display: none;
}

/* -- Filter Pills ------------------------------------------- */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
  line-height: 1;
}

.filter-pill:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.filter-pill.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

/* -- Scrollbar ---------------------------------------------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* -- Responsive --------------------------------------------- */
@media (max-width: 768px) {
  #app {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main";
  }

  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100dvh;
    width: min(var(--sidebar-w), 88vw);
    transform: translateX(-110%);
    z-index: 90;
    padding-top: calc(var(--header-h) + 16px);
    box-shadow: var(--shadow);
  }

  #sidebar.open {
    transform: translateX(0);
  }

  #sidebar-overlay.open {
    display: block;
  }

  #sidebar-toggle {
    display: flex;
  }

  #main {
    padding: 24px 20px 48px;
  }

  #sample-headline {
    font-size: max(var(--headline-size, 2rem), 1.6rem);
  }
}

@media (max-width: 480px) {
  #main { padding: 20px 16px 48px; }
}