/* ==========================================================================
   TimerHub — Components
   ========================================================================== */

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.85em 1.6em;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-standard),
              background var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-fast) var(--ease-standard),
              color var(--dur-fast) var(--ease-standard);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--color-ink);
  color: var(--color-bg);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-ink-soft);
  color: var(--color-bg);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active { transform: translateY(0); }

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-accent:hover { background: var(--color-accent-strong); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover {
  border-color: var(--color-ink);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-ink-soft);
  padding: 0.7em 1.1em;
}
.btn-ghost:hover { color: var(--color-ink); background: var(--color-bg-alt); }

.btn-icon {
  padding: 0;
  width: 46px; height: 46px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-ink);
}
.btn-icon:hover { border-color: var(--color-ink); transform: translateY(-1px); }
.btn-icon.is-active { background: var(--color-accent-soft); border-color: var(--color-accent); color: var(--color-accent-strong); }

.btn-lg { padding: 1em 2em; font-size: var(--fs-md); }
.btn-sm { padding: 0.55em 1.1em; font-size: var(--fs-xs); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(250, 249, 246, 0.7);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: height var(--dur-med) var(--ease-standard),
              background var(--dur-med) var(--ease-standard),
              border-color var(--dur-med) var(--ease-standard),
              box-shadow var(--dur-med) var(--ease-standard),
              backdrop-filter var(--dur-med) var(--ease-standard);
}
.site-header.is-scrolled {
  height: var(--header-h-scrolled);
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(10px);
  border-color: var(--color-border);
  box-shadow: 0 4px 24px rgba(35,33,30,0.05);
}

.header-inner {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-ink);
}
.brand .brand-mark {
  width: 34px; height: 34px;
  color: var(--color-accent);
}

.main-nav { display: flex; align-items: center; gap: var(--space-2xl); }
.nav-links { display: flex; align-items: center; gap: var(--space-xl); }
.nav-links a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-ink-soft);
  position: relative;
  padding-block: 6px;
  transition: color var(--dur-fast) var(--ease-standard);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-accent);
  transition: right var(--dur-med) var(--ease-out);
}
.nav-links a:hover { color: var(--color-ink); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { right: 0; }
.nav-links a[aria-current="page"] { color: var(--color-ink); }

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

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  transition: all var(--dur-fast) var(--ease-standard);
  cursor: pointer;
}
.menu-toggle:hover { border-color: var(--color-ink); }
.menu-toggle.is-active {
  background: var(--color-bg-alt);
  border-color: var(--color-ink);
}
.menu-toggle svg { width: 20px; height: 20px; transition: transform var(--dur-med) var(--ease-standard); }

.mobile-drawer {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), visibility 0s var(--dur-med), top var(--dur-med) var(--ease-standard);
}
.site-header.is-scrolled ~ .mobile-drawer {
  top: var(--header-h-scrolled);
}
.mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), visibility 0s;
}
.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}
.drawer-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5em 1.05em 0.5em 0.8em;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xs);
  transition: all var(--dur-fast) var(--ease-standard);
  cursor: pointer;
}
.drawer-back-btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.drawer-back-btn:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-ink);
  transform: translateX(-2px);
}
.drawer-back-btn:hover svg {
  transform: translateX(-2px);
}
.drawer-title {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}
.mobile-drawer nav { display: flex; flex-direction: column; }
.mobile-drawer a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-ink);
  transition: color var(--dur-fast);
}
.mobile-drawer a:hover,
.mobile-drawer a[aria-current="page"] {
  color: var(--color-accent);
}
.mobile-drawer .btn { margin-top: var(--space-md); }

/* ---------- Page Back Navigation ---------- */

.page-back-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: var(--space-md);
  width: 100%;
}

.page-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.45em 0.95em 0.45em 0.75em;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-ink-soft);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xs);
  transition: all var(--dur-fast) var(--ease-standard);
  text-decoration: none;
  cursor: pointer;
}
.page-back-btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.page-back-btn:hover {
  color: var(--color-ink);
  background: var(--color-bg-alt);
  border-color: var(--color-border-strong);
  transform: translateX(-2px);
  box-shadow: var(--shadow-sm);
}
.page-back-btn:hover svg {
  transform: translateX(-2px);
}
.page-back-btn:active {
  transform: translateX(0);
}

@media (max-width: 900px) {
  .nav-links, .header-actions .btn-accent { display: none; }
  .menu-toggle { display: inline-flex; }
}
@media (max-width: 480px) {
  .header-inner { padding-inline: var(--space-md); gap: var(--space-sm); }
  .brand { font-size: 1.25rem; }
  .brand .brand-mark { width: 30px; height: 30px; }
  .mobile-drawer { padding: var(--space-md); padding-bottom: max(var(--space-2xl), env(safe-area-inset-bottom, 24px)); }
  .mobile-drawer a { font-size: 1.3rem; padding-block: var(--space-xs); }
}
@media (max-width: 360px) {
  .header-inner { padding-inline: var(--space-sm); }
  .brand { font-size: 1.15rem; }
  .brand .brand-mark { width: 26px; height: 26px; }
}

/* ---------- Cards ---------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
}

/* ---------- Organic Illustrated Tool Cards & Logos (Editorial Aesthetic) ---------- */

:root {
  --tool-blob-outer: #FCEADE;
  --tool-blob-inner: #F6D0BA;
  --tool-glyph: #9C512D;
  --tool-card-corner-blob: radial-gradient(circle at 100% 0%, #FAF0E7 0%, rgba(250, 240, 231, 0.45) 55%, transparent 72%);
  --tool-card-cta-bg: #FBF1EB;
  --tool-card-cta-color: #9C512D;
  --tool-card-cta-hover-bg: #F5DECFA;
}

[data-theme="dark"] {
  --tool-blob-outer: rgba(224, 125, 74, 0.20);
  --tool-blob-inner: rgba(224, 125, 74, 0.35);
  --tool-glyph: #F29563;
  --tool-card-corner-blob: radial-gradient(circle at 100% 0%, rgba(224, 125, 74, 0.14) 0%, rgba(224, 125, 74, 0.04) 55%, transparent 72%);
  --tool-card-cta-bg: rgba(224, 125, 74, 0.15);
  --tool-card-cta-color: #F29563;
  --tool-card-cta-hover-bg: rgba(224, 125, 74, 0.25);
}

.tool-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: 30px 28px 26px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  box-shadow: 0 4px 16px rgba(35, 33, 30, 0.03), 0 1px 3px rgba(35, 33, 30, 0.02);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
  text-decoration: none;
  height: 100%;
}

/* Faint organic top-right corner blush */
.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  background: var(--tool-card-corner-blob);
  border-radius: 0 24px 0 100px;
  pointer-events: none;
  transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-med) var(--ease-out);
}

.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 38px -6px rgba(180, 99, 58, 0.14), 0 4px 14px rgba(35, 33, 30, 0.04);
  border-color: rgba(180, 99, 58, 0.35);
}

.tool-card:hover::before {
  transform: scale(1.12);
  opacity: 0.9;
}

/* Tool icon container */
.tool-card .tool-icon {
  width: 96px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 0;
  margin-bottom: 2px;
  transition: transform var(--dur-med) var(--ease-out);
}

.tool-card .tool-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
  filter: drop-shadow(0 4px 12px rgba(180, 99, 58, 0.09));
  transition: transform var(--dur-med) var(--ease-out);
}

.tool-card:hover .tool-icon svg {
  transform: scale(1.05) translateY(-2px);
}

/* SVG classes */
.logo-badge .blob-outer {
  fill: var(--tool-blob-outer);
  transition: fill var(--dur-fast) var(--ease-standard);
}
.logo-badge .blob-inner {
  fill: var(--tool-blob-inner);
  transition: fill var(--dur-fast) var(--ease-standard);
}
.logo-badge .icon-stroke {
  stroke: var(--tool-glyph);
  transition: stroke var(--dur-fast) var(--ease-standard);
}
.logo-badge .icon-glyph {
  fill: var(--tool-glyph);
  transition: fill var(--dur-fast) var(--ease-standard);
}
.logo-badge .icon-accent {
  fill: var(--tool-glyph);
  stroke: var(--tool-glyph);
  transition: all var(--dur-fast) var(--ease-standard);
}

.tool-card h3 {
  font-size: 1.34rem;
  font-weight: 750;
  color: var(--color-ink);
  letter-spacing: -0.015em;
  margin: 0;
}

.tool-card p {
  font-size: 0.90rem;
  line-height: 1.54;
  color: var(--color-ink-muted);
  margin: 0;
  flex: 1;
}

/* Pill-shaped CTA button matching screenshot */
.tool-card .card-cta {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: var(--tool-card-cta-bg);
  color: var(--tool-card-cta-color);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid rgba(180, 99, 58, 0.12);
  transition: all var(--dur-fast) var(--ease-standard);
  margin-top: var(--space-xs);
}

.tool-card .card-cta svg,
.tool-card .card-cta .cta-arrow {
  width: 14px;
  height: 14px;
  transition: transform var(--dur-fast) var(--ease-standard);
}

.tool-card:hover .card-cta {
  background: var(--tool-card-cta-hover-bg);
  color: var(--tool-glyph);
  border-color: rgba(180, 99, 58, 0.28);
}

.tool-card:hover .card-cta svg,
.tool-card:hover .card-cta .cta-arrow {
  transform: translateX(4px);
}

@media (max-width: 640px) {
  .tool-card {
    padding: 22px 20px 20px;
    border-radius: 20px;
    gap: var(--space-sm);
  }
  .tool-card .tool-icon {
    width: 84px;
    height: 74px;
  }
  .tool-card h3 {
    font-size: 1.2rem;
  }
}

@media (max-width: 380px) {
  .tool-card {
    padding: var(--space-md);
  }
  .tool-card .tool-icon {
    width: 76px;
    height: 66px;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  color: var(--color-ink-muted);
}
.badge-accent { background: var(--color-accent-soft); color: var(--color-accent-strong); }

.notice-box {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-ink-muted);
  line-height: 1.5;
  text-align: center;
  max-width: 52ch;
}

/* ---------- Inputs ---------- */

.field { display: flex; flex-direction: column; gap: var(--space-2xs); }
.field label { font-size: var(--fs-xs); font-weight: 600; color: var(--color-ink-soft); letter-spacing: 0.02em; }

.input, .select, textarea.input {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  padding: 0.8em 1em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-ink);
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.input:focus, .select:focus, textarea.input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.search-input-wrap { position: relative; }
.search-input-wrap svg {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--color-ink-muted);
}
.search-input-wrap .input { padding-left: 46px; }

/* ---------- Chips / filters ---------- */

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
}
@media (max-width: 480px) {
  .chip-row { gap: 8px; }
  .chip {
    font-size: 0.78rem;
    padding: 0.45em 0.9em;
    min-height: 36px;
  }
}
.chip {
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.55em 1.1em;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  transition: all var(--dur-fast) var(--ease-standard);
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  font-family: inherit;
}
.chip:hover { border-color: var(--color-ink); color: var(--color-ink); }
.chip:active { transform: scale(0.96); }
.chip.is-active { background: var(--color-ink); color: var(--color-bg); border-color: var(--color-ink); }

/* ---------- FAQ Accordion ---------- */

.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-md);
  color: var(--color-ink);
}
.faq-question .icon-plus { width: 20px; height: 20px; flex-shrink: 0; color: var(--color-accent); transition: transform var(--dur-med) var(--ease-standard); }
.faq-question[aria-expanded="true"] .icon-plus { transform: rotate(45deg); }
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-med) var(--ease-out);
}
.faq-answer > div { overflow: hidden; }
.faq-answer > div p { padding-bottom: var(--space-lg); font-size: var(--fs-sm); }
.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }

@media (max-width: 640px) {
  .faq-question {
    padding: var(--space-md) 0;
    font-size: 0.95rem;
  }
}

/* ---------- Ad slot ---------- */

.ad-slot {
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  color: var(--color-ink-faint);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  padding: var(--space-md);
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}
.ad-slot.ad-slot-wide { min-height: 120px; }
.ad-slot.ad-slot-rail { min-height: 250px; }
.ad-slot.ad-slot-break {
  grid-column: 1 / -1;
  width: 100%;
  margin-block: var(--space-xs);
}
@media (max-width: 768px) {
  .ad-slot {
    min-height: 75px;
    padding: var(--space-sm);
    font-size: 0.72rem;
  }
  .ad-slot.ad-slot-wide {
    min-height: 95px;
  }
}
@media (max-width: 480px) {
  .ad-slot {
    min-height: 65px;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.68rem;
    border-radius: var(--radius-sm);
  }
  .ad-slot.ad-slot-wide {
    min-height: 80px;
  }
}

@media (max-width: 640px) {
  section:has(> .ad-slot) {
    padding-bottom: var(--space-md) !important;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding-block: var(--space-2xl) var(--space-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-2xl);
}
.footer-brand .brand { margin-bottom: var(--space-sm); }
.footer-brand p { font-size: var(--fs-sm); max-width: 32ch; }
.footer-col h4 { font-family: var(--font-body); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-ink-muted); margin-bottom: var(--space-md); font-weight: 700; }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col a { font-size: var(--fs-sm); color: var(--color-ink-soft); transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-ink-faint);
}
.footer-bottom a,
.footer-product-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--dur-fast), text-decoration-color var(--dur-fast);
}
.footer-bottom a:hover,
.footer-product-link:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--space-sm); }
}

/* ---------- Section divider utilities ---------- */

.divider { height: 1px; background: var(--color-border); border: none; margin: 0; }

/* ---------- Toast (completion / feedback) ---------- */

.toast {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 0.9em 1.4em;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
  z-index: 500;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* ---------- Dark Theme Overrides for Header & Drawers ---------- */

[data-theme="dark"] .site-header {
  background: rgba(20, 19, 18, 0.82);
}
[data-theme="dark"] .site-header.is-scrolled {
  background: rgba(20, 19, 18, 0.95);
  border-color: var(--color-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

/* ---------- Theme Switcher Button ---------- */

.theme-toggle-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-ink);
  transition: all var(--dur-fast) var(--ease-standard);
  cursor: pointer;
  flex-shrink: 0;
}
.theme-toggle-btn:hover {
  border-color: var(--color-ink);
  transform: translateY(-1px);
}
.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  transition: transform var(--dur-med) var(--ease-out);
}
.theme-toggle-btn:hover svg {
  transform: rotate(15deg);
}

.icon-sun { display: none; }
.icon-moon { display: block; }

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* ---------- Accessibility & Modals Base ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 14, 13, 0.65);
  backdrop-filter: blur(4px);
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-med) var(--ease-out), visibility 0s var(--dur-med);
}
.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--dur-med) var(--ease-out), visibility 0s;
}

.modal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  padding: var(--space-xl);
  transform: translateY(12px) scale(0.98);
  transition: transform var(--dur-med) var(--ease-out);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-backdrop.is-open .modal-card {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}
.modal-title {
  font-family: var(--font-display);
  font-size: var(--fs-display-sm);
  color: var(--color-ink);
}
.modal-close-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-ink-muted);
  transition: all var(--dur-fast);
}
.modal-close-btn:hover {
  color: var(--color-ink);
  border-color: var(--color-ink-muted);
}

/* Keyboard Shortcuts Modal */
.shortcuts-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
}
.shortcut-desc {
  font-size: var(--fs-sm);
  color: var(--color-ink-soft);
  font-weight: 500;
}
.kbd-key {
  display: inline-block;
  padding: 0.25em 0.6em;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 700;
  line-height: 1;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}

/* Audio Settings Modal / Panel */
.audio-panel-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.setting-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.setting-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.setting-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-ink);
}
.volume-slider-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.volume-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-border-strong);
  outline: none;
}
.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: transform var(--dur-fast);
}
.volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}
.volume-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}
.sound-type-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xs);
}
.sound-choice-btn {
  padding: 0.6em 0.8em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-ink-soft);
  text-align: center;
  transition: all var(--dur-fast);
}
.sound-choice-btn:hover {
  border-color: var(--color-ink-muted);
}
.sound-choice-btn.is-selected {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
}
.sound-choice-btn.is-featured {
  grid-column: 1 / -1;
  font-weight: 700;
}

/* ---------- Cookie & Privacy Consent Banner ---------- */

.cookie-banner {
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  max-width: var(--max-width);
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-md) var(--space-lg);
  z-index: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  transform: translateY(120%);
  opacity: 0;
  transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-med) var(--ease-out);
}
.cookie-banner.is-visible {
  transform: translateY(0);
  opacity: 1;
}
.cookie-banner-text {
  font-size: var(--fs-sm);
  color: var(--color-ink-soft);
  max-width: 75ch;
  line-height: 1.5;
}
.cookie-banner-text a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.cookie-banner-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-md);
    gap: var(--space-md);
  }
  .cookie-banner-actions {
    justify-content: flex-end;
  }
}

/* ==========================================================================
   Dark Theme Component & Button Enhancements
   Ensures crystal-clear contrast and visibility across all interactive elements
   ========================================================================== */

[data-theme="dark"] .btn-secondary {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}
[data-theme="dark"] .btn-secondary:hover {
  background: #322f29;
  border-color: var(--color-ink);
  color: var(--color-ink);
}

[data-theme="dark"] .btn-ghost {
  color: var(--color-ink-soft);
}
[data-theme="dark"] .btn-ghost:hover {
  background: var(--color-surface-raised);
  color: var(--color-ink);
}

[data-theme="dark"] .btn-icon,
[data-theme="dark"] .theme-toggle-btn,
[data-theme="dark"] .menu-toggle {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}
[data-theme="dark"] .btn-icon:hover,
[data-theme="dark"] .theme-toggle-btn:hover,
[data-theme="dark"] .menu-toggle:hover {
  background: #322f29;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

[data-theme="dark"] .page-back-btn,
[data-theme="dark"] .drawer-back-btn {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}
[data-theme="dark"] .page-back-btn:hover,
[data-theme="dark"] .drawer-back-btn:hover {
  background: #322f29;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

[data-theme="dark"] .input,
[data-theme="dark"] .select,
[data-theme="dark"] textarea.input {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}
[data-theme="dark"] .input:focus,
[data-theme="dark"] .select:focus,
[data-theme="dark"] textarea.input:focus {
  border-color: var(--color-accent);
  background: var(--color-surface);
}

[data-theme="dark"] .cookie-banner {
  background: #1C1B18;
  border-color: var(--color-border-strong);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}
[data-theme="dark"] .cookie-banner-actions .btn:not(.btn-accent) {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-strong);
  color: var(--color-ink);
}
[data-theme="dark"] .cookie-banner-actions .btn:not(.btn-accent):hover {
  background: #322f29;
  border-color: var(--color-ink);
}

[data-theme="dark"] .shortcut-row {
  background: var(--color-bg-alt);
}
[data-theme="dark"] .kbd-key {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}

[data-theme="dark"] .modal-close-btn {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-ink-soft);
}
[data-theme="dark"] .modal-close-btn:hover {
  background: #322f29;
  border-color: var(--color-ink);
  color: var(--color-ink);
}

[data-theme="dark"] .sound-choice-btn {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-ink-soft);
}
[data-theme="dark"] .sound-choice-btn:hover {
  background: #322f29;
  border-color: var(--color-ink);
  color: var(--color-ink);
}
[data-theme="dark"] .sound-choice-btn.is-selected {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
}