/* ============================================================
   AI Engineering from Scratch — Course Website
   Anthropic-inspired palette: Coral #D97757, Navy #191A23
   ============================================================ */

:root, [data-theme="light"] {
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;

  --color-bg: #FAF9F7;
  --color-surface: #ffffff;
  --color-surface-2: #F0EFEB;
  --color-border: #DDD9D3;
  --color-text: #191A23;
  --color-text-muted: #5C5B57;
  --color-text-faint: #9C9B97;
  --color-accent: #D97757;
  --color-accent-hover: #C4613F;
  --color-accent-soft: rgba(217, 119, 87, 0.1);
  --color-complete: #3D8B6E;
  --color-progress: #C9952B;
  --color-planned: #9C9B97;

  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl:  clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-wide: 1200px;
}

[data-theme="dark"] {
  --color-bg: #191A23;
  --color-surface: #1E1F2A;
  --color-surface-2: #262735;
  --color-border: #32333F;
  --color-text: #E8E6E3;
  --color-text-muted: #908F8B;
  --color-text-faint: #555460;
  --color-accent: #E08B6D;
  --color-accent-hover: #D97757;
  --color-accent-soft: rgba(224, 139, 109, 0.12);
  --color-complete: #5AB88F;
  --color-progress: #E0B84A;
  --color-planned: #555460;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #191A23;
    --color-surface: #1E1F2A;
    --color-surface-2: #262735;
    --color-border: #32333F;
    --color-text: #E8E6E3;
    --color-text-muted: #908F8B;
    --color-text-faint: #555460;
    --color-accent: #E08B6D;
    --color-accent-hover: #D97757;
    --color-accent-soft: rgba(224, 139, 109, 0.12);
    --color-complete: #5AB88F;
    --color-progress: #E0B84A;
    --color-planned: #555460;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
}
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }
h1,h2,h3,h4 { line-height: 1.15; text-wrap: balance; }
p { max-width: 72ch; text-wrap: pretty; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-text);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.header--scrolled { border-bottom-color: var(--color-border); }
.header--hidden { transform: translateY(-100%); }

.header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.header__logo:hover { color: var(--color-accent); }

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.header__nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.header__nav a:hover { color: var(--color-text); }

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

.header__theme {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.header__theme:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.hide-mobile { display: inline; }
@media (max-width: 640px) {
  .hide-mobile { display: none; }
  .header__nav { gap: var(--space-4); }
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(var(--space-16), 10vw, var(--space-24)) var(--space-6);
  text-align: center;
}
.hero__inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
  letter-spacing: 0.02em;
}
.hero__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-6);
}
.hero__accent {
  color: var(--color-accent);
}
.hero__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}
.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stat__num {
  font-size: var(--text-xl);
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-accent);
  letter-spacing: -0.03em;
}
.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 8%, transparent), transparent 70%);
  pointer-events: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  text-decoration: none;
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
}
.btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.section-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
  text-align: center;
}
.section-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  text-align: center;
  margin: 0 auto var(--space-10);
  max-width: 560px;
}

.diff {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-6);
}
.diff__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.diff__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}
.diff__card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}
.diff__card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.diff__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.diff__card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.diff__card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.phases {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-6);
  background: var(--color-surface);
}
.phases__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.phases__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.phase-card {
  text-align: left;
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.phase-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.phase-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}
.phase-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-faint);
}
.phase-card__status {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.phase--complete .phase-card__status {
  color: var(--color-complete);
  background: color-mix(in srgb, var(--color-complete) 12%, transparent);
}
.phase--progress .phase-card__status {
  color: var(--color-progress);
  background: color-mix(in srgb, var(--color-progress) 12%, transparent);
}
.phase--planned .phase-card__status {
  color: var(--color-text-faint);
  background: color-mix(in srgb, var(--color-text-faint) 12%, transparent);
}

.phase-card__name {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}
.phase-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.phase-card__bar-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.phase-card__bar {
  flex: 1;
  height: 4px;
  background: var(--color-surface-2);
  border-radius: 2px;
  overflow: hidden;
}
.phase-card__bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 0.6s ease;
}
.phase-card__pct {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: nowrap;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.modal[aria-hidden="false"] {
  pointer-events: auto;
  opacity: 1;
}
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}
.modal__content {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.3);
}
.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
}
.modal__phase-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.modal__title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.modal__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.modal__close:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}
.modal__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.modal__progress-bar {
  height: 6px;
  background: var(--color-surface-2);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--space-2);
}
.modal__progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 3px;
  transition: width 0.5s ease;
}
.modal__progress-text {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  display: block;
  margin-bottom: var(--space-6);
}

.modal__lessons {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lesson-row {
  display: grid;
  grid-template-columns: 20px 28px 1fr auto auto;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition);
}
a.lesson-row:hover {
  background: var(--color-accent-soft);
  color: var(--color-text);
}
.lesson-row:not(a):hover {
  background: var(--color-surface-2);
}

.lesson-row__icon {
  font-size: 14px;
  text-align: center;
}
.lesson--done .lesson-row__icon { color: var(--color-complete); }
.lesson--wip .lesson-row__icon { color: var(--color-progress); }
.lesson--planned .lesson-row__icon { color: var(--color-planned); }

.lesson-row__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.lesson-row__name {
  font-weight: 500;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lesson--planned .lesson-row__name { color: var(--color-text-muted); }

.lesson-row__type {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  white-space: nowrap;
}
.lesson-row__lang {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: nowrap;
}

@media (max-width: 640px) {
  .lesson-row {
    grid-template-columns: 20px 28px 1fr;
  }
  .lesson-row__type, .lesson-row__lang { display: none; }
  .modal__content { padding: var(--space-6); }
}

.roadmap {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-6);
}
.roadmap__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.roadmap__bar-container {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.roadmap__bar {
  flex: 1;
  height: 8px;
  background: var(--color-surface-2);
  border-radius: 4px;
  overflow: hidden;
}
.roadmap__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), color-mix(in srgb, var(--color-accent) 60%, #F4A27A));
  border-radius: 4px;
  transition: width 1s ease;
}
.roadmap__pct {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
}

.roadmap__timeline {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-3);
}

.rm-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition);
}
.rm-item:hover { border-color: var(--color-accent); }

.rm-item__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}
.rm--complete .rm-item__dot { background: var(--color-complete); }
.rm--progress .rm-item__dot { background: var(--color-progress); }
.rm--planned .rm-item__dot { background: var(--color-planned); }

.rm-item__body { flex: 1; min-width: 0; }
.rm-item__label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
  display: block;
}
.rm-item__name {
  font-size: var(--text-sm);
  font-weight: 600;
  display: block;
  margin-bottom: var(--space-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rm-item__bar {
  height: 3px;
  background: var(--color-surface-2);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--space-1);
}
.rm-item__fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
}
.rm-item__stat {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
}

.how {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-6);
  background: var(--color-surface);
}
.how__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.how__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-4);
}
.how__step {
  padding: var(--space-6) var(--space-4);
  text-align: center;
}
.how__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.3;
  display: block;
  margin-bottom: var(--space-3);
  line-height: 1;
}
.how__step h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.how__step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0 auto;
  line-height: 1.5;
}

.glossary {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-6);
}
.glossary__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.glossary__search-wrap {
  max-width: 400px;
  margin: 0 auto var(--space-8);
}
.glossary__search {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: border-color var(--transition);
}
.glossary__search:focus { border-color: var(--color-accent); }
.glossary__search::placeholder { color: var(--color-text-faint); }

.glossary__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}
.gloss-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition);
}
.gloss-card:hover { border-color: var(--color-accent); }
.gloss-card__term {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  font-family: var(--font-mono);
  color: var(--color-accent);
}
.gloss-card__row {
  margin-bottom: var(--space-3);
}
.gloss-card__row:last-child { margin-bottom: 0; }
.gloss-card__label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  display: block;
  margin-bottom: var(--space-1);
}
.gloss-card__row p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

.cta {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-6);
  background: var(--color-surface);
  text-align: center;
}
.cta__inner {
  max-width: 600px;
  margin: 0 auto;
}
.cta h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
}
.cta__code {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}
.cta__code code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  flex: 1;
  white-space: nowrap;
}
.cta__copy {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.cta__copy:hover { color: var(--color-text); }
.cta__prereq {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0 auto var(--space-6);
}
.cta__links {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.footer {
  padding: var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-border);
}
.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__attr a {
  color: var(--color-text-faint);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer__attr a:hover { color: var(--color-accent); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-faint); }