@layer wsk;

@layer wsk {
  :root {
    color-scheme: light;
    --canvas: #f7f8fb;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-soft: #f1f3f7;
    --border: #e0e4eb;
    --border-strong: #98a2b1;
    --text: #151b2b;
    --muted: #626d7f;
    --muted-soft: #8791a1;
    --accent: #4f46e5;
    --focus: #2563eb;
    --brand: #4f46e5;
    --on-brand: #ffffff;
    --radius-sm: 7px;
    --radius: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 2px rgb(15 23 42 / 5%);
    --shadow-hover: 0 14px 32px rgb(15 23 42 / 10%);
  }

  [data-theme="dark"] {
    color-scheme: dark;
    --canvas: #090e19;
    --surface: #111827;
    --surface-raised: #151d2f;
    --surface-soft: #1b2335;
    --border: #2d374b;
    --border-strong: #5b677c;
    --text: #f1f5f9;
    --muted: #b4bfce;
    --muted-soft: #8490a3;
    --accent: #a5b4fc;
    --focus: #93c5fd;
    --brand: #6366f1;
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 18%);
    --shadow-hover: 0 16px 36px rgb(0 0 0 / 32%);
  }

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

  html {
    background: var(--canvas);
    scroll-behavior: smooth;
  }

  body,
  h1,
  h2,
  p,
  ul {
    margin: 0;
  }

  body {
    background:
      radial-gradient(circle at 50% -18rem, color-mix(in srgb, var(--brand) 7%, transparent), transparent 34rem),
      var(--canvas);
    color: var(--text);
    font-family:
      ui-sans-serif,
      system-ui,
      -apple-system,
      BlinkMacSystemFont,
      "Segoe UI",
      "PingFang SC",
      "Microsoft YaHei",
      sans-serif;
    font-synthesis: none;
    line-height: 1.5;
    min-height: 100vh;
    min-height: 100dvh;
    text-rendering: optimizeLegibility;
  }

  button {
    color: inherit;
    cursor: pointer;
    font: inherit;
  }

  a {
    color: var(--accent);
  }

  h1,
  h2 {
    letter-spacing: -0.035em;
    line-height: 1.12;
  }

  h1 {
    font-size: clamp(2.35rem, 6vw, 4.8rem);
    font-weight: 790;
    max-width: 14ch;
    text-wrap: balance;
  }

  h2 {
    font-size: clamp(1.15rem, 2vw, 1.55rem);
    font-weight: 760;
  }

  svg {
    display: block;
  }

  :focus-visible {
    outline: 3px solid color-mix(in srgb, var(--focus) 72%, transparent);
    outline-offset: 3px;
  }

  .wsk-skip-link {
    background: var(--text);
    border-radius: var(--radius-sm);
    color: var(--surface);
    left: 1rem;
    padding: 0.625rem 0.875rem;
    position: fixed;
    text-decoration: none;
    top: 1rem;
    transform: translateY(calc(-100% - 2rem));
    transition: transform 140ms ease;
    z-index: 100;
  }

  .wsk-skip-link:focus {
    transform: translateY(0);
  }

  .wsk-icon-sprite {
    height: 0;
    position: absolute;
    width: 0;
  }

  .wsk-icon {
    fill: none;
    flex: 0 0 auto;
    height: 1rem;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
    width: 1rem;
  }

  .wsk-topbar {
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    background: color-mix(in srgb, var(--canvas) 86%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--border) 76%, transparent);
  }

  .wsk-topbar-inner {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 70rem;
    min-height: 4.25rem;
    padding: 0 1.375rem;
  }

  .wsk-brand {
    align-items: center;
    color: var(--text);
    display: inline-flex;
    gap: 0.75rem;
    text-decoration: none;
  }

  .wsk-brand-mark {
    align-items: center;
    background: var(--brand);
    border-radius: 10px;
    box-shadow:
      inset 0 0 0 1px rgb(255 255 255 / 16%),
      0 5px 16px color-mix(in srgb, var(--brand) 24%, transparent);
    color: var(--on-brand);
    display: flex;
    font-size: 0.8rem;
    font-weight: 850;
    height: 2.125rem;
    justify-content: center;
    letter-spacing: -0.04em;
    width: 2.125rem;
  }

  .wsk-brand-copy,
  .wsk-brand-copy strong,
  .wsk-brand-copy span {
    display: block;
  }

  .wsk-brand-copy strong {
    font-size: 0.9rem;
    letter-spacing: -0.015em;
  }

  .wsk-brand-copy span {
    color: var(--muted);
    font-size: 0.7rem;
    margin-top: 0.05rem;
  }

  .wsk-topbar-actions,
  .wsk-header-link {
    align-items: center;
    display: flex;
  }

  .wsk-topbar-actions {
    gap: 0.5rem;
  }

  .wsk-project-count {
    color: var(--muted);
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
    margin-right: 0.35rem;
  }

  .wsk-header-link {
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--muted);
    gap: 0.4rem;
    min-height: 2.5rem;
    padding: 0 0.7rem;
    text-decoration: none;
    transition:
      background-color 140ms ease,
      border-color 140ms ease,
      color 140ms ease;
  }

  .wsk-header-link span {
    font-size: 0.78rem;
    font-weight: 680;
  }

  .wsk-icon-button {
    align-items: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--muted);
    display: inline-flex;
    height: 2.5rem;
    justify-content: center;
    padding: 0;
    transition:
      background-color 140ms ease,
      border-color 140ms ease,
      color 140ms ease,
      transform 100ms ease;
    width: 2.5rem;
  }

  .wsk-header-link:hover,
  .wsk-icon-button:hover {
    background: var(--surface-soft);
    border-color: var(--border);
    color: var(--text);
  }

  .wsk-icon-button:active {
    transform: scale(0.94);
  }

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

  [data-theme="dark"] .wsk-theme-moon {
    display: block;
  }

  .wsk-page {
    margin: 0 auto;
    max-width: 70rem;
    padding: 0 1.375rem 1.5rem;
  }

  .wsk-intro {
    padding: clamp(3.5rem, 3vw, 6.5rem) 0 clamp(2rem, 5vw, 3.75rem);
  }

  .wsk-eyebrow {
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 780;
    letter-spacing: 0.12em;
    margin-bottom: 0.9rem;
  }

  .wsk-intro-copy {
    color: var(--muted);
    font-size: clamp(1rem, 2vw, 1.12rem);
    line-height: 1.7;
    margin-top: 1.25rem;
    max-width: 48rem;
  }

  .wsk-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
  }

  .wsk-stack span {
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 680;
    padding: 0.28rem 0.65rem;
  }

  .wsk-project-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    scroll-margin-top: 1rem;
  }

  .wsk-project-card {
    --tone-a: var(--surface);
    --tone-b: var(--surface-soft);
    --tone-border: var(--border);
    --tone: var(--accent);
    background: linear-gradient(140deg, var(--tone-a), var(--tone-b));
    border: 1px solid var(--tone-border);
    border-radius: var(--radius-lg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    isolation: isolate;
    justify-content: space-between;
    min-width: 0;
    overflow: hidden;
    padding: 1.35rem;
    position: relative;
    text-decoration: none;
    transition:
      border-color 180ms ease,
      box-shadow 180ms ease,
      transform 180ms ease;
  }

  .wsk-project-card::after {
    background: radial-gradient(circle, color-mix(in srgb, var(--tone) 12%, transparent), transparent 68%);
    border-radius: 50%;
    content: "";
    height: 13rem;
    pointer-events: none;
    position: absolute;
    right: -5rem;
    top: -6rem;
    width: 13rem;
    z-index: -1;
  }

  .wsk-project-card > * {
    min-width: 0;
  }

  .wsk-project-card.wsk-is-pressed {
    transform: scale(0.988);
  }

  .wsk-card-featured {
    grid-column: span 8;
    min-height: 17rem;
  }

  .wsk-card-tall {
    grid-column: span 4;
    min-height: 17rem;
  }

  .wsk-card-banner {
    grid-column: 1 / -1;
    min-height: 8.75rem;
    padding-right: 7.25rem;
  }

  .wsk-card-wide {
    grid-column: span 6;
    min-height: 10.25rem;
  }

  .wsk-card-small {
    grid-column: span 4;
    min-height: 10.5rem;
  }

  .wsk-card-featured .wsk-card-body {
    display: grid;
    gap: 1.4rem;
    grid-template-columns: minmax(0, 1.18fr) minmax(12rem, 0.82fr);
  }

  .wsk-card-banner .wsk-card-body {
    align-items: center;
    display: grid;
    gap: 1.5rem;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .wsk-card-kicker {
    align-items: center;
    color: var(--tone);
    display: flex;
    font-size: 0.7rem;
    font-weight: 780;
    gap: 0.48rem;
    letter-spacing: 0.07em;
    margin-bottom: 0.85rem;
    text-transform: uppercase;
  }

  .wsk-card-icon {
    align-items: center;
    background: color-mix(in srgb, var(--tone) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--tone) 18%, transparent);
    border-radius: 7px;
    display: inline-flex;
    height: 1.8rem;
    justify-content: center;
    width: 1.8rem;
  }

  .wsk-card-primary p {
    color: var(--muted);
    font-size: 0.86rem;
    line-height: 1.68;
    margin-top: 0.7rem;
    max-width: 48rem;
  }

  .wsk-card-details {
    border-left: 1px solid color-mix(in srgb, var(--tone) 26%, transparent);
    padding-left: 1.35rem;
  }

  .wsk-detail-label {
    color: var(--tone);
    display: block;
    font-size: 0.68rem;
    font-weight: 760;
    letter-spacing: 0.06em;
    margin-bottom: 0.55rem;
    text-transform: uppercase;
  }

  .wsk-card-details ul {
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.75;
    list-style: none;
    padding: 0;
  }

  .wsk-card-details li {
    align-items: center;
    display: flex;
    gap: 0.5rem;
  }

  .wsk-card-details li::before {
    background: var(--tone);
    border-radius: 50%;
    content: "";
    height: 0.3rem;
    opacity: 0.8;
    width: 0.3rem;
  }

  .wsk-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1rem;
  }

  .wsk-card-banner .wsk-card-tags {
    justify-content: flex-end;
    margin-top: 0;
  }

  .wsk-card-tags span,
  .wsk-status {
    background: color-mix(in srgb, var(--tone) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--tone) 15%, transparent);
    border-radius: 999px;
    color: var(--tone);
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.24rem 0.55rem;
  }

  .wsk-card-footer,
  .wsk-card-link {
    align-items: center;
    display: flex;
  }

  .wsk-card-footer {
    color: var(--tone);
    justify-content: space-between;
    margin-top: 1.25rem;
  }

  .wsk-card-link {
    font-size: 0.72rem;
    font-weight: 760;
    gap: 0.3rem;
  }

  .wsk-card-link .wsk-icon,
  .wsk-card-footer > .wsk-icon {
    transition: transform 160ms ease;
  }

  .wsk-card-corner {
    color: var(--tone);
    position: absolute;
    right: 1.35rem;
    top: 1.35rem;
  }

  .wsk-tone-indigo {
    --tone-a: #eef2ff;
    --tone-b: #e0e7ff;
    --tone-border: #c7d2fe;
    --tone: #4338ca;
  }

  .wsk-tone-rose {
    --tone-a: #fff1f2;
    --tone-b: #fce7f3;
    --tone-border: #fecdd3;
    --tone: #9f1239;
  }

  .wsk-tone-cyan {
    --tone-a: #ecfeff;
    --tone-b: #cffafe;
    --tone-border: #a5f3fc;
    --tone: #155e75;
  }

  .wsk-tone-amber {
    --tone-a: #fffbeb;
    --tone-b: #fef3c7;
    --tone-border: #fde68a;
    --tone: #92400e;
  }

  .wsk-tone-slate {
    --tone-a: #f8fafc;
    --tone-b: #eef2f7;
    --tone-border: #cbd5e1;
    --tone: #334155;
  }

  .wsk-tone-violet {
    --tone-a: #f5f3ff;
    --tone-b: #ede9fe;
    --tone-border: #ddd6fe;
    --tone: #5b21b6;
  }

  .wsk-tone-green {
    --tone-a: #f0fdf4;
    --tone-b: #dcfce7;
    --tone-border: #bbf7d0;
    --tone: #166534;
  }

  .wsk-tone-orange {
    --tone-a: #fff7ed;
    --tone-b: #ffedd5;
    --tone-border: #fed7aa;
    --tone: #9a3412;
  }

  .wsk-tone-blue {
    --tone-a: #eff6ff;
    --tone-b: #dbeafe;
    --tone-border: #bfdbfe;
    --tone: #1d4ed8;
  }

  [data-theme="dark"] .wsk-tone-indigo {
    --tone-a: #171b36;
    --tone-b: #22284f;
    --tone-border: #3f4781;
    --tone: #a5b4fc;
  }

  [data-theme="dark"] .wsk-tone-rose {
    --tone-a: #2b1723;
    --tone-b: #3a1d2d;
    --tone-border: #63304a;
    --tone: #f9a8d4;
  }

  [data-theme="dark"] .wsk-tone-cyan {
    --tone-a: #10262b;
    --tone-b: #15353e;
    --tone-border: #285665;
    --tone: #67e8f9;
  }

  [data-theme="dark"] .wsk-tone-amber {
    --tone-a: #2b2211;
    --tone-b: #3a2c0c;
    --tone-border: #5e4818;
    --tone: #fcd34d;
  }

  [data-theme="dark"] .wsk-tone-slate {
    --tone-a: #151b25;
    --tone-b: #1e2633;
    --tone-border: #384457;
    --tone: #cbd5e1;
  }

  [data-theme="dark"] .wsk-tone-violet {
    --tone-a: #211832;
    --tone-b: #2b2041;
    --tone-border: #4b3a6c;
    --tone: #c4b5fd;
  }

  [data-theme="dark"] .wsk-tone-green {
    --tone-a: #10261c;
    --tone-b: #153425;
    --tone-border: #28563d;
    --tone: #86efac;
  }

  [data-theme="dark"] .wsk-tone-orange {
    --tone-a: #2d1d12;
    --tone-b: #3b2614;
    --tone-border: #634225;
    --tone: #fdba74;
  }

  [data-theme="dark"] .wsk-tone-blue {
    --tone-a: #101f35;
    --tone-b: #142b49;
    --tone-border: #294a76;
    --tone: #93c5fd;
  }

  .wsk-footer {
    margin-top: 2rem;
    padding: 0 1.375rem 2rem;
  }

  .wsk-footer-inner {
    align-items: center;
    border-top: 1px solid var(--border);
    color: var(--muted);
    display: flex;
    font-size: 0.72rem;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 67.25rem;
    padding-top: 1.4rem;
  }

  .wsk-footer a {
    align-items: center;
    color: inherit;
    display: flex;
    gap: 0.35rem;
    text-decoration: none;
  }

  .wsk-footer a:hover {
    color: var(--text);
  }

  @media (hover: hover) and (pointer: fine) {
    .wsk-project-card:hover {
      border-color: color-mix(in srgb, var(--tone) 46%, var(--tone-border));
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }

    .wsk-project-card:hover .wsk-card-link .wsk-icon,
    .wsk-project-card:hover .wsk-card-footer > .wsk-icon {
      transform: translate(2px, -2px);
    }
  }

  @media (max-width: 56rem) {
    .wsk-card-featured,
    .wsk-card-tall,
    .wsk-card-banner {
      grid-column: 1 / -1;
    }

    .wsk-card-wide,
    .wsk-card-small {
      grid-column: span 6;
    }

    .wsk-card-tall {
      min-height: 14rem;
    }

    .wsk-card-small:last-child {
      grid-column: 1 / -1;
    }
  }

  @media (max-width: 42rem) {
    .wsk-topbar-inner,
    .wsk-page {
      padding-left: 1rem;
      padding-right: 1rem;
    }

    .wsk-project-count,
    .wsk-header-link span,
    .wsk-brand-copy span {
      display: none;
    }

    .wsk-header-link {
      padding: 0;
      width: 2.5rem;
      justify-content: center;
    }

    .wsk-intro {
      padding-bottom: 2.25rem;
      padding-top: 3.5rem;
    }

    .wsk-project-grid {
      grid-template-columns: 1fr;
    }

    .wsk-card-featured,
    .wsk-card-tall,
    .wsk-card-banner,
    .wsk-card-wide,
    .wsk-card-small,
    .wsk-card-small:last-child {
      grid-column: 1;
      min-height: 0;
    }

    .wsk-project-card {
      padding: 1.15rem;
    }

    .wsk-card-featured .wsk-card-body,
    .wsk-card-banner .wsk-card-body {
      display: block;
    }

    .wsk-card-details {
      border-left: 0;
      border-top: 1px solid color-mix(in srgb, var(--tone) 26%, transparent);
      margin-top: 1.2rem;
      padding-left: 0;
      padding-top: 1rem;
    }

    .wsk-card-banner {
      padding-right: 1.15rem;
    }

    .wsk-card-banner .wsk-card-tags {
      justify-content: flex-start;
      margin-top: 1rem;
      padding-right: 4.5rem;
    }

    .wsk-card-corner {
      bottom: 1.15rem;
      right: 1.15rem;
      top: auto;
    }

    .wsk-footer {
      padding-left: 1rem;
      padding-right: 1rem;
    }

    .wsk-footer-inner {
      align-items: flex-start;
      flex-direction: column;
      gap: 0.6rem;
    }
  }

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

    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      transition-duration: 0.01ms !important;
    }
  }
}