/* Arrase Ecosystem — Master Design System (Linear / Vercel / Raycast Aesthetic) */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --in-oklab: ;
  --bg-canvas: #090a0f;
  --bg-surface: #11131a;
  --bg-surface-hover: #161924;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(129, 140, 248, 0.45);
  --text-main: #f4f4f6;
  --text-muted: #9499ad;
  --accent-primary: #818cf8;
  --accent-secondary: #38bdf8;
  --scrollbar-thumb: rgba(255, 255, 255, 0.18);
  --scrollbar-track: #090a0f;
}

@supports (background: linear-gradient(in oklab, white, black)) {
  :root {
    --in-oklab: in oklab;
  }
}

[data-md-color-scheme="slate"] {
  color-scheme: dark;
  --bg-canvas: #090a0f;
  --bg-surface: #11131a;
  --bg-surface-hover: #161924;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(129, 140, 248, 0.45);
  --text-main: #f4f4f6;
  --text-muted: #9499ad;
  --accent-primary: #818cf8;
  --accent-secondary: #38bdf8;
  --scrollbar-thumb: rgba(255, 255, 255, 0.18);
  --scrollbar-track: #090a0f;

  --md-default-bg-color: var(--bg-canvas);
  --md-default-fg-color: var(--text-main);
  --md-default-fg-color--light: var(--text-muted);
  --md-code-bg-color: #0d0f16;
  --md-primary-fg-color: var(--accent-primary);
  --md-accent-fg-color: var(--accent-secondary);
  --md-typeset-a-color: var(--accent-primary);
  --md-footer-bg-color: var(--bg-canvas);
  --md-footer-bg-color--dark: var(--bg-canvas);
}

[data-md-color-scheme="default"] {
  color-scheme: light;
  --bg-canvas: #fafafa;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f4f4f5;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(79, 70, 229, 0.40);
  --text-main: #18181b;
  --text-muted: #52525b;
  --accent-primary: #4f46e5;
  --accent-secondary: #0284c7;
  --scrollbar-thumb: rgba(0, 0, 0, 0.22);
  --scrollbar-track: #fafafa;

  --md-default-bg-color: var(--bg-canvas);
  --md-default-fg-color: var(--text-main);
  --md-default-fg-color--light: var(--text-muted);
  --md-code-bg-color: #f1f3f5;
  --md-primary-fg-color: var(--accent-primary);
  --md-accent-fg-color: var(--accent-secondary);
  --md-typeset-a-color: var(--accent-primary);
  --md-footer-bg-color: var(--bg-canvas);
  --md-footer-bg-color--dark: var(--bg-canvas);
}

/* Scrollbar Customization & Legacy WebKit Fallback */
html, body {
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
}

@supports not (scrollbar-color: auto) {
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }

  ::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 5px;
  }

  ::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }
}

/* Typography & Modern Web Guidance Compliance */
body, .md-typeset {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
}

code, pre, kbd, .md-typeset code {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-typeset th {
  text-wrap: balance;
}

.md-typeset p,
.md-typeset li,
.md-typeset blockquote {
  text-wrap: pretty;
  overflow-wrap: break-word;
}

/* Layout & Subtle Top Ambient Light */
.md-grid {
  max-width: 82rem !important;
}

.md-main {
  background: radial-gradient(ellipse 80% 40% at 50% -10%, rgba(129, 140, 248, 0.10), transparent 70%);
}

[data-md-color-scheme="default"] .md-main {
  background: radial-gradient(ellipse 80% 40% at 50% -10%, rgba(79, 70, 229, 0.06), transparent 70%);
}

.md-content__inner {
  padding-top: 1rem !important;
}

/* Integrated Glassmorphic Header & Navigation Tabs */
.md-header,
.md-tabs {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: none !important;
  color: var(--text-main) !important;
}

[data-md-color-scheme="slate"] .md-header,
[data-md-color-scheme="slate"] .md-tabs {
  background: rgba(9, 10, 15, 0.80) !important;
}

[data-md-color-scheme="default"] .md-header,
[data-md-color-scheme="default"] .md-tabs {
  background: rgba(250, 250, 250, 0.85) !important;
}

.md-header__button,
.md-header__title,
.md-header__topic,
.md-source,
.md-tabs__link {
  color: var(--text-main) !important;
}

.md-tabs__link {
  opacity: 0.72;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.md-tabs__link--active,
.md-tabs__link:hover {
  opacity: 1;
  color: var(--accent-primary) !important;
}

.md-nav--primary .md-nav__title,
.md-nav--secondary .md-nav__title,
.md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav__link {
  background: transparent !important;
  box-shadow: none !important;
  color: var(--text-muted) !important;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.md-nav__item .md-nav__link--active {
  color: var(--accent-primary) !important;
  font-weight: 600;
}

.md-footer-meta {
  background: var(--bg-canvas) !important;
  border-top: 1px solid var(--border-subtle);
}

/* Return to Portal Button (Injected on Subprojects) */
.arrase-portal-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.7rem;
  margin-right: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-main) !important;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none !important;
  white-space: nowrap;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.arrase-portal-link:hover {
  border-color: var(--border-hover);
  background: var(--bg-surface-hover);
  transform: translateX(-1px);
  color: var(--accent-primary) !important;
}

.arrase-portal-link i {
  font-size: 0.72rem;
  color: var(--accent-primary);
}

/* Search Bar — Hidden only on Root Portal, Styled Cleanly on Subprojects */
body[data-arrase-portal="true"] .md-search {
  display: none !important;
}

.md-search__form {
  background-color: var(--bg-surface) !important;
  border: 1px solid var(--border-subtle);
  border-radius: 6px !important;
  color: var(--text-main);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.md-search__form:hover {
  border-color: var(--border-hover);
}

.md-search__input {
  color: var(--text-main) !important;
  font-size: 0.82rem;
}

.md-search__input::placeholder,
.md-search__icon {
  color: var(--text-muted) !important;
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding: 2.25rem 1rem 1.75rem;
  max-width: 52rem;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--accent-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-section h1,
.md-typeset h1#life-is-the-ultimate-side-project {
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 0.75rem 0 !important;
  background: linear-gradient(135deg var(--in-oklab), var(--text-main) 20%, var(--accent-primary) 65%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

.hero-subtitle,
.md-typeset h1#life-is-the-ultimate-side-project + p {
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.15rem);
  color: var(--text-muted);
  max-width: 42rem;
  margin: 0 auto 1.25rem auto !important;
  line-height: 1.6;
  text-align: center;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.hero-badges img {
  height: 1.35rem;
  border-radius: 4px;
}

/* Category Section Headers */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin: 2.5rem 0 1rem 0;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header h2 {
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  margin: 0 !important;
  color: var(--text-main);
}

.section-header span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Projects & Features Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 2.25rem 0;
}

/* Feature Cards — Shared Base & Interactive vs Static Variants */
.feature-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.25rem 1.35rem;
  text-decoration: none !important;
  color: inherit !important;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  word-break: break-word;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg var(--in-oklab), transparent, var(--accent-primary), var(--accent-secondary), transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

a.feature-card:hover {
  transform: translateY(-2px);
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.25);
}

a.feature-card:hover::before {
  opacity: 1;
}

[data-md-color-scheme="slate"] div.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

[data-md-color-scheme="default"] div.feature-card:hover {
  border-color: rgba(0, 0, 0, 0.14);
}

/* Card Header Row (Icon + Action Badge) */
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.feature-icon {
  font-size: 1.25rem;
  color: var(--accent-primary) !important;
  margin-bottom: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  background: rgba(129, 140, 248, 0.10);
  border: 1px solid var(--border-subtle);
}

.card-top .feature-icon {
  margin-bottom: 0;
}

.card-badge {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(129, 140, 248, 0.04);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

a.feature-card:hover .card-badge {
  color: var(--accent-primary);
  border-color: var(--border-hover);
  background: rgba(129, 140, 248, 0.10);
}

/* Card Content & Tech Tags */
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text-main) !important;
  margin: 0 0 0.4rem 0 !important;
  letter-spacing: -0.01em;
  line-height: 1.35;
  transition: color 0.2s ease;
}

a.feature-card:hover h3 {
  color: var(--accent-primary) !important;
}

.feature-card p {
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0 !important;
  flex-grow: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.card-tag {
  font-family: var(--md-code-font-family, 'JetBrains Mono', monospace);
  font-size: 0.7rem;
  line-height: 1.3;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(129, 140, 248, 0.08);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

/* Documentation Content Polish (Code Blocks & Tables) */
.md-typeset pre > code {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
}

.md-typeset table:not([class]) {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-surface);
}

.md-typeset table:not([class]) th {
  background: var(--bg-surface-hover);
  color: var(--text-main);
  border-bottom: 1px solid var(--border-subtle);
}

/* High-Contrast / Forced Colors Accessibility Fallback */
@media (forced-colors: active) {
  .feature-card,
  .arrase-portal-link,
  .hero-eyebrow,
  .card-tag,
  .card-badge {
    border: 1px solid CanvasText;
  }

  .hero-section h1,
  .md-typeset h1#life-is-the-ultimate-side-project {
    background: none;
    -webkit-text-fill-color: CanvasText;
    color: CanvasText;
  }
}

/* Responsive Breakpoints */
@media (max-width: 1080px) {
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .arrase-portal-link span {
    display: none;
  }
}