/* ============================================================
   PromptChef – main stylesheet
   Palette: amber/gold accent, dark + light modes
   ============================================================ */

/* --- Theme tokens ----------------------------------------- */
:root,
[data-theme="dark"] {
  --color-bg:          #13120f;
  --color-bg-surface:  #1e1c17;
  --color-bg-elevated: #29271f;
  --color-border:      #38352a;
  --color-text:        #f0ece0;
  --color-muted:       #9e9880;
  --color-accent:      #f59e0b;
  --color-accent-dim:  #78490a;
  --color-accent-fg:   #13120f;
  --color-prompts:     #fb923c;
  --color-skills:      #34d399;
  --color-success:     #4ade80;
  --color-warn:        #facc15;
  --header-bg:         rgba(19, 18, 15, 0.88);
  --hero-glow:         rgba(245, 158, 11, 0.12);
}

[data-theme="light"] {
  --color-bg:          #fffdf7;
  --color-bg-surface:  #ffffff;
  --color-bg-elevated: #f5f2e8;
  --color-border:      #e2dcc8;
  --color-text:        #1c1a12;
  --color-muted:       #6b6248;
  --color-accent:      #d97706;
  --color-accent-dim:  #fde68a;
  --color-accent-fg:   #ffffff;
  --color-prompts:     #ea580c;
  --color-skills:      #059669;
  --color-success:     #16a34a;
  --color-warn:        #ca8a04;
  --header-bg:         rgba(255, 253, 247, 0.92);
  --hero-glow:         rgba(217, 119, 6, 0.08);
}

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

:root {
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius:    8px;
  --radius-lg: 16px;
  --shadow:    0 2px 16px rgba(0,0,0,.18);
  --transition: 150ms ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition), color var(--transition);
}

.site-main { flex: 1; }

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

img { max-width: 100%; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header ----------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), border-color var(--transition);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.site-nav { margin-left: auto; }

.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-img { display: none; height: 40px; width: auto; }

[data-theme="light"] .logo-img--light { display: block; }
[data-theme="dark"]  .logo-img--dark  { display: block; }

.nav-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  flex-shrink: 0;
}

.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-muted);
  font-size: .9rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}
.site-nav a:hover, .site-nav a.active {
  color: var(--color-text);
  background: var(--color-bg-elevated);
}
.nav-github {
  display: flex !important;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-border) !important;
  margin-left: 4px;
}

/* --- Theme toggle ----------------------------------------- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
  margin-left: 4px;
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-bg-elevated);
}

/* Show sun in dark mode, moon in light mode */
[data-theme="dark"]  .icon-moon { display: none; }
[data-theme="dark"]  .icon-sun  { display: inline-block; }
[data-theme="light"] .icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: inline-block; }
/* Default to dark behaviour before JS runs */
.icon-moon { display: none; }
.icon-sun  { display: inline-block; }

/* --- Hero -------------------------------------------------- */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: radial-gradient(ellipse 80% 55% at 50% -10%, var(--hero-glow), transparent);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero-accent { color: var(--color-accent); }

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-search {
  position: relative;
  max-width: 560px;
  margin: 0 auto 24px;
}
.hero-search .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
}
.hero-search input {
  width: 100%;
  padding: 14px 16px 14px 48px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 1rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.hero-search input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  text-decoration: none;
  border: none;
}
.btn:hover { opacity: .85; transform: translateY(-1px); text-decoration: none; }
.btn--primary  { background: var(--color-accent); color: var(--color-accent-fg); }
.btn--secondary { background: var(--color-bg-surface); color: var(--color-text); border: 1px solid var(--color-border); }
.btn--ghost    { background: transparent; color: var(--color-muted); border: 1px solid var(--color-border); }

/* --- Stats bar -------------------------------------------- */
.stats-bar {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}
.stats-inner {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.stat { text-align: center; color: var(--color-muted); font-size: .9rem; }
.stat strong { display: block; font-size: 1.6rem; font-weight: 700; color: var(--color-accent); }

/* --- Section latest --------------------------------------- */
.section-latest { padding: 56px 0; }
.section-latest--alt { background: var(--color-bg-surface); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; }
.section-heading h2 { font-size: 1.4rem; font-weight: 700; }
.see-all { font-size: .9rem; color: var(--color-accent); }

/* --- Card grid -------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  height: 240px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  height: 100%;
  overflow: hidden;
}
.card-link:hover { text-decoration: none; }

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

.card-type {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 3px 8px;
  border-radius: 999px;
}
.card-type--prompts     { background: color-mix(in srgb, var(--color-prompts) 15%, transparent); color: var(--color-prompts); }
.card-type--skills      { background: color-mix(in srgb, var(--color-skills)  15%, transparent); color: var(--color-skills); }
.card-difficulty {
  font-size: .72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
}
.card-difficulty--beginner     { background: color-mix(in srgb, var(--color-success) 12%, transparent); color: var(--color-success); }
.card-difficulty--intermediate { background: color-mix(in srgb, var(--color-warn)    12%, transparent); color: var(--color-warn); }
.card-difficulty--advanced     { background: color-mix(in srgb, var(--color-prompts) 12%, transparent); color: var(--color-prompts); }

.card-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
  flex-shrink: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-description {
  font-size: .875rem;
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  flex-shrink: 0;
}

.tag {
  font-size: .72rem;
  padding: 2px 8px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-muted);
}
a.tag:hover { color: var(--color-text); border-color: var(--color-muted); text-decoration: none; }

.model-badge {
  font-size: .72rem;
  padding: 2px 8px;
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  border-radius: 999px;
  color: var(--color-accent);
}

/* --- List page -------------------------------------------- */
.list-header { padding: 48px 0 32px; }
.list-title { font-size: 2rem; font-weight: 700; margin-bottom: 8px; }
.list-description { color: var(--color-muted); }

.list-controls { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }

.search-box {
  position: relative;
  max-width: 480px;
}
.search-box .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
}
.search-box input {
  width: 100%;
  padding: 10px 14px 10px 44px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-size: .95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
}
.search-box input:focus { border-color: var(--color-accent); }

.filter-group { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-btn {
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  font-size: .82rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.filter-btn:hover { color: var(--color-text); border-color: var(--color-muted); }
.filter-btn.active { background: var(--color-accent); color: var(--color-accent-fg); border-color: var(--color-accent); }

.no-results { padding: 48px; text-align: center; color: var(--color-muted); }

/* --- Pagination ------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 32px 0 8px;
}

.page-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  font-size: .875rem;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.page-btn:hover { color: var(--color-text); border-color: var(--color-muted); background: var(--color-bg-elevated); }
.page-btn--active { background: var(--color-accent); color: var(--color-accent-fg); border-color: var(--color-accent); font-weight: 600; }
.page-btn--active:hover { opacity: .85; }
.page-btn--nav { padding: 0 14px; }

.page-ellipsis { color: var(--color-muted); font-size: .875rem; padding: 0 4px; user-select: none; }

/* --- Single page ------------------------------------------ */
.single-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 40px;
  align-items: start;
  padding: 48px 0 80px;
}

.single-page { min-width: 0; padding: 48px 0 64px; }

/* --- Sidebar ---------------------------------------------- */
.single-sidebar { position: sticky; top: 80px; }

.sidebar-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.sidebar-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
}
.sidebar-field:last-child { border-bottom: none; }

.sidebar-label {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.sidebar-label i { font-size: .75rem; }

.sidebar-value {
  font-size: .875rem;
  color: var(--color-text);
  word-break: break-word;
}
.sidebar-value--link {
  color: var(--color-accent);
  text-decoration: none;
  word-break: break-all;
}
.sidebar-value--link:hover { text-decoration: underline; }
.sidebar-value--badges { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 2px; }

@media (max-width: 900px) {
  .single-layout {
    grid-template-columns: 1fr;
    padding: 32px 0 60px;
  }
  .single-sidebar { position: static; }
}

.single-meta-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.back-link { font-size: .875rem; color: var(--color-muted); }
.back-link:hover { color: var(--color-text); }

.single-type {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 3px 8px;
  border-radius: 999px;
}
.single-type--prompts { background: color-mix(in srgb, var(--color-prompts) 15%, transparent); color: var(--color-prompts); }
.single-type--skills  { background: color-mix(in srgb, var(--color-skills)  15%, transparent); color: var(--color-skills); }

.single-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 12px;
}

.single-description { font-size: 1.1rem; color: var(--color-muted); margin-bottom: 20px; }

.single-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: .875rem;
  color: var(--color-muted);
  margin-bottom: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.single-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 32px; }

/* --- Content typography ----------------------------------- */
.single-content { font-size: 1rem; line-height: 1.75; }
.single-content h2 { font-size: 1.4rem; font-weight: 700; margin: 36px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--color-border); }
.single-content h3 { font-size: 1.15rem; font-weight: 600; margin: 28px 0 8px; }
.single-content p  { margin-bottom: 16px; }
.single-content ul, .single-content ol { margin: 0 0 16px 20px; }
.single-content li { margin-bottom: 6px; }
.single-content a  { color: var(--color-accent); }

.single-content pre {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: 20px;
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-muted);
  font-size: .75rem;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition), color var(--transition), border-color var(--transition);
}
.single-content pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--color-accent); border-color: var(--color-accent); }
.copy-btn--copied { color: var(--color-success) !important; border-color: var(--color-success) !important; opacity: 1 !important; }
.single-content code {
  font-family: var(--font-mono);
  font-size: .875rem;
}
.single-content :not(pre) > code {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .85em;
}

.single-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: .9rem;
}
.single-content th, .single-content td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}
.single-content th { background: var(--color-bg-elevated); font-weight: 600; }
.single-content tr:nth-child(even) { background: color-mix(in srgb, var(--color-border) 20%, transparent); }

.single-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 12px 20px;
  background: color-mix(in srgb, var(--color-accent) 6%, transparent);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 20px;
  color: var(--color-muted);
}

/* --- Single footer ---------------------------------------- */
.single-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Contribute CTA --------------------------------------- */
.contribute-cta {
  padding: 72px 0;
  text-align: center;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, var(--hero-glow), transparent);
}
.contribute-cta h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
.contribute-cta p { color: var(--color-muted); max-width: 520px; margin: 0 auto 28px; }

/* --- Footer ----------------------------------------------- */
.site-footer {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: .875rem;
  color: var(--color-muted);
}
.site-footer a { color: var(--color-muted); }
.site-footer a:hover { color: var(--color-text); }

/* --- Hamburger toggle ------------------------------------- */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  margin-left: auto;
  font-size: 1rem;
  flex-shrink: 0;
}
.nav-toggle .icon-close { display: none; }
.nav-open .nav-toggle .icon-menu  { display: none; }
.nav-open .nav-toggle .icon-close { display: inline; }

/* --- Responsive: tablet (≤ 900px) ------------------------- */
@media (max-width: 900px) {
  .single-layout {
    grid-template-columns: 1fr;
    padding: 32px 0 60px;
  }
  .single-sidebar { position: static; }
}

/* --- Responsive: mobile (≤ 768px) ------------------------- */
@media (max-width: 768px) {

  /* Navbar */
  .nav-toggle { display: flex; }
  .nav-divider { display: none; }

  .site-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 16px 16px;
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0,0,0,.18);
  }
  .nav-open .site-nav { display: flex; }

  .site-nav a {
    padding: 10px 12px;
    font-size: 1rem;
    border-radius: var(--radius);
  }
  .site-nav a:hover, .site-nav a.active {
    background: var(--color-bg-elevated);
  }
  .nav-github { margin-left: 0 !important; border: none !important; }

  .theme-toggle {
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    border: none;
    font-size: 1rem;
  }
  .theme-toggle::after {
    content: 'Toggle theme';
    font-family: var(--font-sans);
    font-size: .9rem;
    color: var(--color-muted);
  }

  /* Hero */
  .hero { padding: 40px 0 32px; }
  .hero-title { font-size: 1.8rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* Stats */
  .stats-inner { gap: 20px; }
  .stat strong { font-size: 1.3rem; }

  /* Sections */
  .section-latest { padding: 36px 0; }
  .section-heading h2 { font-size: 1.2rem; }

  /* Card grid */
  .card-grid { grid-template-columns: 1fr; }

  /* List page */
  .list-header { padding: 32px 0 20px; }
  .list-title { font-size: 1.6rem; }
  .search-box { max-width: 100%; }
  .filter-group {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .filter-group::-webkit-scrollbar { display: none; }
  .filter-btn { flex-shrink: 0; }

  /* Pagination */
  .pagination { gap: 4px; padding: 24px 0 4px; }
  .page-btn { min-width: 32px; height: 32px; font-size: .8rem; padding: 0 8px; }
  .page-btn--nav { padding: 0 10px; }

  /* Single page */
  .single-page { padding: 24px 0 48px; }
  .single-title { font-size: 1.5rem; }
  .single-footer { flex-direction: column; }
  .single-footer .btn { text-align: center; justify-content: center; }

  /* Contribute CTA */
  .contribute-cta { padding: 48px 0; }
  .contribute-cta h2 { font-size: 1.4rem; }
}

/* --- Responsive: small phone (≤ 480px) -------------------- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 1.5rem; }
  .card { height: auto; min-height: 200px; }
}