:root {
  --bg: #f6f7fb;
  --bg-elev: #ffffff;
  --bg-elev-2: #fbfbfe;
  --text: #14161c;
  --text-dim: #5b6270;
  --border: #e5e7ef;
  --border-soft: #edeef4;
  --accent: #6c56f9;
  --accent-2: #06b6d4;
  --accent-contrast: #ffffff;
  --success: #16a34a;
  --danger: #dc2626;
  --star: #f59e0b;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(20, 22, 32, 0.04);
  --shadow: 0 2px 4px rgba(20, 22, 32, 0.04), 0 8px 24px rgba(20, 22, 32, 0.06);
  --shadow-lg: 0 8px 16px rgba(20, 22, 32, 0.06), 0 24px 48px rgba(20, 22, 32, 0.10);
  --ring: color-mix(in srgb, var(--accent) 35%, transparent);
  --mesh-a: color-mix(in srgb, var(--accent) 16%, transparent);
  --mesh-b: color-mix(in srgb, var(--accent-2) 14%, transparent);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0b0c11;
  --bg-elev: #15171f;
  --bg-elev-2: #1a1d27;
  --text: #f0f1f6;
  --text-dim: #9aa0b2;
  --border: #262a37;
  --border-soft: #1d202b;
  --accent: #8f7bff;
  --accent-2: #22d3ee;
  --accent-contrast: #0b0c11;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.30), 0 12px 32px rgba(0, 0, 0, 0.40);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.35), 0 32px 64px rgba(0, 0, 0, 0.50);
  --ring: color-mix(in srgb, var(--accent) 45%, transparent);
  --mesh-a: color-mix(in srgb, var(--accent) 22%, transparent);
  --mesh-b: color-mix(in srgb, var(--accent-2) 16%, transparent);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0c11;
    --bg-elev: #15171f;
    --bg-elev-2: #1a1d27;
    --text: #f0f1f6;
    --text-dim: #9aa0b2;
    --border: #262a37;
    --border-soft: #1d202b;
    --accent: #8f7bff;
    --accent-2: #22d3ee;
    --accent-contrast: #0b0c11;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.30), 0 12px 32px rgba(0, 0, 0, 0.40);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.35), 0 32px 64px rgba(0, 0, 0, 0.50);
    --ring: color-mix(in srgb, var(--accent) 45%, transparent);
    --mesh-a: color-mix(in srgb, var(--accent) 22%, transparent);
    --mesh-b: color-mix(in srgb, var(--accent-2) 16%, transparent);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, var(--mesh-a), transparent 60%),
    radial-gradient(ellipse 700px 450px at 100% 0%, var(--mesh-b), transparent 55%);
  background-repeat: no-repeat;
}

a { color: inherit; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--text);
}

.logo .mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 45%, transparent);
  flex-shrink: 0;
}

.logo .mark svg { width: 17px; height: 17px; }

.logo .logo-suffix { color: var(--text-dim); font-weight: 700; }

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-right: 6px;
}

.nav-links a {
  position: relative;
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 4px 0;
  transition: color 0.15s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -3px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: right 0.2s ease;
}

.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }

.nav-toggle { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-weight: 650;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 2px 6px color-mix(in srgb, var(--accent) 35%, transparent);
}

.btn-primary:hover {
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 45%, transparent);
  transform: translateY(-1px);
}

.btn-ghost {
  background: var(--bg-elev);
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); background: var(--bg-elev-2); }

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.icon-btn:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.icon-btn:active { transform: scale(0.94); }

.nav-toggle svg { width: 18px; height: 18px; }

/* Hero */
.hero {
  padding: 72px 0 32px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3rem);
  margin: 0 0 14px;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-dim);
  font-size: 1.08rem;
  max-width: 580px;
  margin: 0 auto 32px;
  line-height: 1.55;
}

.search-row {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
}

.search-row .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
  display: flex;
}

.search-row .search-icon svg { width: 18px; height: 18px; }

.search-row input {
  width: 100%;
  padding: 15px 18px 15px 46px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 0.96rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.search-row input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--ring);
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 26px 0;
}

.chip {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text-dim);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.chip:hover { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); color: var(--text); }

.chip.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: white;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 40%, transparent);
}

#category-chips { display: contents; }

.spacer { flex: 1; }

.sort-select {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
  padding-bottom: 44px;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 11px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border-soft));
}

.card-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 35%, transparent);
}

.card-title { flex: 1; min-width: 0; }

.card-title h3 {
  margin: 0 0 2px;
  font-size: 1.04rem;
  letter-spacing: -0.01em;
}

.card-title .url {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-decoration: none;
  word-break: break-all;
}

.card-title .url:hover { color: var(--accent); }

.rating-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.stars { color: var(--star); letter-spacing: 1px; }

.summary {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 0.72rem;
  font-weight: 650;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  padding: 4px 10px;
  border-radius: 999px;
}

.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 2px;
  padding-top: 10px;
  border-top: 1px solid var(--border-soft);
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.card-actions .btn { flex: 1; justify-content: center; padding: 9px 10px; font-size: 0.85rem; }

/* Reviews panel */
.reviews-panel {
  display: none;
  border-top: 1px solid var(--border-soft);
  margin-top: 4px;
  padding-top: 12px;
  gap: 10px;
  flex-direction: column;
}

.reviews-panel.open { display: flex; }

.review {
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.review-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 3px;
}

.review-head .stars { font-size: 0.75rem; }

.review p {
  margin: 0;
  font-size: 0.83rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.review-date { font-size: 0.72rem; color: var(--text-dim); font-weight: 500; }

.add-review-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}

.add-review-form input,
.add-review-form textarea {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 0.85rem;
  font-family: inherit;
  resize: vertical;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.add-review-form input:focus,
.add-review-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}

.star-picker {
  display: flex;
  gap: 4px;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--border);
}

.star-picker span.active { color: var(--star); }

/* Banner */
.banner {
  position: relative;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  color: white;
  margin: 24px 0 52px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.16), transparent 55%);
  pointer-events: none;
}

.banner h2 { margin: 0 0 8px; font-size: 1.5rem; letter-spacing: -0.01em; }
.banner p { margin: 0 0 20px; opacity: 0.94; font-size: 0.96rem; }
.banner .btn-primary { background: white; color: var(--accent); box-shadow: 0 4px 14px rgba(0,0,0,0.18); }
.banner .btn-primary:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.24); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 28px 0;
  color: var(--text-dim);
  font-size: 0.82rem;
  text-align: center;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

/* Form page */
.form-page { max-width: 560px; margin: 48px auto; padding: 0 20px 60px; }
.form-page h1 { font-size: 1.7rem; margin-bottom: 4px; letter-spacing: -0.02em; }
.form-page .lead { color: var(--text-dim); margin-top: 0; margin-bottom: 28px; font-size: 0.96rem; line-height: 1.5; }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.field .hint { font-weight: 400; color: var(--text-dim); font-size: 0.78rem; }

.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 0.92rem;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.field textarea { resize: vertical; min-height: 90px; }

.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--ring);
}

.form-actions { display: flex; gap: 10px; margin-top: 24px; }

.alert {
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.88rem;
  margin-bottom: 20px;
  display: none;
}

.alert.show { display: block; }

.alert-success {
  background: color-mix(in srgb, var(--success) 14%, transparent);
  color: var(--success);
  border: 1px solid color-mix(in srgb, var(--success) 30%, transparent);
}

.alert-danger {
  background: color-mix(in srgb, var(--danger) 14%, transparent);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
}

.btn-danger-outline {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 40%, transparent);
}

.submissions-list { margin-top: 36px; }
.submissions-list h2 { font-size: 1.05rem; }

.submission-item {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
}

.submission-item .row-top {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.9rem;
}

.pending-pill {
  font-size: 0.7rem;
  font-weight: 700;
  color: #b45309;
  background: color-mix(in srgb, #f59e0b 18%, transparent);
  padding: 2px 9px;
  border-radius: 999px;
}

.submission-item p {
  margin: 6px 0 0;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Guide page */
.guide-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 76px;
}

.guide-page h1 { font-size: 1.8rem; margin-bottom: 6px; letter-spacing: -0.02em; }
.guide-page > p.lead { color: var(--text-dim); margin-top: 0; font-size: 0.98rem; line-height: 1.5; }

.guide-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 44px;
}

.guide-toc a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  padding: 7px 13px;
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.15s ease;
}

.guide-toc a:hover { background: color-mix(in srgb, var(--accent) 18%, transparent); }

.guide-section {
  margin-bottom: 46px;
  scroll-margin-top: 90px;
}

.guide-section h2 {
  font-size: 1.22rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.guide-section .step-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 3px 10px color-mix(in srgb, var(--accent) 35%, transparent);
}

.guide-section .sub {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin: 0 0 16px;
}

.guide-steps {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.guide-steps li {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
}

.guide-steps li strong { color: var(--text); }

.guide-steps code {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.82em;
}

.callout {
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--accent);
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 14px;
}

.callout strong { color: var(--text); }

/* Mobile nav + general responsiveness */
@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border-soft);
    box-shadow: var(--shadow);
    padding: 10px 20px 16px;
    display: none;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    width: 100%;
    padding: 10px 0;
    font-size: 0.98rem;
  }

  .nav-links a::after { display: none; }
}

@media (max-width: 560px) {
  .hero { padding: 48px 0 24px; }
  .search-row { flex-direction: column; }
  .card-actions { flex-wrap: wrap; }
}