/*
  Kodislovo Tilda bridge
  Requires theme.css loaded first.
  Maps Tilda page class names to shared design tokens (--ks-*).
*/

:root {
  --bg: var(--ks-bg);
  --bg2: var(--ks-bg-soft);
  --header-bg: color-mix(in srgb, var(--ks-bg) 88%, transparent);
  --header: var(--header-bg);
  --card: var(--ks-surface);
  --card-soft: var(--ks-surface-2);
  --card2: var(--ks-surface-2);
  --text: var(--ks-text);
  --muted: var(--ks-text-soft);
  --muted-soft: var(--ks-muted);
  --border: var(--ks-border);
  --border-strong: color-mix(in srgb, var(--ks-primary) 32%, var(--ks-border));
  --primary: var(--ks-primary);
  --accent: var(--ks-accent);
  --primary-hover: var(--ks-accent);
  --primary2: color-mix(in srgb, var(--ks-primary-soft) 76%, var(--ks-surface));
  --primary-soft: var(--ks-primary-soft);
  --primary-soft-2: color-mix(in srgb, var(--ks-primary-soft) 78%, var(--ks-surface));
  --success: var(--ks-success);
  --warning: var(--ks-warning);
  --danger: var(--ks-danger);
  --glow: var(--ks-accent);
  --white: #ffffff;
  --radius: var(--ks-radius-lg);
  --shadow: var(--ks-shadow);
  --shadow-button: 0 10px 22px color-mix(in srgb, var(--ks-primary) 28%, transparent);
  --max: var(--ks-container);
}

body {
  color: var(--text);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--ks-accent) 16%, transparent), transparent 28rem),
    radial-gradient(circle at top right, color-mix(in srgb, var(--ks-gold) 12%, transparent), transparent 24rem),
    linear-gradient(180deg, var(--bg2), var(--bg) 42%, var(--bg2));
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 16px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--header-bg) 92%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .topbar {
  background: color-mix(in srgb, var(--ks-surface) 88%, transparent);
}

.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.logo {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 12px;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--ks-primary) 24%, transparent);
  display: block;
}

.brand b {
  display: block;
  font-family: var(--ks-font-serif);
  font-size: 15px;
  line-height: 1.1;
}

.brand span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle input { display: none; }

.toggle small {
  color: var(--muted);
  font-size: 12px;
}

.switch {
  width: 44px;
  height: 26px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  position: relative;
  display: inline-block;
}

.knob {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  position: absolute;
  top: 2px;
  left: 2px;
  transition: left var(--ks-transition);
  box-shadow: 0 6px 14px color-mix(in srgb, var(--ks-primary) 28%, transparent);
}

input:checked + .switch .knob { left: 22px; }

.hero {
  padding: 22px 0 6px;
  text-align: center;
}

.hero .breadcrumbs {
  justify-content: center;
  text-align: left;
}

.hero h1 {
  font-family: var(--ks-font-serif);
  font-size: clamp(28px, 4vw, 44px);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero p {
  margin: 0 auto;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  max-width: 720px;
}

.section-title {
  margin: 28px 0 10px;
  font-family: var(--ks-font-serif);
  font-size: clamp(20px, 3vw, 26px);
  color: var(--text);
}

.section-note {
  margin: 0 auto 14px;
  max-width: 720px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.section {
  margin-top: 22px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
}

.section-head h2 {
  margin: 0;
  font-family: var(--ks-font-serif);
  font-size: 22px;
  color: var(--text);
}

.section-head p {
  margin: 0;
  max-width: 520px;
  text-align: right;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 16px;
}

.card {
  position: relative;
  background: color-mix(in srgb, var(--card) 94%, transparent);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 22px 22px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform var(--ks-transition), border-color var(--ks-transition), box-shadow var(--ks-transition);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: color-mix(in srgb, var(--primary) 42%, var(--border));
}

.card-russian::before { background: var(--ks-russian); }
.card-informatics::before { background: var(--ks-informatics); }
.card-control::before { background: var(--ks-gold); }
.card-neutral::before { background: color-mix(in srgb, var(--primary) 38%, var(--border)); }

.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.card h3 {
  margin: 0 0 8px;
  font-family: var(--ks-font-serif);
  color: var(--text);
}

.card p,
.card small {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.card strong {
  font-size: 18px;
  line-height: 1.25;
  color: var(--text);
}

.card.featured { grid-column: span 2; }

.card.live {
  border-color: color-mix(in srgb, var(--success) 28%, var(--border));
}

.card.soon {
  opacity: 0.84;
  cursor: default;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 9px,
      color-mix(in srgb, var(--warning) 5%, transparent) 9px,
      color-mix(in srgb, var(--warning) 5%, transparent) 18px
    ),
    color-mix(in srgb, var(--card-soft) 88%, transparent);
}

.card.soon:hover {
  transform: none;
  border-color: var(--border);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip,
.kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
}

.kicker {
  width: max-content;
  max-width: 100%;
  min-height: 0;
  padding: 5px 9px;
}

.chip.soon {
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 12%, var(--card));
  border-color: color-mix(in srgb, var(--warning) 34%, var(--border));
  cursor: default;
}

.status {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.status.live {
  color: var(--success);
  background: color-mix(in srgb, var(--success) 14%, var(--card));
  border: 1px solid color-mix(in srgb, var(--success) 34%, var(--border));
}

.status.live::before {
  content: "✓";
  margin-right: 4px;
  font-size: 10px;
  font-weight: 900;
}

.status.soon {
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 14%, var(--card));
  border: 1px solid color-mix(in srgb, var(--warning) 34%, var(--border));
}

.status.soon::before {
  content: "⏳";
  margin-right: 3px;
  font-size: 10px;
}

.card .btns,
.btns {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white) !important;
  border: 1px solid transparent;
  text-align: center;
  text-decoration: none;
  box-shadow: var(--shadow-button);
  transition: transform var(--ks-transition), box-shadow var(--ks-transition);
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px color-mix(in srgb, var(--ks-primary) 32%, transparent);
}

.btn.secondary {
  background: var(--primary2);
  color: var(--primary) !important;
  border-color: var(--border);
  box-shadow: none;
}

[data-theme="dark"] .btn.secondary,
[data-theme="dark"] .btn.secondary:link,
[data-theme="dark"] .btn.secondary:visited {
  color: var(--text) !important;
}

.btn.secondary:hover {
  background: var(--primary-soft-2);
  border-color: var(--border-strong);
}

footer {
  text-align: center;
  margin-top: 26px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.breadcrumbs [aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.breadcrumbs-sep {
  opacity: 0.45;
  user-select: none;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 16px auto 0;
  max-width: 720px;
}

.subnav a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 92%, transparent);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color var(--ks-transition), background var(--ks-transition);
}

.subnav a:hover {
  border-color: var(--border-strong);
  background: color-mix(in srgb, var(--primary-soft) 72%, var(--card));
}

.soon-banner {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px dashed color-mix(in srgb, var(--warning) 42%, var(--border));
  background: color-mix(in srgb, var(--warning) 8%, var(--card));
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

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

.card-subject-link {
  margin-top: auto;
  padding-top: 6px;
}

.card-subject-link .btn {
  width: 100%;
}

@media (max-width: 620px) {
  .section-head { display: block; }
  .section-head p { text-align: left; margin-top: 6px; }
  .topbar-inner { padding: 10px 12px; }
  .container { padding: 16px 12px; }
  .card.featured { grid-column: auto; }
}