/* ═══════════════════════════════════════════════════════════════
   predict_methods.css — Предикт методов ВсОШ 2027
   Стекло (glassmorphism), градиенты, микроанимации
   ═══════════════════════════════════════════════════════════════ */

/* ─── Переменные ──────────────────────────────────────────── */
.predict-wrap {
  --bg-deep: #070b15;
  --bg-card: rgba(255, 255, 255, 0.97);
  --bg-card-hover: rgba(255, 255, 255, 1);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --violet: #8b5cf6;
  --violet-glow: rgba(139, 92, 246, 0.25);
  --violet-soft: rgba(139, 92, 246, 0.08);
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.25);
  --cyan-soft: rgba(6, 182, 212, 0.08);
  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.25);
  --emerald-soft: rgba(16, 185, 129, 0.08);
  --amber: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.20);
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  font-family: var(--font-main);
  color: var(--text-primary);
  background: var(--bg-deep);
  min-height: 100vh;
}

/* ─── Hero-секция ──────────────────────────────────────────── */
.predict-hero {
  position: relative;
  text-align: center;
  padding: 56px 32px 48px;
  margin-bottom: 56px;
  background: linear-gradient(135deg, rgba(139,92,246,0.10) 0%, rgba(6,182,212,0.06) 50%, rgba(16,185,129,0.06) 100%);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
}

.predict-hero::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -20%;
  width: 140%;
  height: 220%;
  background: radial-gradient(ellipse at 30% 50%, var(--violet-glow) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(6,182,212,0.10) 0%, transparent 50%);
  pointer-events: none;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0%   { transform: translate(0, 0) scale(1); opacity: 0.6; }
  100% { transform: translate(20px, -20px) scale(1.08); opacity: 1; }
}

.predict-hero-icon {
  position: relative;
  z-index: 1;
  font-size: 56px;
  display: inline-block;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 20px var(--violet-glow));
  animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

.predict-hero h1 {
  position: relative;
  z-index: 1;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  background: linear-gradient(135deg, #c4b5fd 0%, #67e8f9 50%, #6ee7b7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.predict-hero-sub {
  position: relative;
  z-index: 1;
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

/* ─── Сетка карточек ────────────────────────────────────────── */
.predict-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-top: 8px;
}

/* ─── Карточка класса ───────────────────────────────────────── */
.grade-card {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 24px 32px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transition: var(--transition);
  cursor: default;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid rgba(0,0,0,0.04);
}

.grade-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}

.grade-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.10);
}

.grade-card:active {
  transform: translateY(-2px);
}

/* Акцентная полоска сверху */
.grade-card.card-violet { border-top: 4px solid var(--violet); }
.grade-card.card-cyan   { border-top: 4px solid var(--cyan); }
.grade-card.card-emerald{ border-top: 4px solid var(--emerald); }

/* Glow-подсветка при ховере */
.grade-card.card-violet:hover { box-shadow: 0 12px 40px var(--violet-glow); }
.grade-card.card-cyan:hover   { box-shadow: 0 12px 40px var(--cyan-glow); }
.grade-card.card-emerald:hover{ box-shadow: 0 12px 40px var(--emerald-glow); }

.grade-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.grade-card-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.grade-card.card-violet .grade-card-title { color: var(--violet); }
.grade-card.card-cyan   .grade-card-title { color: var(--cyan); }
.grade-card.card-emerald .grade-card-title { color: var(--emerald); }

.grade-card-icon {
  font-size: 36px;
  line-height: 1;
}

.grade-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* ─── Теги этапов ──────────────────────────────────────────── */
.stage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0;
}

.stage-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: var(--violet-soft);
  color: var(--violet);
  white-space: nowrap;
}

.card-cyan .stage-tag {
  background: var(--cyan-soft);
  color: var(--cyan);
}

.card-emerald .stage-tag {
  background: var(--emerald-soft);
  color: var(--emerald);
}

.stage-tag .stage-icon {
  font-size: 13px;
}

/* ─── Шкала уверенности (conf-bar) ─────────────────────────── */
.conf-section-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 4px 0 10px;
}

.conf-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.conf-row-label {
  min-width: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
  cursor: pointer;
}
.conf-row-label:hover {
  color: var(--violet);
  text-decoration: underline;
}
.card-cyan .conf-row-label:hover { color: var(--cyan); }
.card-emerald .conf-row-label:hover { color: var(--emerald); }

.conf-bar-track {
  flex: 1;
  height: 8px;
  background: rgba(0,0,0,0.06);
  border-radius: 99px;
  overflow: hidden;
  position: relative;
}

.conf-bar-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.card-violet .conf-bar-fill { background: linear-gradient(90deg, #a78bfa, var(--violet)); }
.card-cyan   .conf-bar-fill { background: linear-gradient(90deg, #22d3ee, var(--cyan)); }
.card-emerald .conf-bar-fill { background: linear-gradient(90deg, #34d399, var(--emerald)); }

.conf-bar-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  width: 20px;
  height: 100%;
  background: inherit;
  filter: blur(4px);
  opacity: 0.6;
}

.conf-row-value {
  min-width: 36px;
  font-size: 13px;
  font-weight: 700;
  text-align: right;
  color: var(--text-primary);
}

/* ─── Точечная шкала (3 уровня) ────────────────────────────── */
.conf-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.conf-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0,0,0,0.10);
  transition: var(--transition);
}

.conf-dot.high { background: var(--violet); }
.card-cyan   .conf-dot.high { background: var(--cyan); }
.card-emerald .conf-dot.high { background: var(--emerald); }

.conf-dot.mid { background: var(--amber); }

.conf-dot-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 2px;
}

/* ─── Анимация появления карточек ──────────────────────────── */
.grade-card {
  opacity: 0;
  animation: cardIn 0.5s ease forwards;
}

.grade-card:nth-child(1) { animation-delay: 0.10s; }
.grade-card:nth-child(2) { animation-delay: 0.20s; }
.grade-card:nth-child(3) { animation-delay: 0.30s; }

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Адаптивность ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .predict-wrap {
    padding: 24px 16px 60px;
  }

  .predict-hero {
    padding: 40px 20px 32px;
    margin-bottom: 40px;
  }

  .predict-hero-icon {
    font-size: 42px;
  }

  .predict-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .grade-card {
    padding: 22px 18px 26px;
  }

  .conf-row-label {
    min-width: 72px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .predict-hero h1 {
    font-size: 24px;
  }

  .predict-hero-sub {
    font-size: 14px;
  }

  .stage-tags {
    gap: 6px;
  }

  .stage-tag {
    font-size: 11px;
    padding: 3px 10px;
  }
}