:root {
  --bg: #0b1020;
  --panel: #141b33;
  --panel-2: #11182d;
  --text: #e8ecff;
  --muted: #b7c0e7;
  --accent: #7aa2ff;
  --accent-2: #66d1ff;
  --success: #44c981;
  --warn: #ffb454;
  --danger: #ff6f6f;
  --border: rgba(161, 179, 231, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at top right, #1a2548 0%, var(--bg) 40%);
  color: var(--text);
  min-height: 100vh;
}

.container {
  width: min(960px, 92vw);
  margin: 2rem auto 3rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.1rem 1.2rem;
  backdrop-filter: blur(6px);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.22);
}

.hidden {
  display: none !important;
}

.hero h1 {
  margin: 0.2rem 0 0.5rem;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.eyebrow {
  margin: 0;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.74rem;
  font-weight: 700;
}

.lead {
  margin: 0.35rem 0 1rem;
  color: var(--muted);
  line-height: 1.5;
}

.hero-list {
  margin: 0 0 1rem;
  padding-left: 1rem;
  color: var(--muted);
  display: grid;
  gap: 0.3rem;
}

.warning-box {
  border: 1px solid rgba(255, 180, 84, 0.5);
  background: rgba(255, 180, 84, 0.12);
  color: #ffe1b7;
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  margin-bottom: 1rem;
  line-height: 1.45;
}

.warning-box.subtle {
  margin-top: 1rem;
}

.btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 11px;
  color: var(--text);
  padding: 0.62rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}

.btn:hover,
.btn:focus-visible {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border: none;
  color: #091124;
}

.progress-wrap {
  margin-bottom: 1rem;
}

.progress-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
  color: var(--muted);
}

.progress-track {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s ease;
}

.task-layout {
  display: grid;
  gap: 1rem;
}

.task-title {
  margin: 0;
}

.muted {
  color: var(--muted);
}

.face-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.face-slot {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  min-height: 220px;
  display: grid;
  place-items: center;
  padding: 0.5rem;
}

.face-slot svg {
  width: min(180px, 90%);
  height: auto;
}

.response-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.grid-label {
  font-size: 0.88rem;
  color: var(--muted);
}

.face-grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(84px, 1fr));
}

.face-choice {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  padding: 0.3rem;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.face-choice:focus-visible,
.face-choice:hover {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 2px rgba(102, 209, 255, 0.25);
}

.face-choice svg {
  width: 76px;
  height: 76px;
}

.chart {
  display: grid;
  gap: 0.55rem;
}

.chart-row {
  display: grid;
  grid-template-columns: minmax(130px, 160px) 1fr auto;
  gap: 0.6rem;
  align-items: center;
}

.bar-track {
  background: rgba(255, 255, 255, 0.1);
  height: 12px;
  border-radius: 30px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.risk-badge {
  margin: 0.4rem 0 0.6rem;
  font-weight: 700;
  display: inline-block;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.risk-low { background: rgba(68, 201, 129, 0.18); color: #8ff0b8; border-color: rgba(68, 201, 129, 0.45); }
.risk-mild { background: rgba(122, 162, 255, 0.2); color: #b8ccff; border-color: rgba(122, 162, 255, 0.45); }
.risk-moderate { background: rgba(255, 180, 84, 0.2); color: #ffd8a5; border-color: rgba(255, 180, 84, 0.45); }
.risk-high { background: rgba(255, 111, 111, 0.18); color: #ffc1c1; border-color: rgba(255, 111, 111, 0.45); }

.ai-block {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem;
  background: rgba(10, 15, 32, 0.4);
}

.list {
  margin: 0.2rem 0 0;
  padding-left: 1rem;
  line-height: 1.5;
}

.actions-row {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.study-timer {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--muted);
}

@media (max-width: 720px) {
  .face-row {
    grid-template-columns: 1fr;
  }

  .chart-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .actions-row .btn {
    width: 100%;
  }
}