:root {
  --bg: #0f1117;
  --surface: #181c27;
  --surface2: #1e2333;
  --border: #2a3050;
  --text: #e8ecf4;
  --text-muted: #7a859e;
  --accent: #4f8ef7;
  --accent-hover: #6aa0ff;

  --risk-prohibited: #ef4444;
  --risk-prohibited-bg: rgba(239, 68, 68, 0.12);
  --risk-high: #f97316;
  --risk-high-bg: rgba(249, 115, 22, 0.12);
  --risk-limited: #eab308;
  --risk-limited-bg: rgba(234, 179, 8, 0.12);
  --risk-minimal: #22c55e;
  --risk-minimal-bg: rgba(34, 197, 94, 0.12);

  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* ── Header ── */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.header-brand .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.deadline-pill {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ── Layout ── */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* ── Countdown Hero ── */
.countdown-section {
  background: linear-gradient(135deg, #1a1f35 0%, #151926 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.countdown-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.countdown-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.countdown-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.countdown-units {
  display: flex;
  gap: 16px;
}

.countdown-unit {
  text-align: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  min-width: 76px;
}

.countdown-num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.countdown-unit-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* ── Stats Row ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-card-value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-card-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Score Gauge ── */
.score-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.gauge-wrap {
  position: relative;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.gauge-wrap svg {
  transform: rotate(-90deg);
}

.gauge-bg { fill: none; stroke: var(--border); stroke-width: 8; }
.gauge-fill { fill: none; stroke-width: 8; stroke-linecap: round; transition: stroke-dashoffset 0.6s ease; }

.gauge-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.score-meta {}
.score-meta-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 4px; }
.score-meta-title { font-size: 1rem; font-weight: 700; }
.score-meta-sub { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

/* ── Filter Tabs ── */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

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

.tab {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.tab:hover { border-color: var(--accent); color: var(--text); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.reset-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}
.reset-btn:hover { border-color: #ef4444; color: #ef4444; }

/* ── System Grid ── */
.system-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.system-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}

.system-card.compliant { border-color: #22c55e; }
.system-card:hover { border-color: #3a4a70; }

.card-header {
  padding: 16px 20px 12px;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.card-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

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

.card-name {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-category { font-size: 0.75rem; color: var(--text-muted); }

.card-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.risk-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: 999px;
}

.risk-badge.prohibited { background: var(--risk-prohibited-bg); color: var(--risk-prohibited); border: 1px solid rgba(239,68,68,0.3); }
.risk-badge.high-risk  { background: var(--risk-high-bg);       color: var(--risk-high);       border: 1px solid rgba(249,115,22,0.3); }
.risk-badge.limited-risk { background: var(--risk-limited-bg);  color: var(--risk-limited);    border: 1px solid rgba(234,179,8,0.3); }
.risk-badge.minimal-risk { background: var(--risk-minimal-bg);  color: var(--risk-minimal);    border: 1px solid rgba(34,197,94,0.3); }

.card-progress {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.progress-bar-wrap {
  padding: 0 20px 14px;
}

.progress-bar-bg {
  height: 4px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease;
}

.progress-bar-fill.prohibited { background: var(--risk-prohibited); }
.progress-bar-fill.high-risk  { background: var(--risk-high); }
.progress-bar-fill.limited-risk { background: var(--risk-limited); }
.progress-bar-fill.minimal-risk { background: var(--risk-minimal); }

/* ── Checklist ── */
.checklist {
  border-top: 1px solid var(--border);
  padding: 14px 20px;
  display: none;
}

.checklist.open { display: block; }

.checklist-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.checklist-item:last-child { border-bottom: none; }

.checklist-cb {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 5px;
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  font-size: 11px;
}

.checklist-item.done .checklist-cb {
  background: var(--risk-minimal);
  border-color: var(--risk-minimal);
  color: #fff;
}

.checklist-item-text {
  font-size: 0.83rem;
  line-height: 1.45;
  transition: color 0.15s;
}

.checklist-item.done .checklist-item-text {
  color: var(--text-muted);
  text-decoration: line-through;
}

.expand-icon {
  font-size: 13px;
  color: var(--text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
  margin-left: auto;
}

.card-header.open .expand-icon { transform: rotate(180deg); }

/* ── Complete badge ── */
.complete-banner {
  background: rgba(34, 197, 94, 0.1);
  border-top: 1px solid rgba(34, 197, 94, 0.25);
  padding: 8px 20px;
  font-size: 0.78rem;
  color: var(--risk-minimal);
  font-weight: 600;
  display: none;
}

.system-card.compliant .complete-banner { display: block; }

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.empty-state-icon { font-size: 40px; margin-bottom: 12px; }
.empty-state-title { font-size: 1rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }

/* ── Risk Legend ── */
.legend {
  margin-bottom: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.legend-title { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 12px; }

.legend-items { display: flex; gap: 20px; flex-wrap: wrap; }

.legend-item { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; }

.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* ── Responsive ── */
@media (max-width: 700px) {
  .countdown-section { flex-direction: column; align-items: flex-start; }
  .countdown-units { gap: 10px; }
  .countdown-unit { min-width: 60px; padding: 10px 14px; }
  .countdown-num { font-size: 1.6rem; }
  .system-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  header { padding: 0 16px; }
  .main { padding: 20px 16px 48px; }
}