:root {
  --bg: #0f1220;
  --bg-elevated: #171b2e;
  --card: #1d2238;
  --card-hover: #252b46;
  --text: #f1f2f8;
  --text-dim: #9a9db8;
  --accent: #7c6cf0;
  --accent-2: #ec4899;
  --good: #34d399;
  --bad: #f87171;
  --warn: #fbbf24;
  --border: #2c3151;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6fb;
    --bg-elevated: #ffffff;
    --card: #ffffff;
    --card-hover: #eef0fb;
    --text: #1b1e2b;
    --text-dim: #666b8a;
    --border: #e2e4f2;
    --shadow: 0 10px 30px rgba(30,30,60,0.08);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: max(14px, env(safe-area-inset-top)) 16px 14px;
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  z-index: 20;
  border-bottom: 1px solid var(--border);
}

.topbar .back {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  font-size: 18px;
}

.topbar h1 {
  font-size: 17px;
  font-weight: 700;
  margin: 0;
  flex: 1;
}

.main {
  flex: 1;
  padding: 16px;
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 18px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  border: none;
}
.btn.ghost { background: transparent; }
.btn.block { width: 100%; }
.btn.sm { padding: 8px 12px; font-size: 13px; border-radius: 10px; }
.btn:disabled { opacity: 0.4; pointer-events: none; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }

.chip {
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
}
.chip.active {
  background: var(--accent);
  color: white;
  border-color: transparent;
}

.stat {
  text-align: center;
}
.stat .num {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.1;
}
.stat .label {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

.progress-bar {
  height: 8px;
  border-radius: 99px;
  background: var(--border);
  overflow: hidden;
}
.progress-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.heatgrid {
  display: grid;
  gap: 4px;
  font-size: 11px;
}
.heatcell {
  aspect-ratio: 1;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
}

.toast {
  position: fixed;
  bottom: max(20px, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 18px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 100;
  animation: toastIn 0.25s ease, toastOut 0.3s ease 2.5s forwards;
  max-width: 90vw;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(20px); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(-50%) translateY(10px); } }

.badge-list { display: flex; flex-direction: column; gap: 8px; }
.badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: 12px;
  background: var(--bg-elevated);
}
.badge-row .ic { font-size: 22px; width: 32px; text-align: center; }
.badge-row.locked { opacity: 0.35; filter: grayscale(1); }
.badge-row .txt b { display: block; font-size: 14px; }
.badge-row .txt span { display: block; font-size: 12px; color: var(--text-dim); }

input[type="number"], input[type="text"] {
  font-family: inherit;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 16px;
  width: 100%;
}

.hidden { display: none !important; }
.center { text-align: center; }
.dim { color: var(--text-dim); }
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}.mt20{margin-top:20px}
.row{display:flex;align-items:center;gap:10px}
.row.between{justify-content:space-between}
.row.wrap{flex-wrap:wrap}