:root {
  --bg-0: #16181b;
  --bg-1: #1c1f23;
  --glass-bg: rgba(255, 255, 255, 0.045);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-hi: rgba(255, 255, 255, 0.06);
  --text: #ecedee;
  --text-dim: #8b9096;
  --text-faint: #5b6068;
  --accent: #e0a86a;
  --accent-soft: rgba(224, 168, 106, 0.16);
  --danger: #d98a7a;
  --radius: 20px;
  --radius-sm: 14px;
}

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

html, body {
  background:
    radial-gradient(120% 90% at 50% -10%, #23262b 0%, var(--bg-0) 55%) fixed;
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  padding: 14px 16px 40px;
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.tab {
  flex: 1;
  padding: 10px 8px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 10px;
  cursor: pointer;
  transition: color .2s, background .2s;
}
.tab.active {
  color: var(--text);
  background: var(--glass-hi);
}

/* ---------- Glass panels ---------- */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.28),
              inset 0 1px 0 rgba(255, 255, 255, 0.05);
  padding: 20px;
  margin-bottom: 14px;
}

.eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  margin-bottom: 12px;
}

/* ---------- Screens ---------- */
.screen { display: none; }
.screen.active { display: block; animation: fade .28s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- Turn card (signature element) ---------- */
.turn-card {
  position: relative;
  text-align: center;
  padding: 34px 20px 30px;
  overflow: hidden;
}
.turn-card .eyebrow { margin-bottom: 8px; }
.turn-name {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.turn-ring {
  position: absolute;
  inset: -40% 30% auto;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 62%);
  filter: blur(6px);
  pointer-events: none;
  z-index: -1;
}

/* ---------- Pay card ---------- */
.field-label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin: 4px 0 8px;
}
.amount-input {
  display: flex;
  align-items: baseline;
  margin-bottom: 16px;
}
.amount-input input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--glass-border);
  color: var(--text);
  font-size: 40px;
  font-weight: 300;
  letter-spacing: -0.02em;
  padding: 4px 0 8px;
  outline: none;
}
.amount-input input:focus { border-color: var(--accent); }
.text-input {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  padding: 12px 14px;
  margin-bottom: 18px;
  outline: none;
}
.text-input:focus { border-color: var(--accent); }

.primary-btn {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #1a1305;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform .12s, opacity .2s;
}
.primary-btn:active { transform: scale(0.98); }
.primary-btn:disabled { opacity: 0.4; cursor: default; }

/* ---------- Order list ---------- */
.order-list { list-style: none; counter-reset: q; }
.order-list li {
  counter-increment: q;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 15px;
}
.order-list li:last-child { border-bottom: none; }
.order-list li::before {
  content: counter(q);
  width: 26px; height: 26px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--glass-hi);
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
}
.order-list li.current { color: var(--accent); font-weight: 600; }
.order-list li.current::before {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ---------- Stats ---------- */
.summary-row { display: flex; gap: 14px; }
.summary-item { flex: 1; text-align: center; }
.summary-value {
  font-size: 30px;
  font-weight: 300;
  letter-spacing: -0.02em;
}
.summary-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}
.stats-list { display: flex; flex-direction: column; gap: 4px; }
.stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.stat-row:last-child { border-bottom: none; }
.stat-name { font-size: 15px; }
.stat-meta { text-align: right; }
.stat-total { font-size: 16px; font-weight: 500; }
.stat-trips { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.stat-bar {
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
  margin-top: 6px;
  opacity: 0.6;
}

/* ---------- Settings ---------- */
.lang-options { display: flex; flex-direction: column; gap: 8px; }
.lang-btn {
  padding: 14px 16px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.lang-btn.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(30,33,37,0.96);
  border: 1px solid var(--glass-border);
  color: var(--text);
  font-size: 14px;
  padding: 12px 18px;
  border-radius: 12px;
  backdrop-filter: blur(20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}