:root {
  --bg: #0f1115;
  --card: #171a21;
  --card-2: #1d212b;
  --border: #2a2e38;
  --text: #eef0f4;
  --text-dim: #9aa0ac;
  --accent: #6C5CE7;
  --accent-2: #00cec9;
  --good: #00cec9;
  --bad: #ff6b6b;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  padding-bottom: 76px;
}

a { color: var(--accent-2); text-decoration: none; }

.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px 28px;
  width: 100%;
  max-width: 380px;
  border: 1px solid var(--border);
}
.auth-card.wide { max-width: 480px; }

.logo {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 30px;
  margin: 0 0 4px;
  text-align: center;
}
.subtitle { color: var(--text-dim); text-align: center; margin: 0 0 24px; font-size: 14px; }

label { display: block; font-size: 13px; color: var(--text-dim); margin: 14px 0 6px; }

input, select, button {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--text);
  font-size: 15px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.btn-primary {
  margin-top: 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  font-weight: 600;
  cursor: pointer;
  color: #fff;
}
.btn-primary:active { opacity: 0.85; }

.switch { text-align: center; margin-top: 18px; font-size: 14px; color: var(--text-dim); }

.alert {
  background: rgba(255,107,107,0.12);
  border: 1px solid var(--bad);
  color: var(--bad);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 14px;
}
.alert.good-alert {
  background: rgba(0,206,201,0.12);
  border-color: var(--good);
  color: var(--good);
}

/* --- App shell --- */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.topnav-logo {
  font-weight: 700;
  font-size: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.topnav-icon { font-size: 18px; }

.page { max-width: 560px; margin: 0 auto; padding: 20px 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 14px; font-size: 17px; }

.hero-card { text-align: center; }
.calc-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.currency-prefix {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 10px;
  font-size: 13px;
  color: var(--text-dim);
}
.calc-row input { flex: 1; }
.calc-row .btn-primary { width: auto; margin-top: 0; padding: 12px 18px; }

.result-box { margin-top: 20px; }
.result-big {
  font-size: 30px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.stat-card { text-align: center; margin-bottom: 0; }
.stat-label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.stat-value { font-size: 20px; font-weight: 700; }
.stat-value.good { color: var(--good); }
.stat-value.bad { color: var(--bad); }

.link-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  font-weight: 600;
}

.items-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.item-card { padding: 0; overflow: hidden; }
.item-photo { width: 100%; height: 120px; object-fit: cover; display: block; }
.item-body { padding: 14px; }
.item-body h3 { margin: 0 0 6px; font-size: 15px; }
.item-price { margin: 0; font-weight: 700; color: var(--accent-2); }
.item-work { margin: 4px 0 10px; font-size: 13px; color: var(--text-dim); }
.item-actions form { display: flex; gap: 6px; }
.btn-small {
  padding: 8px 6px;
  font-size: 12px;
  width: auto;
  flex: 1;
  cursor: pointer;
}
.btn-small.good { border-color: var(--good); color: var(--good); background: transparent; }
.btn-small.bad { border-color: var(--bad); color: var(--bad); background: transparent; }

.bottomnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  display: flex;
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 8px 0 max(8px, env(safe-area-inset-bottom));
}
.bottomnav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 11px;
  color: var(--text-dim);
}
.bottomnav a.active { color: var(--accent-2); }
.bottomnav .icon { font-size: 20px; }

@media (max-width: 400px) {
  .items-grid { grid-template-columns: 1fr; }
}

.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.row-3 > div { position: relative; }
.row-3 .unit-label {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--text-dim);
  pointer-events: none;
}
.hint { font-size: 12px; color: var(--text-dim); margin: 8px 0 0; }
.item-reminder { font-size: 12px; color: var(--text-dim); margin: 0 0 10px; }