:root {
  --bg: #0b1120;
  --card: #131c31;
  --card-2: #0f172a;
  --border: rgba(148, 163, 184, 0.18);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --blue: #2563eb;
  --blue-hover: #3b82f6;
  --green: #10b981;
  --red: #f43f5e;
  --amber: #f59e0b;
}

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }

.container { width: 100%; max-width: 960px; margin: 0 auto; padding: 16px; }
.container-sm { width: 100%; max-width: 460px; margin: 0 auto; padding: 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.card-sm {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease;
  text-align: center;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-full { width: 100%; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); }
.btn-success { background: var(--green); color: #fff; }
.btn-danger { background: rgba(244, 63, 94, 0.15); color: #fda4af; border-color: rgba(244, 63, 94, 0.35); }
.btn-ghost { background: rgba(148, 163, 184, 0.12); color: var(--text); border-color: var(--border); }
.btn-sm { padding: 8px 12px; font-size: 12px; border-radius: 10px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge-green { background: rgba(16, 185, 129, 0.14); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-red { background: rgba(244, 63, 94, 0.14); color: #fb7185; border: 1px solid rgba(244, 63, 94, 0.3); }
.badge-amber { background: rgba(245, 158, 11, 0.14); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-blue { background: rgba(37, 99, 235, 0.16); color: #60a5fa; border: 1px solid rgba(37, 99, 235, 0.3); }

.plate {
  display: inline-block;
  background: #ffffff;
  color: #0f172a;
  border: 2px solid #1e293b;
  border-radius: 8px;
  padding: 4px 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 1.5px;
}

.input, .textarea, .select {
  width: 100%;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text);
  outline: none;
}
.input:focus, .textarea:focus, .select:focus { border-color: var(--blue); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 680px) {
  .grid-3 { grid-template-columns: 1fr; }
}

.stack-sm > * + * { margin-top: 10px; }
.stack > * + * { margin-top: 16px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.row-gap { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.text-muted { color: var(--muted); font-size: 13px; }
.text-xs { font-size: 12px; }
.text-center { text-align: center; }

.tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; }
.tab-btn {
  padding: 8px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.tab-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }

.pill-radio input { display: none; }
.pill-radio span {
  display: block;
  padding: 10px 8px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card-2);
  font-size: 12px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
}
.pill-radio input:checked + span {
  border-color: var(--blue);
  background: rgba(37, 99, 235, 0.16);
  color: #93c5fd;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}
.modal.open { display: flex; }
.hidden { display: none !important; }

.dot-pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(1.25); }
}