/* Crypto Payments — shared styles. Plain CSS, no framework. */

:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-light: #273549;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #f0b90b; /* BNB yellow */
  --accent-dark: #c99a06;
  --success: #22c55e;
  --danger: #ef4444;
  --border: #334155;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* --- Layout ------------------------------------------------------------- */

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.navbar .brand {
  font-weight: 700;
  color: var(--accent);
  font-size: 18px;
}

.navbar nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
}

.navbar nav a:hover,
.navbar nav a.active {
  color: var(--text);
}

.container {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}

.card h1,
.card h2 {
  margin-top: 0;
}

/* --- Forms -------------------------------------------------------------- */

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

input[type='text'],
input[type='number'],
input[type='password'] {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

input:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  background: var(--accent);
  color: #1a1a1a;
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 18px;
}

button:hover {
  background: var(--accent-dark);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

/* --- Feedback ----------------------------------------------------------- */

.message {
  display: none;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
}

.message.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid var(--danger);
  color: #fca5a5;
}

.message.success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid var(--success);
  color: #86efac;
}

.hint {
  font-size: 13px;
  color: var(--muted);
}

/* --- Dashboard ---------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}

.stat .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.stat .value {
  font-size: 22px;
  font-weight: 700;
  margin-top: 6px;
  word-break: break-all;
}

/* --- Tables ------------------------------------------------------------- */

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 14px;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.confirmed {
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
}

/* --- Deposit page ------------------------------------------------------- */

.address-box {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-top: 8px;
  word-break: break-all;
}

.center {
  text-align: center;
}