/* ─── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
button, input, select, textarea { font-family: inherit; }

/* ─── VARIABLES ─────────────────────────────────────────────── */
:root {
  --bg:        #0f1117;
  --surface:   #1a1d27;
  --border:    #2a2d3a;
  --text:      #e8eaf0;
  --muted:     #8b8fa8;
  --accent:    #4f8ef7;
  --success:   #3ecf8e;
  --danger:    #f56565;
  --warning:   #f6ad55;
  --radius:    8px;
  --font:      'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

/* ─── BASE ───────────────────────────────────────────────────── */
html {
  font-size: 16px;
  height: -webkit-fill-available;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

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

/* ─── LAYOUT ─────────────────────────────────────────────────── */
.main { padding: 2rem 1rem; }
.container { max-width: 960px; margin: 0 auto; }

/* ─── NAV ────────────────────────────────────────────────────── */
.nav {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.node-badge {
  font-size: 0.65rem;
  background: var(--accent);
  color: #fff;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font);
  letter-spacing: 0.05em;
}

/* ─── AUTH ───────────────────────────────────────────────────── */
.auth-body {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  min-height: 100vh;
  min-height: -webkit-fill-available;
  padding: 1rem;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
}

.auth-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.auth-subtitle {
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.auth-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ─── FORMS ──────────────────────────────────────────────────── */
.form { display: -webkit-flex; display: flex; -webkit-flex-direction: column; flex-direction: column; gap: 1.25rem; }

.form-inline {
  -webkit-flex-direction: row;
  flex-direction: row;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-align-items: flex-end;
  align-items: flex-end;
  gap: 1rem;
}

.field { display: -webkit-flex; display: flex; -webkit-flex-direction: column; flex-direction: column; gap: 0.4rem; }

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input[type="text"],
input[type="tel"],
input[type="number"],
input[type="email"],
input[type="file"],
select,
textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.6rem 0.8rem;
  font-size: 1rem;
  width: 100%;
  transition: border-color 0.15s;
}

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

.field-hint {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s;
  text-align: center;
}

.btn:hover { opacity: 0.85; }

.btn-primary  { background: var(--accent);   color: #fff; }
.btn-success  { background: var(--success);  color: #fff; }
.btn-danger   { background: var(--danger);   color: #fff; }
.btn-full     { width: 100%; }
.btn-sm       { padding: 0.35rem 0.75rem; font-size: 0.85rem; }
.btn-link     { background: none; border: none; color: var(--accent); cursor: pointer; font-size: inherit; }

/* ─── ALERTS ─────────────────────────────────────────────────── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.alert-success { background: rgba(62,207,142,0.12);  border: 1px solid var(--success); color: var(--success); }
.alert-error   { background: rgba(245,101,101,0.12); border: 1px solid var(--danger);  color: var(--danger); }
.alert-info    { background: rgba(79,142,247,0.12);  border: 1px solid var(--accent);  color: var(--accent); }

/* ─── RATE BANNER ────────────────────────────────────────────── */
.rate-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.rate-time { color: var(--muted); margin-left: 0.75rem; font-size: 0.8rem; }

/* ─── WALLET GRID ────────────────────────────────────────────── */
.wallet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}

.wallet-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.wallet-currency { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.wallet-balance  { font-size: 1.5rem; font-weight: 700; font-family: var(--font); }
.wallet-locked   { font-size: 0.8rem; color: var(--warning); }

/* ─── TABLE ──────────────────────────────────────────────────── */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--surface); }

/* ─── BADGES ─────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-settled, .badge-verified { background: rgba(62,207,142,0.15); color: var(--success); }
.badge-reserved, .badge-pending { background: rgba(246,173,85,0.15);  color: var(--warning); }
.badge-failed, .badge-rejected  { background: rgba(245,101,101,0.15); color: var(--danger); }
.badge-exchange  { background: rgba(79,142,247,0.15);  color: var(--accent); }
.badge-buy       { background: rgba(62,207,142,0.15);  color: var(--success); }
.badge-cashout   { background: rgba(246,173,85,0.15);  color: var(--warning); }
.badge-muted     { background: rgba(139,143,168,0.15); color: var(--muted); }

/* ─── PAGE TITLE ─────────────────────────────────────────────── */
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

section { margin-bottom: 2.5rem; }
section h3 { font-size: 1rem; color: var(--muted); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* ─── ADMIN STATS ────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: flex-start;
}
.stat-card .btn { margin-top: auto; padding-top: 0.75rem; }

.stat-value { font-size: 2rem; font-weight: 700; font-family: var(--font); }
.stat-label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* ─── KYC LIST ───────────────────────────────────────────────── */
.kyc-list { display: flex; flex-direction: column; gap: 1rem; }

.kyc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.kyc-info { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; }
.kyc-type { font-weight: 600; text-transform: capitalize; }
.kyc-date, .kyc-user { color: var(--muted); font-size: 0.8rem; }
.kyc-actions { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.kyc-actions form { display: flex; gap: 0.5rem; align-items: center; }
.kyc-actions input[type="text"] { width: 180px; }

/* ─── EMPTY STATE ────────────────────────────────────────────── */
.empty { color: var(--muted); font-size: 0.9rem; padding: 1.5rem 0; }

/* ─── FOOTER ─────────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  .nav-links { gap: 1rem; font-size: 0.85rem; }
  .wallet-grid { grid-template-columns: 1fr 1fr; }
  .kyc-card { flex-direction: column; }
  .form-inline { flex-direction: column; }
}

/* ─── LANG SWITCHER ─────────────────────────────────────────────── */
.lang-switcher { display: flex; gap: 0.25rem; align-items: center; margin-inline-start: 0.75rem; }
.lang-btn { background: none; border: 1px solid var(--border); border-radius: 4px; padding: 0.2rem 0.45rem; font-size: 0.75rem; font-weight: 600; color: var(--muted); cursor: pointer; transition: border-color 0.15s, color 0.15s; }
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }
.lang-btn--active { border-color: var(--accent); color: var(--accent); background: rgba(79,142,247,0.1); }

/* Fixed top-right bar used on auth pages (no nav present) */
.lang-bar {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 100;
}
.lang-bar .lang-switcher { margin-inline-start: 0; }

/* Transaction party identifiers */
.party-id { font-family: monospace; font-size: 0.92em; color: var(--muted); }
.party-phone { font-family: monospace; font-size: 0.92em; color: var(--text); }

/* Amount spelled out in words under the input */
.amount-words { margin-top: 0.35rem; font-size: 0.8rem; color: var(--muted); font-style: italic; min-height: 1em; }

/* ─── NAV USER INDICATOR ─────────────────────────────────────── */
.nav-user {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
}
.nav-user-name {
  color: var(--text);
  font-weight: 500;
}
.badge-role         { font-size: 0.7rem; padding: 0.1rem 0.45rem; }
.badge-role--user   { background: rgba(139,143,168,0.15); color: var(--muted); }
.badge-role--agent  { background: rgba(79,142,247,0.15);  color: var(--accent); }
.badge-role--admin  { background: rgba(245,101,101,0.15); color: var(--danger); }