:root {
  --bg: #0F1417;
  --surface: #161D21;
  --surface-2: #1C252A;
  --border: #232E34;
  --text: #E7EDEF;
  --text-muted: #7C8B91;
  --accent: #3ECF8E;
  --accent-dim: #285944;
  --amber: #E8A33D;
  --danger: #E5484D;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

/* ---- Shell layout ---- */
.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
}

.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 24px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--accent-dim); color: var(--accent);
  font-family: var(--font-mono); font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 14px; }
.brand-text span { font-size: 11px; color: var(--text-muted); }

.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radius);
  color: var(--text-muted); font-size: 13.5px; font-weight: 500;
}
.nav-item .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--text-muted); }
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }
.nav-item.active .dot { background: var(--accent); }

.sidebar-footer { border-top: 1px solid var(--border); padding-top: 14px; display: flex; align-items: center; justify-content: space-between; }
.admin-chip { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.logout-link { font-size: 12px; color: var(--danger); font-weight: 500; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: 60px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px; background: var(--bg);
}
.topbar-title { font-size: 16px; font-weight: 600; }

.rate-meter { display: flex; align-items: center; gap: 10px; }
.rate-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--text-muted); }
.rate-ticks { display: flex; gap: 2px; }
.tick { width: 3px; height: 12px; background: var(--accent-dim); border-radius: 1px; }
.tick:nth-child(-n+14) { background: var(--accent); }
.rate-value { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }

.content { padding: 28px; flex: 1; }

/* ---- Panels & grid ---- */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  margin-bottom: 20px;
}
.grid-2 { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.eyebrow {
  display: block; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 10px;
}

.panel-balance .balance-figure {
  font-family: var(--font-mono); font-size: 34px; font-weight: 600;
  color: var(--accent); margin-bottom: 18px;
}
.balance-error { color: var(--danger); margin-bottom: 14px; font-size: 13px; }

.shortcut-list { display: flex; flex-direction: column; gap: 8px; }
.shortcut {
  display: flex; flex-direction: column; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: 8px;
}
.shortcut:hover { border-color: var(--accent-dim); background: var(--surface-2); }
.shortcut strong { font-size: 13.5px; }
.shortcut span { font-size: 12px; color: var(--text-muted); }

/* ---- Buttons & inputs ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 16px; border-radius: 7px; font-size: 13.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #0B1210; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-block { width: 100%; }

.input {
  width: 100%; background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 7px; padding: 9px 12px; font-size: 13.5px;
  font-family: inherit;
}
.input:focus { outline: 2px solid var(--accent-dim); border-color: var(--accent); }
.input-sm { width: auto; padding: 7px 10px; font-size: 12.5px; }

textarea.input { font-family: var(--font-mono); resize: vertical; }

/* ---- Auth screen ---- */
.auth-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-card {
  width: 100%; max-width: 360px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 14px; padding: 32px 28px;
}
.auth-mark {
  width: 40px; height: 40px; border-radius: 9px; background: var(--accent-dim); color: var(--accent);
  font-family: var(--font-mono); font-weight: 700; display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.auth-card h1 { font-size: 19px; margin: 0 0 4px; }
.auth-sub { color: var(--text-muted); font-size: 13px; margin: 0 0 22px; }
.auth-card form { display: flex; flex-direction: column; gap: 14px; }
.auth-card label { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--text-muted); }
.checkbox-row { flex-direction: row !important; align-items: center; gap: 8px !important; }

/* ---- Flash ---- */
.flash-stack { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.flash-stack-guest { max-width: 360px; margin: 20px auto 0; }
.flash { padding: 10px 14px; border-radius: 7px; font-size: 13px; border: 1px solid var(--border); }
.flash-success { border-color: var(--accent-dim); color: var(--accent); }
.flash-danger { border-color: var(--danger); color: var(--danger); }
.flash-warning, .flash-info { border-color: var(--amber); color: var(--amber); }

/* ---- Tables ---- */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 13px; }
.data-table th { color: var(--text-muted); font-weight: 500; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--text-muted); }

.kv-table { width: 100%; border-collapse: collapse; }
.kv-table th, .kv-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 13px; text-align: left; }
.kv-table th { width: 180px; color: var(--text-muted); font-weight: 500; }

.raw-json { margin-top: 14px; }
.raw-json summary { cursor: pointer; color: var(--text-muted); font-size: 12.5px; }
.raw-json pre {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; font-family: var(--font-mono); font-size: 12px; overflow-x: auto; margin-top: 8px;
  white-space: pre-wrap; word-break: break-all;
}

/* ---- Tags / status ---- */
.tag {
  font-family: var(--font-mono); font-size: 11px; padding: 2px 8px;
  border-radius: 5px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-muted);
}
.status { font-family: var(--font-mono); font-size: 11.5px; padding: 2px 9px; border-radius: 5px; }
.status-submitted, .status-completed, .status-success { background: var(--accent-dim); color: var(--accent); }
.status-submitting, .status-processing, .status-pending { background: #3A2F14; color: var(--amber); }
.status-failed, .status-error, .status-cancelled { background: #3A1618; color: var(--danger); }

/* ---- Filters & chips ---- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.filter-form { align-items: center; }
.chip {
  padding: 6px 13px; border-radius: 999px; border: 1px solid var(--border);
  font-size: 12.5px; color: var(--text-muted);
}
.chip:hover { color: var(--text); border-color: var(--accent-dim); }
.chip-active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent-dim); }

/* ---- Services grid ---- */
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.service-card { display: flex; flex-direction: column; gap: 8px; }
.service-card-head { display: flex; align-items: center; justify-content: space-between; }
.service-id { color: var(--text-muted); font-size: 12px; }
.service-card h3 { font-size: 15px; margin: 4px 0 0; }
.service-desc { color: var(--text-muted); font-size: 12.5px; margin: 0; line-height: 1.5; }
.service-card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 10px; }
.price { color: var(--accent); font-size: 13px; }

/* ---- Order form ---- */
.form-panel { max-width: 560px; }
.form-panel h2 { margin: 8px 0 4px; font-size: 18px; }
.order-form { display: flex; flex-direction: column; gap: 16px; margin-top: 18px; }
.order-form label { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--text-muted); }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 4px; }

.pager { display: flex; align-items: center; gap: 14px; }
.table-action { text-align: right; }

.empty-state { color: var(--text-muted); font-size: 13.5px; padding: 20px 0; text-align: center; }