:root {
  --navy: #16213e;
  --navy-deep: #0e1530;
  --gold: #e8a33d;
  --gold-soft: #f4c878;
  --bg: #f5f6fa;
  --panel: #ffffff;
  --ink: #1b1f3b;
  --muted: #6b7086;
  --border: #e4e6f0;
  --success: #2f9e6e;
  --success-bg: #e5f6ee;
  --danger: #d65a4a;
  --danger-bg: #fbe9e6;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --display: "Fraunces", Georgia, serif;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(22,33,62,0.06), 0 6px 18px rgba(22,33,62,0.05);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
}

a { color: var(--navy); }

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

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #eef0fa;
  padding: 28px 18px;
  position: relative;
}

.sidebar .brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 20px;
  margin: 0 0 2px 6px;
  color: #ffffff;
}
.sidebar .brand small {
  display: block;
  font-family: var(--sans);
  font-weight: 400;
  color: #9aa0c0;
  font-size: 11.5px;
  margin-top: 3px;
}

.sidebar nav { margin-top: 32px; display: flex; flex-direction: column; gap: 3px; }

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: #c7cbe6;
  text-decoration: none;
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
}
.sidebar nav a svg { flex-shrink: 0; opacity: 0.85; }

.sidebar nav a:hover { background: rgba(255,255,255,0.06); color: #ffffff; }
.sidebar nav a.active {
  background: var(--gold);
  color: var(--navy-deep);
  font-weight: 600;
}
.sidebar nav a.active svg { opacity: 1; }

.sidebar .logout {
  position: absolute;
  bottom: 26px;
  left: 18px;
  font-size: 13px;
  color: #8990b8;
  text-decoration: none;
}
.sidebar .logout:hover { color: #ffffff; }

main { flex: 1; padding: 36px 44px; max-width: 1040px; }

h1 { font-family: var(--display); font-size: 28px; margin: 0 0 4px; font-weight: 600; }
h2 { font-size: 16px; margin: 36px 0 14px; font-weight: 600; }
.muted { color: var(--muted); font-size: 13.5px; }

/* --- Stat cards --- */
.stat-row { display: flex; gap: 16px; margin: 26px 0 8px; flex-wrap: wrap; }
.stat {
  flex: 1;
  min-width: 150px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--gold);
}
.stat .value { font-family: var(--display); font-size: 30px; font-weight: 600; color: var(--navy); }
.stat .label { color: var(--muted); font-size: 12.5px; margin-top: 3px; }

/* --- Quota / usage bars --- */
.quota-bar {
  height: 6px;
  border-radius: 4px;
  background: var(--border);
  overflow: hidden;
  margin-top: 6px;
  width: 100%;
  max-width: 140px;
}
.quota-bar-fill {
  height: 100%;
  background: var(--gold);
  border-radius: 4px;
}
.quota-bar-fill.high { background: var(--danger); }

/* --- Tables --- */
.table-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-top: 4px;
}
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
th {
  color: var(--muted);
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.02em;
  background: #fafbfd;
}
td.mono, th.mono { font-family: var(--mono); font-size: 13.5px; }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fbfaf5; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  font-family: var(--mono);
}
.badge.active { background: var(--success-bg); color: var(--success); }
.badge.inactive { background: var(--danger-bg); color: var(--danger); }

/* --- Forms --- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-top: 14px;
  max-width: 480px;
}
.panel h3 { margin: 0 0 4px; font-size: 15px; }
label { display: block; margin-bottom: 14px; font-size: 13.5px; color: var(--muted); }
input, select {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-family: var(--sans);
  font-size: 14px;
  background: #fafbfd;
  color: var(--ink);
  transition: border-color 0.15s, background 0.15s;
}
input:focus, select:focus, button:focus, a:focus {
  outline: none;
  border-color: var(--gold);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(232,163,61,0.18);
}
button {
  background: var(--navy);
  color: #ffffff;
  border: none;
  padding: 10px 18px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
button:hover { background: var(--navy-deep); }
button:active { transform: translateY(1px); }
button.danger { background: var(--danger); }
button.danger:hover { background: #b8483a; }
button.ghost { background: transparent; color: var(--navy); border: 1px solid var(--border); }
button.ghost:hover { background: #fafbfd; }

.error { color: var(--danger); font-size: 13.5px; font-weight: 500; }
.success { color: var(--success); font-size: 13.5px; font-weight: 500; }

.row-actions { display: flex; gap: 6px; }
.row-actions button { padding: 4px 10px; font-size: 12px; }

/* --- Login page --- */
.login-page {
  display: flex;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
}
.login-brand {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px;
  color: #ffffff;
}
.login-brand .mark { font-family: var(--display); font-size: 40px; font-weight: 600; }
.login-brand p { color: #b7bcdc; max-width: 340px; font-size: 14.5px; margin-top: 10px; }
.login-brand .dot { color: var(--gold); }

.login-form-wrap {
  width: 420px;
  flex-shrink: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.login-card {
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px;
  width: 100%;
  max-width: 320px;
}
.login-card h1 { font-size: 22px; margin-bottom: 2px; }

@media (max-width: 860px) {
  .login-brand { display: none; }
  .login-form-wrap { width: 100%; }
}
@media (max-width: 700px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; padding: 16px; }
  .sidebar nav { flex-direction: row; overflow-x: auto; margin-top: 14px; }
  .sidebar .logout { position: static; margin-top: 10px; display: inline-block; }
  main { padding: 20px; }
  .stat-row { flex-direction: column; }
  .panel { max-width: 100%; }
}