:root {
  --bg: #0a0a0f;
  --bg-2: #11111a;
  --bg-3: #1a1a25;
  --border: #2a2a3a;
  --text: #e6e6ea;
  --muted: #8a8a99;
  --primary: #c1121f;
  --primary-hover: #e01726;
  --success: #2ea043;
  --warn: #d29922;
  --danger: #da3633;
  --link: #58a6ff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  min-height: 100vh;
}

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

/* ===== Login ===== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(193,18,31,0.15), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(88,166,255,0.08), transparent 60%),
    var(--bg);
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}
.login-card h1 {
  margin: 0 0 4px;
  font-size: 22px;
  color: #fff;
}
.login-card .sub {
  color: var(--muted);
  margin: 0 0 22px;
  font-size: 13px;
}
.brand {
  text-align: center;
  margin-bottom: 22px;
}
.brand-logo {
  display: inline-block;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, var(--primary), #ff6b6b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Layout ===== */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  padding: 18px 0;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar .logo { padding: 0 22px 22px; font-weight: 800; font-size: 18px; color: #fff; }
.sidebar .logo span { color: var(--primary); }
.sidebar a {
  display: block; padding: 10px 22px; color: var(--muted);
  border-left: 3px solid transparent;
}
.sidebar a:hover { background: var(--bg-3); color: #fff; text-decoration: none; }
.sidebar a.active { background: var(--bg-3); color: #fff; border-left-color: var(--primary); }
.main { flex: 1; padding: 24px 32px; max-width: 100%; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.topbar h1 { margin: 0; font-size: 22px; color: #fff; }
.user-chip {
  background: var(--bg-2); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 999px; font-size: 13px; color: var(--muted);
}
.user-chip b { color: #fff; }

/* ===== Forms ===== */
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input[type="text"], input[type="password"], input[type="number"], input[type="url"],
input[type="email"], select, textarea {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(193,18,31,0.15);
}
textarea { min-height: 100px; resize: vertical; font-family: ui-monospace, Menlo, Consolas, monospace; }
.form-row { margin-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}
.btn:hover { background: var(--primary-hover); text-decoration: none; }
.btn-block { display: block; width: 100%; }
.btn-secondary { background: var(--bg-3); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #232333; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #f04943; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* ===== Cards ===== */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 18px;
}
.card h2 { margin: 0 0 14px; font-size: 16px; color: #fff; }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; }
tr:hover td { background: var(--bg-3); }
td .thumb { width: 36px; height: 36px; border-radius: 6px; object-fit: cover; background: var(--bg-3); }
.badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
}
.badge-active { background: rgba(46,160,67,0.15); color: var(--success); }
.badge-suspended { background: rgba(218,54,51,0.15); color: var(--danger); }

/* ===== Alerts ===== */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13px; }
.alert-error { background: rgba(218,54,51,0.1); border: 1px solid rgba(218,54,51,0.3); color: #ff8b88; }
.alert-success { background: rgba(46,160,67,0.1); border: 1px solid rgba(46,160,67,0.3); color: #7ee787; }
.alert-warn { background: rgba(210,153,34,0.1); border: 1px solid rgba(210,153,34,0.3); color: #f0c674; }

/* ===== Misc ===== */
.muted { color: var(--muted); }
.right { text-align: right; }
.flex-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.between { display: flex; justify-content: space-between; align-items: center; }
.mt-2 { margin-top: 8px; } .mt-3 { margin-top: 14px; } .mt-4 { margin-top: 22px; }
.mb-2 { margin-bottom: 8px; } .mb-3 { margin-bottom: 14px; }
code { background: var(--bg-3); padding: 2px 6px; border-radius: 4px; font-size: 12px; }
hr.div { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

.lang-switch { display: inline-flex; gap: 6px; font-size: 12px; }
.lang-switch a { padding: 2px 8px; border-radius: 4px; color: var(--muted); }
.lang-switch a.on { background: var(--bg-3); color: #fff; }

@media (max-width: 760px) {
  .sidebar { width: 70px; }
  .sidebar .logo { font-size: 14px; padding: 0 10px 18px; text-align: center; }
  .sidebar a { padding: 10px; text-align: center; font-size: 11px; }
  .main { padding: 16px; }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
}

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: none; align-items: center; justify-content: center;
  z-index: 1000; padding: 20px;
}
.modal-backdrop.open { display: flex; }
.modal-card {
  background: #181821;
  border: 1px solid #2a2a3a;
  border-radius: 14px;
  width: 100%; max-width: 720px;
  max-height: 90vh; overflow: auto;
  padding: 22px 24px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.modal-head h2 { color: #fff; }
.modal-close {
  background: transparent; border: 0; color: #888;
  font-size: 28px; line-height: 1; cursor: pointer; padding: 0 6px;
}
.modal-close:hover { color: #fff; }
.modal-foot {
  display: flex; justify-content: flex-end; gap: 10px;
  margin-top: 18px;
}