* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1420;
  --bg-2: #171e2e;
  --card: #1b2436;
  --border: #2a3650;
  --text: #e6edf7;
  --muted: #8b98b3;
  --accent: #3b82f6;
  --accent-2: #6366f1;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --radius: 10px;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 800px at 80% -10%, #1b2440 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: rgba(16, 21, 32, 0.8);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  z-index: 10;
}
.brand { font-size: 20px; font-weight: 800; letter-spacing: 0.5px; }
.brand .logo { color: var(--accent); }
.brand-sub { color: var(--accent-2); font-weight: 600; font-size: 14px; margin-left: 4px; }

.nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: 0.15s;
}
.nav a:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.nav a.active { color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }

.user-box { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.chip {
  background: rgba(99,102,241,0.18);
  color: #a5b4fc;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 28px; }
.page-title { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.page-sub { color: var(--muted); margin-bottom: 24px; font-size: 14px; }

/* Cards / grid */
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.stat-card .label { color: var(--muted); font-size: 13px; font-weight: 600; }
.stat-card .value { font-size: 30px; font-weight: 800; margin-top: 6px; }
.stat-card .value.accent { color: var(--accent); }
.stat-card .value.green { color: var(--green); }

/* Table */
.table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.03); }

/* Badges */
.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge-green { background: rgba(34,197,94,0.15); color: #4ade80; }
.badge-red { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-amber { background: rgba(245,158,11,0.15); color: #fbbf24; }
.badge-blue { background: rgba(59,130,246,0.15); color: #60a5fa; }
.badge-gray { background: rgba(139,152,179,0.15); color: var(--muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: 0.15s;
}
.btn:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,0.06); }
.btn-danger { background: linear-gradient(135deg, #ef4444, #dc2626); }
.btn-success { background: linear-gradient(135deg, #22c55e, #16a34a); }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.btn-block { width: 100%; justify-content: center; }
.actions { display: flex; gap: 8px; align-items: center; }

/* Forms */
.form-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 560px; }
.form-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 700; color: var(--muted); }
.field input, .field select, .field textarea {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
}
.field input:focus, .field select:focus { border-color: var(--accent); }
.form-actions { display: flex; gap: 12px; margin-top: 20px; }

/* Login */
.login-wrap { max-width: 400px; margin: 12vh auto 0; }
.login-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 32px; }
.login-title { font-size: 22px; font-weight: 800; text-align: center; margin-bottom: 4px; }
.login-sub { color: var(--muted); text-align: center; margin-bottom: 24px; font-size: 14px; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; font-weight: 600; }
.alert-success { background: rgba(34,197,94,0.12); color: #4ade80; border: 1px solid rgba(34,197,94,0.3); }
.alert-error { background: rgba(239,68,68,0.12); color: #f87171; border: 1px solid rgba(239,68,68,0.3); }

/* Section headers */
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.section-head h2 { font-size: 18px; font-weight: 800; }

/* Misc */
.muted { color: var(--muted); font-size: 13px; }
.mono { font-family: "Cascadia Code", Consolas, monospace; font-size: 13px; }
.empty { text-align: center; padding: 40px; color: var(--muted); }
.dialog-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.dialog { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; max-width: 480px; width: 100%; }