:root {
  --bg: #0f1420;
  --panel: #171d2b;
  --panel-2: #1e2534;
  --border: #2a3244;
  --text: #e6e9f0;
  --muted: #94a0b8;
  --accent: #4f7cff;
  --accent-2: #2fce8f;
  --danger: #ff5d6c;
  --warn: #f5a623;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.login-card { width: 100%; max-width: 380px; }
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card p.sub { color: var(--muted); margin: 0 0 20px; font-size: 13px; }

label { display: block; font-size: 12px; color: var(--muted); margin: 14px 0 6px; }
input, select, textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
}
.btn-primary { background: var(--accent); color: white; width: 100%; margin-top: 18px; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 6px 10px; font-size: 12px; }

.error-msg { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 16px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 14px; }

/* App shell */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 18px 0;
  flex-shrink: 0;
}
.sidebar .brand { padding: 0 18px 18px; font-weight: 700; font-size: 16px; border-bottom: 1px solid var(--border); margin-bottom: 10px; }
.sidebar .brand small { display: block; color: var(--muted); font-weight: 400; font-size: 11px; margin-top: 2px; }
.sidebar nav a {
  display: block;
  padding: 10px 18px;
  color: var(--muted);
  font-size: 14px;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { color: var(--text); background: var(--panel-2); }
.sidebar nav a.active { color: var(--text); border-left-color: var(--accent); background: var(--panel-2); }

.main { flex: 1; padding: 24px 28px; overflow-x: auto; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.topbar h2 { margin: 0; font-size: 20px; }
.topbar .user-chip { color: var(--muted); font-size: 13px; }
.topbar .user-chip b { color: var(--text); }

.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; } }

.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat-card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stat-card .value { font-size: 26px; font-weight: 700; margin-top: 6px; }
.stat-card .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

.section { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; overflow-x: auto; }
.main { max-width: 100%; }
body { overflow-x: hidden; }
.section h3 { margin: 0 0 16px; font-size: 15px; }
.section .section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.section .section-head h3 { margin: 0; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: var(--panel-2); }

.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-success { background: rgba(47,206,143,.15); color: var(--accent-2); }
.badge-failed { background: rgba(255,93,108,.15); color: var(--danger); }
.badge-pending, .badge-processing, .badge-created { background: rgba(245,166,35,.15); color: var(--warn); }
.badge-active { background: rgba(47,206,143,.15); color: var(--accent-2); }
.badge-blocked, .badge-inactive { background: rgba(255,93,108,.15); color: var(--danger); }
.badge-approved { background: rgba(47,206,143,.15); color: var(--accent-2); }
.badge-rejected { background: rgba(255,93,108,.15); color: var(--danger); }
.badge-submitted, .badge-under_review, .badge-draft { background: rgba(245,166,35,.15); color: var(--warn); }

.form-row { display: flex; gap: 12px; }
.form-row > div { flex: 1; }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; width: 100%; max-width: 420px; max-height: 90vh; overflow-y: auto; }
.modal h3 { margin-top: 0; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.modal-actions button { flex: 1; }

.toast {
  position: fixed; bottom: 20px; right: 20px; background: var(--panel-2);
  border: 1px solid var(--border); padding: 12px 18px; border-radius: 8px; font-size: 13px; z-index: 100;
}
.toast.success { border-color: var(--accent-2); }
.toast.error { border-color: var(--danger); }

.tabs { display: flex; gap: 6px; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tabs button { background: transparent; color: var(--muted); border-radius: 0; padding: 8px 4px; margin-right: 16px; border-bottom: 2px solid transparent; }
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }

.empty-state { color: var(--muted); text-align: center; padding: 30px; font-size: 13px; }
.mono { font-family: 'SF Mono', Monaco, monospace; font-size: 12px; }
.muted { color: var(--muted); }
.right { text-align: right; }