:root {
  --bg: #0b0f14;
  --panel: #121820;
  --panel-2: #17202b;
  --border: #1f2a37;
  --text: #e6edf3;
  --muted: #8b98a9;
  --accent: #2dd4bf;
  --accent-dim: #134e4a;
  --danger: #f87171;
  --success: #34d399;
  --warn: #fbbf24;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* --- Login --- */
.login-view {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 24px;
}
.login-card {
  width: 100%; max-width: 400px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.brand h1 { margin: 0; font-size: 20px; }
.brand p { margin: 2px 0 0; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #5eead4, #0d9488 60%, #0b0f14);
  box-shadow: 0 0 18px rgba(45, 212, 191, 0.5);
  flex-shrink: 0;
}

.tabs { display: flex; gap: 6px; margin-bottom: 16px; background: var(--panel-2); border-radius: 8px; padding: 4px; }
.tab {
  flex: 1; border: none; background: transparent; color: var(--muted);
  padding: 8px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
.tab.active { background: var(--panel); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,0.4); }

label { display: block; margin: 12px 0 4px; color: var(--muted); font-size: 12px; }
input, select, textarea {
  width: 100%; padding: 9px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font-size: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }

.error { color: var(--danger); margin: 10px 0; font-size: 13px; }
.success-note { color: var(--success); margin: 10px 0; font-size: 13px; }

/* --- Buttons --- */
.btn {
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  padding: 9px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #06231f; border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: rgba(248,113,113,0.4); }
.btn.danger:hover { border-color: var(--danger); background: rgba(248,113,113,0.08); }
.btn.full { width: 100%; margin-top: 14px; }
.btn.sm { padding: 5px 9px; font-size: 12px; }

/* --- App shell --- */
.app-view { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; flex-shrink: 0;
  background: var(--panel); border-right: 1px solid var(--border);
  padding: 20px 14px; display: flex; flex-direction: column;
}
.sidebar .brand { padding: 0 6px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; margin-top: 8px; flex: 1; }
.nav-item {
  text-align: left; background: transparent; border: none; color: var(--muted);
  padding: 9px 12px; border-radius: 8px; cursor: pointer; font-size: 14px;
  display: flex; align-items: center; gap: 10px;
}
.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }
.nav-item .ico { width: 18px; text-align: center; opacity: 0.85; }
.sidebar-footer { border-top: 1px solid var(--border); padding-top: 14px; display: flex; flex-direction: column; gap: 10px; }

.content { flex: 1; padding: 28px 34px; overflow-y: auto; }
.content-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.content-header h2 { margin: 0; font-size: 22px; }

/* --- Cards / tables --- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-bottom: 20px; }
.card h3 { margin: 0 0 12px; font-size: 15px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }
td.mono, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.allow { background: rgba(52,211,153,0.15); color: var(--success); }
.badge.deny { background: rgba(248,113,113,0.15); color: var(--danger); }
.badge.user { background: rgba(45,212,191,0.15); color: var(--accent); }
.badge.group { background: rgba(251,191,36,0.15); color: var(--warn); }
.badge.all { background: rgba(139,152,169,0.15); color: var(--muted); }
.badge.active { background: rgba(52,211,153,0.15); color: var(--success); }
.badge.revoked { background: rgba(248,113,113,0.15); color: var(--danger); }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.stat .num { font-size: 26px; font-weight: 700; color: var(--accent); }
.stat .lbl { color: var(--muted); font-size: 12px; margin-top: 2px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; margin-top: 14px; }

.empty { color: var(--muted); text-align: center; padding: 24px; }
.toast {
  position: fixed; bottom: 20px; right: 20px; z-index: 50;
  background: var(--panel-2); border: 1px solid var(--accent); color: var(--text);
  padding: 12px 18px; border-radius: 10px; font-size: 13px; max-width: 420px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}
.key-reveal {
  background: var(--bg); border: 1px dashed var(--accent); border-radius: 8px;
  padding: 12px; font-family: ui-monospace, Menlo, monospace; font-size: 13px;
  word-break: break-all; margin: 10px 0;
}