:root {
    --color-bg: #f4f5f7;
    --color-surface: #ffffff;
    --color-border: #e2e4e9;
    --color-text: #1f2430;
    --color-muted: #6b7280;
    --color-primary: #2f6feb;
    --color-primary-dark: #1e4fbf;
    --color-danger: #d1435b;
    --color-success: #1c9a6c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 220px;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 1.5rem 1rem;
}

.sidebar h1 { font-size: 1.05rem; margin: 0 0 1.5rem; }

.sidebar nav a {
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    color: var(--color-text);
    text-decoration: none;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.sidebar nav a:hover { background: var(--color-bg); }

.main { flex: 1; padding: 2rem; max-width: 960px; }

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.stats { display: flex; gap: 1rem; margin-bottom: 1.5rem; }

.stat {
    flex: 1;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
}

.stat .value { font-size: 1.6rem; font-weight: 600; }
.stat .label { color: var(--color-muted); font-size: 0.85rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--color-border); }
th { color: var(--color-muted); font-weight: 500; }

.badge { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px; font-size: 0.75rem; }
.badge-granted { background: #e3f7ee; color: var(--color-success); }
.badge-revoked { background: #fbe7ea; color: var(--color-danger); }
.badge-expired { background: #f0f1f3; color: var(--color-muted); }

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    padding: 0.55rem 1.1rem;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    cursor: pointer;
}
.btn:hover { background: var(--color-primary-dark); }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.3rem; font-size: 0.85rem; color: var(--color-muted); }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.9rem;
}
.form-group textarea { min-height: 140px; font-family: inherit; }

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.auth-card { width: 340px; }

.error-text { color: var(--color-danger); font-size: 0.8rem; margin-top: 0.25rem; }
.status-text { color: var(--color-success); font-size: 0.85rem; margin-bottom: 1rem; }
.muted { color: var(--color-muted); }