:root {
    --bg: #0f1115;
    --panel: #161922;
    --panel-2: #1c1f2a;
    --border: #262b38;
    --text: #e6e8ee;
    --text-dim: #8b92a5;
    --accent: #6ee7b7;
    --accent-dim: #2f6b52;
    --danger: #f2777a;
    --danger-bg: #3a1f22;
}

* { box-sizing: border-box; }

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

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

.sidebar {
    width: 240px;
    background: var(--panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 20px 14px;
    flex-shrink: 0;
}

.brand { display: flex; align-items: center; gap: 10px; padding: 0 6px 20px 6px; }
.brand-mark {
    width: 32px; height: 32px; border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    color: #0f1115; font-weight: 700; font-size: 13px;
    display: flex; align-items: center; justify-content: center;
}
.brand-name { font-weight: 600; font-size: 15px; letter-spacing: 0.2px; }

nav { display: flex; flex-direction: column; gap: 2px; flex: 1; margin-top: 8px; }
.nav-link {
    color: var(--text-dim);
    text-decoration: none;
    padding: 9px 12px;
    border-radius: 7px;
    font-size: 13.5px;
    transition: background 0.12s, color 0.12s;
}
.nav-link:hover { background: var(--panel-2); color: var(--text); }
.nav-link.active { background: var(--accent-dim); color: var(--accent); font-weight: 600; }
.nav-section-label {
    margin: 16px 12px 4px 12px;
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
}

.sidebar-footer { border-top: 1px solid var(--border); padding-top: 14px; margin-top: 10px; }
.user-chip { padding: 0 12px 8px 12px; }
.user-email { font-size: 12.5px; color: var(--text); }
.user-role { font-size: 11px; color: var(--text-dim); }
.logout-link {
    display: block; padding: 8px 12px; color: var(--danger);
    text-decoration: none; font-size: 13px; border-radius: 7px;
}
.logout-link:hover { background: var(--danger-bg); }

.content { flex: 1; padding: 32px 40px; max-width: 1100px; }

.page-header { margin-bottom: 24px; }
.page-header h1 { margin: 0 0 4px 0; font-size: 22px; }
.subtle { color: var(--text-dim); font-size: 13px; margin: 0; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.module-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.12s, transform 0.12s;
}
.module-card:hover { border-color: var(--accent-dim); transform: translateY(-1px); }
.module-card-title { font-weight: 600; margin-bottom: 6px; }
.module-card-sub { color: var(--accent); font-size: 12.5px; }

.empty-state {
    color: var(--text-dim);
    background: var(--panel);
    border: 1px dashed var(--border);
    border-radius: 10px;
    padding: 24px;
    font-size: 13.5px;
}

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; margin-bottom: 16px; }
.card-title-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.card h3 { margin: 0; font-size: 15px; }

.section-title { font-size: 15px; margin: 28px 0 12px 0; }

.data-table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.data-table th, .data-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 13px; }
.data-table th { color: var(--text-dim); font-weight: 500; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em; }
.data-table tr:last-child td { border-bottom: none; }

.perm-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.perm-table th, .perm-table td { text-align: left; padding: 6px 10px; font-size: 13px; }
.perm-table th { color: var(--text-dim); font-weight: 500; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-ok { background: var(--accent-dim); color: var(--accent); }
.badge-off { background: var(--danger-bg); color: var(--danger); }

.form-block { display: flex; flex-direction: column; gap: 6px; max-width: 360px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.form-block label { font-size: 12px; color: var(--text-dim); margin-top: 8px; }
.inline-form { display: inline; }

input[type=email], input[type=password], input[type=text], select {
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 11px;
    border-radius: 7px;
    font-size: 13.5px;
    width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--accent-dim); border-color: var(--accent); }

button, .btn-sm {
    background: var(--accent);
    color: #0b1410;
    border: none;
    padding: 9px 16px;
    border-radius: 7px;
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    margin-top: 12px;
}
button:hover, .btn-sm:hover { filter: brightness(1.08); }
.btn-sm { padding: 5px 10px; margin-top: 0; font-size: 12px; }

.login-screen { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    width: 320px;
    display: flex;
    flex-direction: column;
}
.login-card label { font-size: 12px; color: var(--text-dim); margin-top: 12px; margin-bottom: 4px; }
.login-card button { margin-top: 20px; }

.alert { padding: 10px 12px; border-radius: 7px; font-size: 13px; margin-bottom: 4px; }
.alert-error { background: var(--danger-bg); color: var(--danger); }

@media (max-width: 720px) {
    .shell { flex-direction: column; }
    .sidebar { width: 100%; flex-direction: row; overflow-x: auto; align-items: center; }
    nav { flex-direction: row; }
    .sidebar-footer { display: none; }
    .content { padding: 20px; }
}