:root {
    --bg-main: #0b0d12;
    --bg-sidebar: #10131a;
    --bg-card: #151922;
    --bg-card-alt: #1b202b;
    --bg-input: #10141c;
    --border: #242a37;
    --border-soft: #1c212b;
    --text-primary: #f1f3f8;
    --text-secondary: #8890a0;
    --text-muted: #5c6577;
    /* Diubah menjadi tema biru metalik */
    --accent: #2563eb;
    --accent-2: #1d4ed8;
    --accent-soft: rgba(37,99,235,.14);
    --success: #22c55e;
    --success-soft: rgba(34,197,94,.14);
    --danger: #f43f5e;
    --danger-soft: rgba(244,63,94,.14);
    --warning: #eab308;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.5);
}
* { box-sizing: border-box; }
body {
    margin:0;
    font-family: 'Inter', -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* ===== Layout ===== */
.shell { display:flex; min-height:100vh; }

.sidebar {
    width:248px;
    background: linear-gradient(180deg, var(--bg-sidebar) 0%, #0d0f15 100%);
    border-right:1px solid var(--border-soft);
    display:flex; flex-direction:column;
    padding:20px 0 16px;
    position: sticky; top:0; height:100vh;
}
.brand { display:flex; align-items:center; gap:11px; padding: 4px 20px 22px; border-bottom:1px solid var(--border-soft); margin-bottom:10px; }
.brand-mark {
    width:36px; height:36px; border-radius:10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display:flex; align-items:center; justify-content:center;
    font-weight:800; font-size:14px; color:#fff; letter-spacing:.02em;
    box-shadow: 0 4px 14px -4px rgba(37,99,235,.6);
}
.brand-title { font-weight:700; font-size:15px; line-height:1.2; }
.brand-sub { font-size:11px; color: var(--text-muted); margin-top:2px; }

.sidebar nav { display:flex; flex-direction:column; gap:8px; flex:1; padding: 8px 12px; }
.sidebar nav a {
    display:flex; align-items:center; gap:11px;
    padding:10px 13px; border-radius: 10px;
    color: #b9d3ec; font-size:13.5px; font-weight:600;
    background: linear-gradient(135deg, #16324f 0%, #1c3a5e 55%, #143050 100%);
    border: 1px solid rgba(125,178,232,.22);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.05), 0 2px 6px -2px rgba(0,0,0,.5);
    transition: background .15s ease, color .15s ease, border-color .15s ease, transform .1s ease;
}
.nav-icon {
    font-size:13px; width:24px; height:24px; text-align:center;
    display:flex; align-items:center; justify-content:center;
    border-radius:7px; background: rgba(125,178,232,.12);
    border: 1px solid rgba(125,178,232,.18);
}
.sidebar nav a:hover {
    background: linear-gradient(135deg, #1c3d61 0%, #234872 55%, #1a3a5e 100%);
    border-color: rgba(148,197,247,.4); color: #e2f0ff;
    transform: translateY(-1px);
}
.sidebar nav a.active {
    background: linear-gradient(135deg, #2455a3 0%, #1d6fc9 55%, #1a4d8f 100%);
    border-color: #4fa3ea; color: #ffffff;
    box-shadow: 0 0 0 1px rgba(79,163,234,.35), 0 4px 16px -4px rgba(29,111,201,.65), inset 0 1px 0 rgba(255,255,255,.12);
}
.sidebar nav a.active .nav-icon { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.3); }
.nav-sep { padding: 14px 13px 4px; font-size:10.5px; text-transform:uppercase; color: var(--text-muted); letter-spacing:.08em; font-weight:600; }

.sidebar-footer { padding: 12px 12px 0; border-top:1px solid var(--border-soft); margin-top:10px; display:flex; flex-direction:column; gap:4px; }
.account-row { display:flex; align-items:center; gap:10px; padding:8px; border-radius: var(--radius-sm); }
.account-row:hover { background: var(--bg-card-alt); }
.avatar {
    width:32px; height:32px; border-radius:50%; flex-shrink:0;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    display:flex; align-items:center; justify-content:center;
    font-weight:700; font-size:13px; color:#fff;
}
.account-info { flex:1; min-width:0; }
.account-name { font-size:13px; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.account-role { font-size:11px; color: var(--text-muted); }
.gear { color: var(--text-muted); font-size:13px; }
.logout-link { font-size:12.5px; color: var(--danger); padding:8px; border-radius: var(--radius-sm); font-weight:500; }
.logout-link:hover { background: var(--danger-soft); }

.content { flex:1; padding: 32px 40px; max-width: 1180px; }

.page-header { margin-bottom: 22px; }
h1 { margin: 0 0 5px; font-size: 23px; font-weight:700; letter-spacing:-.01em; }
.muted { color: var(--text-secondary); font-size: 13.5px; }
.muted.small { font-size: 11.5px; }

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border:1px solid var(--border-soft);
    border-radius: var(--radius);
    padding:20px 22px;
    margin: 16px 0;
    box-shadow: var(--shadow-card);
}
.card h3 { margin-top:0; margin-bottom:14px; font-size:14.5px; font-weight:600; }
.card-narrow { max-width: 420px; }

/* ===== Stat cards (dashboard) ===== */
.stat-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr)); gap:14px; margin-bottom:22px; }
.stat-card {
    background: var(--bg-card); border:1px solid var(--border-soft); border-radius: var(--radius);
    padding:18px 20px; box-shadow: var(--shadow-card);
    display:flex; flex-direction:column; gap:6px;
}
.stat-card .stat-icon {
    width:34px; height:34px; border-radius:9px; display:flex; align-items:center; justify-content:center;
    font-size:16px; margin-bottom:4px;
}
.stat-icon.icon-blue { background: var(--accent-soft); }
.stat-icon.icon-green { background: var(--success-soft); }
.stat-icon.icon-yellow { background: rgba(234,179,8,.14); }
.stat-value { font-size:26px; font-weight:800; letter-spacing:-.02em; }
.stat-label { font-size:12px; color: var(--text-secondary); font-weight:500; }

/* ===== Table ===== */
.table { width:100%; border-collapse: collapse; }
.table th, .table td { text-align:left; padding: 11px 10px; border-bottom: 1px solid var(--border-soft); font-size:13px; }
.table th { color: var(--text-muted); font-weight:600; font-size:11px; text-transform:uppercase; letter-spacing:.04em; }
.table tbody tr:hover { background: rgba(255,255,255,.015); }
.table tbody tr:last-child td { border-bottom:none; }

/* ===== Forms ===== */
input[type=text], input[type=password], textarea, select {
    background: var(--bg-input); border:1px solid var(--border); color: var(--text-primary);
    border-radius: var(--radius-sm); padding:9px 12px; font-size:13px;
    font-family: inherit; transition: border-color .12s ease;
}
input[type=text]:focus, input[type=password]:focus, textarea:focus, select:focus {
    outline:none; border-color: var(--accent);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
textarea { font-family: 'JetBrains Mono', monospace; }

.stack-form { display:flex; flex-direction:column; gap:14px; }
.field { display:flex; flex-direction:column; gap:6px; }
.field label { font-size:12px; color: var(--text-secondary); font-weight:500; }

/* ===== Buttons ===== */
.btn {
    display:inline-flex; align-items:center; justify-content:center; gap:6px;
    border:none; border-radius: var(--radius-sm); padding:9px 16px;
    font-size:13px; font-weight:600; cursor:pointer; font-family: inherit;
    transition: transform .06s ease, filter .12s ease, background .12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding:6px 11px; font-size:12px; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color:#fff; box-shadow: 0 3px 10px -3px rgba(37,99,235,.55); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-neutral { background: var(--bg-card-alt); color: var(--text-primary); border:1px solid var(--border); }
.btn-neutral:hover { background: #232939; }
.btn-danger { background: var(--danger); color:#fff; }
.btn-danger:hover { filter: brightness(1.08); }

.inline-form { display:flex; gap:8px; align-items:center; }
.inline { display:inline; }
.actions { display:flex; gap:6px; align-items:center; flex-wrap: wrap; }
.reset-pw { display:inline-block; }
.reset-pw form { margin-top:6px; }

/* ===== Pills / badges ===== */
.pill { padding:3px 10px; border-radius:20px; font-size:11px; font-weight:600; letter-spacing:.01em; }
.pill-green { background: var(--success-soft); color: var(--success); }
.pill-red { background: var(--danger-soft); color: var(--danger); }
.pill-gray { background: rgba(136,144,160,.14); color: var(--text-secondary); }
.badge { background: var(--accent); color:#fff; font-size:9.5px; font-weight:700; padding:2px 7px; border-radius:20px; margin-left:6px; text-transform:uppercase; letter-spacing:.03em; }

.dot { font-size:16px; }
.dot-gray { color: var(--text-muted); }
.dot-yellow { color: var(--warning); }
.dot-green { color: var(--success); }
.dot-red { color: var(--danger); }

/* ===== Log box ===== */
.log-box {
    background:#07080b; border:1px solid var(--border-soft); border-radius: var(--radius-sm);
    padding:12px 14px; height:220px; overflow-y:auto;
    font-family: 'JetBrains Mono', Consolas, monospace; font-size:12px; line-height:1.6;
}
.log-line { padding:1px 0; }
.log-info { color:#cbd2e1; }
.log-success { color: var(--success); }
.log-error { color: var(--danger); }

/* ===== Dashboard tiles ===== */
.grid-3 { display:grid; grid-template-columns: repeat(3,1fr); gap:14px; margin-top:18px; }
.tile {
    background: var(--bg-card); border:1px solid var(--border-soft); border-radius: var(--radius);
    padding:28px 18px; text-align:center; display:flex; flex-direction:column; gap:10px;
    font-size:30px; box-shadow: var(--shadow-card); transition: border-color .15s ease, transform .1s ease;
}
.tile:hover { border-color: var(--accent); transform: translateY(-2px); }
.tile span { font-size:13.5px; color: var(--text-primary); font-weight:600; }

/* ===== Login ===== */
.login-wrap {
    min-height:100vh; display:flex; align-items:center; justify-content:center;
    background: radial-gradient(circle at 30% 20%, #171b2e 0%, var(--bg-main) 60%);
}
.login-card {
    background: var(--bg-card); border:1px solid var(--border-soft); border-radius: 16px;
    padding:38px 32px; width:340px; display:flex; flex-direction:column; gap:11px;
    box-shadow: 0 20px 60px -20px rgba(0,0,0,.6);
}
.login-card h1 { margin:0; font-size:21px; font-weight:800; }
.login-card .sub { margin:0 0 12px; color: var(--text-secondary); font-size:13px; }
.login-card label { font-size:12px; color: var(--text-secondary); margin-top:4px; font-weight:500; }
.login-card button {
    margin-top:16px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color:#fff; border:none;
    border-radius: var(--radius-sm); padding:11px; font-weight:700; cursor:pointer; font-size:13.5px;
    box-shadow: 0 4px 14px -4px rgba(37,99,235,.6);
}
.login-card button:hover { filter: brightness(1.06); }
.alert { padding:9px 11px; border-radius: var(--radius-sm); font-size:12.5px; font-weight:500; }
.alert-error { background: var(--danger-soft); color: #ff8291; }
.alert-success { background: var(--success-soft); color: #6ee7a3; }