:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-700: #1e40af;
    --bg: #f1f5f9;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --muted: #64748b;
    --radius: 10px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}
a { color: var(--primary); text-decoration: none; cursor: pointer; }
svg.ic { width: 18px; height: 18px; fill: currentColor; flex: none; }

/* ---------- Topbar ---------- */
.topbar {
    height: 60px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 22px;
    position: sticky; top: 0; z-index: 30;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 40px; width: auto; }
.brand-name { font-size: 14px; font-weight: 700; color: #0f2d52; letter-spacing: .2px; line-height: 1.15; }
.brand-sub { font-size: 11px; color: var(--muted); letter-spacing: .3px; }
.topbar-right { display: flex; align-items: center; gap: 14px; color: var(--muted); }
.topbar-right .hello { font-size: 13px; color: var(--text); }
.role-chip {
    background: var(--primary-50); color: var(--primary-700);
    padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; text-transform: uppercase;
}
.icon-btn {
    width: 34px; height: 34px; border: 1px solid var(--border); background: #fff; color: var(--muted);
    border-radius: 8px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: var(--primary-50); color: var(--primary); border-color: var(--primary-100); }
.logout { color: var(--muted); font-weight: 500; }
.logout:hover { color: var(--primary); }

/* ---------- Layout ---------- */
.layout { display: flex; align-items: flex-start; min-height: calc(100vh - 60px); }
.sidebar {
    width: 248px; background: var(--surface); border-right: 1px solid var(--border);
    padding: 10px 12px 24px; position: sticky; top: 60px; align-self: stretch;
    min-height: calc(100vh - 60px);
}
.menu-section {
    font-size: 10.5px; font-weight: 700; letter-spacing: .6px; color: #94a3b8;
    text-transform: uppercase; padding: 16px 12px 6px;
}
.sidebar a {
    display: flex; align-items: center; gap: 11px; color: #475569; font-weight: 500;
    padding: 9px 12px; border-radius: 8px; margin: 2px 0; position: relative;
}
.sidebar a:hover { background: #f8fafc; color: var(--primary); }
.sidebar a.active { background: var(--primary-50); color: var(--primary); font-weight: 600; }
.sidebar a.active::before {
    content: ''; position: absolute; left: -12px; top: 8px; bottom: 8px; width: 3px;
    background: var(--primary); border-radius: 0 3px 3px 0;
}
.content { flex: 1; padding: 24px 28px; min-width: 0; }

/* ---------- Cards ---------- */
.card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: 0 1px 2px rgba(15,23,42,.04); padding: 22px; margin-bottom: 20px;
}
.card h2 { margin: 0 0 4px; font-size: 17px; font-weight: 600; color: #0f2d52; }
.card .sub { color: var(--muted); margin-bottom: 18px; font-size: 13px; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.stat {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px 20px;
}
.stat .n { font-size: 26px; font-weight: 700; color: var(--primary); }
.stat .l { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* ---------- Forms ---------- */
label { display: block; font-size: 13px; color: #334155; margin: 10px 0 5px; font-weight: 500; }
input, select, textarea {
    width: 100%; padding: 9px 12px; border: 1px solid #cbd5e1; border-radius: 8px;
    font-size: 14px; font-family: inherit; color: var(--text); background: #fff;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-50); }
input:disabled { background: #f1f5f9; color: var(--muted); }
textarea { min-height: 120px; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 180px; }

.btn {
    background: var(--primary); color: #fff; border: none; padding: 9px 18px; border-radius: 8px;
    cursor: pointer; font-size: 14px; font-weight: 600; font-family: inherit;
}
.btn:hover { background: var(--primary-dark); }
.btn.sec { background: #fff; color: #334155; border: 1px solid #cbd5e1; }
.btn.sec:hover { background: #f8fafc; color: var(--primary); border-color: var(--primary-100); }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .4px; background: #f8fafc; }
tr:hover td { background: #f8fafc; }

.badge { padding: 3px 9px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge.laden { background: #dcfce7; color: #15803d; }
.badge.hold { background: #fee2e2; color: #b91c1c; }
.badge.plain { background: #f1f5f9; color: #475569; }

/* ---------- Auth ---------- */
.auth-wrap { max-width: 440px; margin: 56px auto; }
.auth-wrap .card { padding: 28px; }
.msg { padding: 10px 13px; border-radius: 8px; margin: 12px 0; font-size: 13px; }
.msg.err { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.msg.ok { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.muted { color: var(--muted); font-size: 12px; }
pre { background: #0f2d52; color: #cfe3ff; padding: 14px; border-radius: 8px; overflow: auto; font-size: 12px; }
.tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.tabs button { background: #f1f5f9; border: 1px solid var(--border); padding: 8px 16px; border-radius: 8px; cursor: pointer; font-weight: 500; color: #475569; }
.tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }