/* ==========================================================
   COMMAND CENTRE - Core Styles
   ========================================================== */

:root {
    --bg-main: #0f1419;
    --bg-panel: #161d27;
    --bg-card: #1c2530;
    --bg-hover: #232d3a;
    --border: #2a3441;
    --text-primary: #e8edf2;
    --text-secondary: #8b97a5;
    --text-muted: #5c6773;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
}

* { box-sizing: border-box; }

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

a { color: var(--accent); text-decoration: none; }

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

.sidebar {
    width: 220px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    flex-shrink: 0;
}

.sidebar-brand {
    padding: 0 20px 20px;
    font-size: 16px;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.sidebar-brand span { color: var(--accent); }

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-weight: 500;
    border-left: 3px solid transparent;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-left-color: var(--accent);
}

.main-content {
    flex: 1;
    padding: 24px 32px;
    max-width: 100%;
    overflow-x: hidden;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-title {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.user-chip .role-badge {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---------- Cards & Grids ---------- */
.grid {
    display: grid;
    gap: 16px;
}

.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 1100px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
}

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 26px;
    font-weight: 700;
}

.stat-card .stat-delta {
    font-size: 12px;
    margin-top: 6px;
}

.stat-delta.up { color: var(--success); }
.stat-delta.down { color: var(--danger); }

/* ---------- Tables ---------- */
.table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    padding: 12px 16px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-neutral { background: var(--bg-panel); color: var(--text-secondary); }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 16px; }

label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

input, select, textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.btn {
    display: inline-block;
    padding: 9px 18px;
    border-radius: 6px;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    background: var(--accent);
    color: #fff;
}

.btn:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-panel); color: var(--text-primary); border: 1px solid var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

.btn-row { display: flex; gap: 10px; }

/* ---------- Login page ---------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    width: 360px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.login-box h1 {
    font-size: 20px;
    margin: 0 0 4px;
}

.login-box .subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 24px;
}

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
}

.alert-error { background: rgba(239,68,68,0.1); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.alert-success { background: rgba(34,197,94,0.1); color: #86efac; border: 1px solid rgba(34,197,94,0.3); }

/* ---------- Tabs / FY switcher ---------- */
.tab-row {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.tab-item {
    padding: 10px 16px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.tab-item.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
}

.section-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-overlay.open { display: flex; }

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    width: 480px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-box h2 {
    margin: 0 0 18px;
    font-size: 17px;
}