:root {
    --bg-0: #07090d;
    --bg-1: #0d1117;
    --bg-2: #141a24;
    --bg-3: #1b2330;
    --line: #222b3a;
    --text-0: #e6edf3;
    --text-1: #c3cbd6;
    --text-2: #8792a4;
    --text-3: #5a6578;
    --accent: #39ff88;
    --accent-dim: #1f9a53;
    --warn: #ffb547;
    --danger: #ff5a6a;
    --info: #4cc8ff;
    --radius: 10px;
    --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;
    --sans: 'Space Grotesk', 'Inter', system-ui, sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg-0);
    color: var(--text-1);
    font-family: var(--sans);
    font-size: 14px;
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* ============== LAYOUT ============== */
.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* ============== SIDEBAR ============== */
.sidebar {
    background: var(--bg-1);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    padding: 24px 0;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 22px 24px;
    border-bottom: 1px solid var(--line);
}

.brand-logo {
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: var(--bg-0);
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-size: 18px;
}

.brand-title {
    font-family: var(--mono);
    font-weight: 700;
    font-size: 15px;
    color: var(--text-0);
    letter-spacing: 2px;
}

.brand-sub {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 1px;
}

.side-nav {
    flex: 1;
    padding: 18px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
}

.nav-section {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 16px 12px 8px;
}

.side-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 6px;
    color: var(--text-2);
    font-weight: 500;
    transition: background-color .18s ease, color .18s ease;
    position: relative;
}

.side-nav a i { width: 18px; text-align: center; font-size: 14px; }

.side-nav a:hover {
    background: var(--bg-2);
    color: var(--text-0);
}

.side-nav a.active {
    background: var(--bg-2);
    color: var(--accent);
}

.side-nav a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    bottom: 20%;
    width: 3px;
    background: var(--accent);
    border-radius: 3px;
}

.side-footer {
    padding: 16px 22px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-3);
    border-top: 1px solid var(--line);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

/* ============== USER CHIP (sidebar footer) ============== */
.user-chip {
    margin: 12px;
    padding: 12px;
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    grid-template-columns: 36px 1fr auto;
    gap: 10px;
    align-items: center;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--info));
    color: var(--bg-0);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-family: var(--mono);
    font-size: 14px;
}

.user-info { min-width: 0; }

.user-name {
    color: var(--text-0);
    font-size: 13px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-role { margin-top: 2px; }

.logout-btn {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: grid;
    place-items: center;
    color: var(--text-2);
    background: transparent;
    border: 1px solid var(--line);
    transition: all .18s ease;
}

.logout-btn:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: rgba(255,90,106,.08);
}

/* ============== ROLE BANNER ============== */
.role-banner {
    background: rgba(76,200,255,.08);
    border: 1px solid rgba(76,200,255,.3);
    color: var(--info);
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 12px;
    font-family: var(--mono);
    letter-spacing: .5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ============== TOPBAR / MAIN ============== */
.main-content {
    padding: 28px 36px;
    min-width: 0;
    background:
        radial-gradient(1200px 500px at 90% -10%, rgba(57,255,136,.04), transparent 60%),
        var(--bg-0);
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 28px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.breadcrumb-mini {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 2px;
    margin-bottom: 6px;
}

.page-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-0);
    margin: 0;
    letter-spacing: -.5px;
}

.date-chip {
    background: var(--bg-2);
    border: 1px solid var(--line);
    padding: 8px 14px;
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-1);
    display: inline-flex;
    gap: 8px;
    align-items: center;
}

.app-footer {
    margin-top: 48px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-3);
    text-align: center;
}

/* ============== CARDS / PANELS ============== */
.panel {
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 20px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--line);
}

.panel-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-0);
    margin: 0;
    letter-spacing: -.2px;
}

.panel-header .subtitle {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 1px;
}

/* ============== STAT CARDS ============== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: transform .2s ease, border-color .2s ease;
}

.stat-card:hover { transform: translateY(-2px); border-color: var(--accent-dim); }

.stat-card::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    opacity: .06;
}

.stat-label {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.stat-value {
    font-family: var(--mono);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-0);
    margin-top: 6px;
}

.stat-icon {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 22px;
    color: var(--accent);
    opacity: .5;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-2);
    margin-top: 8px;
}

/* ============== TABLES ============== */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-1);
}

table.data-table thead th {
    background: var(--bg-2);
    color: var(--text-3);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

table.data-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    color: var(--text-1);
    font-size: 13px;
}

table.data-table tbody tr:last-child td { border-bottom: none; }
table.data-table tbody tr:hover { background: var(--bg-2); }

/* ============== BADGES ============== */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .5px;
    border: 1px solid transparent;
}

.badge-success { background: rgba(57,255,136,.1); color: var(--accent); border-color: rgba(57,255,136,.3); }
.badge-warn { background: rgba(255,181,71,.1); color: var(--warn); border-color: rgba(255,181,71,.3); }
.badge-danger { background: rgba(255,90,106,.12); color: var(--danger); border-color: rgba(255,90,106,.3); }
.badge-info { background: rgba(76,200,255,.1); color: var(--info); border-color: rgba(76,200,255,.3); }
.badge-muted { background: var(--bg-3); color: var(--text-2); border-color: var(--line); }

/* ============== BUTTONS ============== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 6px;
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color .18s ease, color .18s ease, border-color .18s ease;
    text-decoration: none;
}

.btn-primary { background: var(--accent); color: var(--bg-0); border-color: var(--accent); }
.btn-primary:hover { background: #4bffa0; color: var(--bg-0); }

.btn-ghost { background: transparent; color: var(--text-1); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-2); border-color: var(--text-3); color: var(--text-0); }

.btn-danger { background: transparent; color: var(--danger); border-color: rgba(255,90,106,.3); }
.btn-danger:hover { background: rgba(255,90,106,.1); color: var(--danger); }

.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ============== FORMS ============== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.form-control,
.form-select {
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--text-0);
    padding: 10px 12px;
    font-size: 14px;
    font-family: var(--sans);
    transition: border-color .18s ease, background-color .18s ease;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    background: var(--bg-3);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(57,255,136,.1);
}

.form-control::placeholder { color: var(--text-3); }

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px dashed var(--line);
    margin-top: 10px;
}

.text-danger, .field-validation-error {
    color: var(--danger);
    font-size: 12px;
    margin-top: 4px;
}

/* ============== ALERT ============== */
.alert {
    border-radius: 6px;
    padding: 12px 16px;
    font-size: 13px;
    border: 1px solid var(--line);
    margin-bottom: 20px;
    background: var(--bg-1);
}

.alert-success { color: var(--accent); border-color: rgba(57,255,136,.3); background: rgba(57,255,136,.06); }
.alert-danger { color: var(--danger); border-color: rgba(255,90,106,.3); background: rgba(255,90,106,.06); }
.alert .btn-close { filter: invert(1); opacity: .5; }

/* ============== DASHBOARD KPI DETAIL ============== */
.kpi-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.chart-card {
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
}

/* ============== INVOICE / FACTURE PRINT ============== */
.invoice {
    background: #ffffff;
    color: #0b1220;
    padding: 48px;
    border-radius: 12px;
    max-width: 820px;
    margin: 20px auto;
    font-family: 'Space Grotesk', sans-serif;
}

.invoice .inv-head {
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid #0b1220;
    padding-bottom: 20px;
    margin-bottom: 24px;
}

.invoice .inv-brand {
    font-family: var(--mono);
    letter-spacing: 3px;
    font-size: 20px;
    font-weight: 700;
}

.invoice table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.invoice table th,
.invoice table td {
    padding: 10px 12px;
    border-bottom: 1px solid #d7dde6;
    text-align: left;
    font-size: 14px;
}

.invoice table th {
    background: #f3f5f8;
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.invoice .inv-totals {
    margin-top: 24px;
    display: flex;
    justify-content: flex-end;
}

.invoice .inv-totals-box {
    width: 320px;
    background: #f8fafc;
    padding: 18px;
    border-radius: 8px;
    border: 1px solid #d7dde6;
}

.invoice .inv-totals-box .line {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 14px;
}

.invoice .inv-totals-box .line.total {
    font-size: 18px;
    font-weight: 700;
    border-top: 2px solid #0b1220;
    padding-top: 10px;
    margin-top: 6px;
}

.no-print { }
@media print {
    body { background: white; }
    .no-print, .sidebar, .topbar, .app-footer { display: none !important; }
    .main-content { padding: 0; background: white; }
    .invoice { box-shadow: none; margin: 0; }
    .app-shell { grid-template-columns: 1fr; }
}

/* Toolbar */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.search-input {
    background: var(--bg-2);
    border: 1px solid var(--line);
    color: var(--text-0);
    padding: 9px 14px;
    border-radius: 6px;
    min-width: 240px;
}

.empty-state {
    padding: 60px 20px;
    text-align: center;
    color: var(--text-3);
    font-family: var(--mono);
}

/* Responsive */
@media (max-width: 900px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; height: auto; }
    .form-grid { grid-template-columns: 1fr; }
    .kpi-row { grid-template-columns: 1fr; }
    .main-content { padding: 18px; }
}