/* ============================================================
   POSLINK — Global Styles
   Theme: Navy/Blue/Orange — Inter font
   ============================================================ */

:root {
    --pos-navy: #0D1B3E;
    --pos-navy-light: #152347;
    --pos-blue: #1565C0;
    --pos-blue-light: #1976D2;
    --pos-accent: #FF6F00;
    --pos-accent-light: #FFA726;
    --pos-success: #2E7D32;
    --pos-warning: #F57C00;
    --pos-danger: #C62828;
    --pos-text: #1A1A2E;
    --pos-text-muted: #64748B;
    --pos-border: #E2E8F0;
    --pos-bg: #F8FAFC;
    --pos-card: #FFFFFF;
    --pos-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --pos-shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --pos-shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --pos-radius: 8px;
    --pos-radius-lg: 12px;
    --transition: all 0.2s ease;
}

* { box-sizing: border-box; }

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    color: var(--pos-text);
    background: var(--pos-bg);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* ── Loading Screen ─────────────────────────────────────── */
.app-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--pos-navy);
    gap: 16px;
}

.loading-title {
    font-size: 28px;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: 4px;
}

.loading-spinner { margin-top: 8px; }

.spinner-ring {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.2);
    border-top-color: var(--pos-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Drawer / Sidebar ──────────────────────────────────── */
.mud-drawer {
    background: linear-gradient(180deg, var(--pos-navy) 0%, #0A1628 100%) !important;
    border-right: none !important;
    box-shadow: 4px 0 20px rgba(0,0,0,0.3) !important;
}

.mud-drawer .mud-nav-link {
    border-radius: 8px !important;
    margin: 2px 12px !important;
    padding: 10px 14px !important;
    transition: var(--transition) !important;
    color: rgba(255,255,255,0.65) !important;
    font-weight: 500 !important;
}

.mud-drawer .mud-nav-link:hover {
    background: rgba(255,255,255,0.08) !important;
    color: #FFFFFF !important;
}

.mud-drawer .mud-nav-link.active,
.mud-drawer .mud-nav-link[aria-current="page"] {
    background: rgba(21,101,192,0.35) !important;
    color: #FFFFFF !important;
    border-left: 3px solid var(--pos-accent) !important;
}

/* ── AppBar ────────────────────────────────────────────── */
.mud-appbar {
    background: #FFFFFF !important;
    border-bottom: 1px solid var(--pos-border) !important;
    box-shadow: var(--pos-shadow) !important;
}

/* ── Cards ─────────────────────────────────────────────── */
.mud-card {
    border-radius: var(--pos-radius-lg) !important;
    box-shadow: var(--pos-shadow) !important;
    border: 1px solid var(--pos-border) !important;
    transition: var(--transition) !important;
}

.mud-card:hover { box-shadow: var(--pos-shadow-md) !important; }

/* ── KPI Cards ─────────────────────────────────────────── */
.kpi-card {
    border-radius: var(--pos-radius-lg);
    padding: 24px;
    background: var(--pos-card);
    border: 1px solid var(--pos-border);
    box-shadow: var(--pos-shadow);
    transition: var(--transition);
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--pos-shadow-lg);
}

.kpi-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--pos-text);
    line-height: 1;
    margin: 12px 0 4px;
}

.kpi-label {
    font-size: 13px;
    color: var(--pos-text-muted);
    font-weight: 500;
}

.kpi-trend {
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 2px;
    margin-top: 8px;
}

.kpi-trend.up { color: var(--pos-success); }
.kpi-trend.down { color: var(--pos-danger); }

/* ── POS Screen ─────────────────────────────────────────── */
.pos-screen {
    display: flex;
    height: calc(100vh - 64px);
    overflow: hidden;
}

.pos-products {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: var(--pos-bg);
}

.pos-cart {
    width: 380px;
    min-width: 380px;
    background: #FFFFFF;
    border-left: 1px solid var(--pos-border);
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 12px rgba(0,0,0,0.05);
}

.product-card {
    border-radius: var(--pos-radius);
    background: var(--pos-card);
    border: 1px solid var(--pos-border);
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
}

.product-card:hover {
    border-color: var(--pos-blue);
    box-shadow: 0 0 0 2px rgba(21,101,192,0.15);
    transform: translateY(-1px);
}

.product-card:active { transform: scale(0.98); }

/* ── Cart ────────────────────────────────────────────────── */
.cart-item:hover { background: #F8FAFC; }

/* ── Status Badges ─────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success { background: #DCFCE7; color: #166534; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger  { background: #FEE2E2; color: #991B1B; }
.badge-info    { background: #DBEAFE; color: #1E40AF; }
.badge-muted   { background: #F1F5F9; color: #64748B; }

/* ── Tables ─────────────────────────────────────────────── */
.mud-table-container { border-radius: var(--pos-radius-lg) !important; }

.mud-table thead tr th {
    background: #F8FAFC !important;
    font-weight: 600 !important;
    font-size: 12px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.6px !important;
    color: var(--pos-text-muted) !important;
    border-bottom: 2px solid var(--pos-border) !important;
}

.mud-table tbody tr { transition: background 0.15s !important; }
.mud-table tbody tr:hover { background: #F8FAFC !important; }

/* ── Forms ──────────────────────────────────────────────── */
.mud-input-outlined .mud-input-outlined-border {
    border-color: var(--pos-border) !important;
    border-radius: var(--pos-radius) !important;
}

.mud-input-outlined:hover .mud-input-outlined-border {
    border-color: var(--pos-blue) !important;
}

/* ── Buttons ────────────────────────────────────────────── */
.mud-button-filled.mud-button-filled-primary {
    background: linear-gradient(135deg, var(--pos-blue) 0%, var(--pos-blue-light) 100%) !important;
    box-shadow: 0 2px 8px rgba(21,101,192,0.3) !important;
    border-radius: var(--pos-radius) !important;
}

.mud-button-filled.mud-button-filled-primary:hover {
    box-shadow: 0 4px 12px rgba(21,101,192,0.45) !important;
}

/* ── Report Cards ──────────────────────────────────────── */
.report-card {
    border-radius: var(--pos-radius-lg);
    padding: 24px;
    background: var(--pos-card);
    border: 1px solid var(--pos-border);
    cursor: pointer;
    transition: var(--transition);
    height: 100%;
}

.report-card:hover {
    border-color: var(--pos-blue);
    box-shadow: var(--pos-shadow-md);
    transform: translateY(-2px);
}

/* ── Nav Section ────────────────────────────────────────── */
.nav-section-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    padding: 16px 24px 6px;
    display: block;
}

/* ── Nav Item Active State ──────────────────────────────── */
.nav-item {
    transition: all 0.2s ease;
}

.nav-item:hover {
    background: rgba(255,255,255,0.06) !important;
}

.nav-item-active {
    background: rgba(21,101,192,0.25) !important;
    border-left: 3px solid #FF6F00;
}

/* ── Scrollbars ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #94A3B8; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 960px) {
    .pos-screen { flex-direction: column; height: auto; }
    .pos-cart { width: 100%; min-width: unset; border-left: none; border-top: 1px solid var(--pos-border); }
}

@media (max-width: 600px) {
    .kpi-value { font-size: 22px; }
    .pos-products { padding: 8px; }
}

/* ── Blazor Error ───────────────────────────────────────── */
#blazor-error-ui {
    background: #FEE2E2;
    bottom: 0; left: 0; right: 0;
    position: fixed;
    padding: 12px 20px;
    display: none;
    z-index: 1000;
    font-size: 13px;
    color: var(--pos-danger);
    border-top: 1px solid #FECACA;
}