/* ===== SAE COLOR SYSTEM ===== */
:root {
    --sae-bg:         #0d1b2a;
    --sae-bg-card:    #162032;
    --sae-bg-nav:     #0d1b2a;
    --sae-bg-input:   #1a2d42;
    --sae-blue:       #2563eb;
    --sae-blue-hover: #1d4ed8;
    --sae-blue-light: #3b82f6;
    --sae-teal:       #00d4aa;
    --sae-border:     #1e3a5f;
    --sae-text:       #e2e8f0;
    --sae-muted:      #94a3b8;
}

/* ===== BASE ===== */
html, body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(ellipse at top left, #1a2d42 0%, #0d1b2a 55%, #060d16 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--sae-text);
}

/* ===== BOOTSTRAP DARK OVERRIDES ===== */
[data-bs-theme="dark"] {
    --bs-body-bg:           var(--sae-bg);
    --bs-body-color:        var(--sae-text);
    --bs-primary:           var(--sae-blue);
    --bs-primary-rgb:       37, 99, 235;
    --bs-card-bg:           var(--sae-bg-card);
    --bs-border-color:      var(--sae-border);
    --bs-secondary-bg:      var(--sae-bg-card);
    --bs-tertiary-bg:       var(--sae-bg-input);
}

/* ===== NAVBAR ===== */
.sae-navbar {
    background-color: var(--sae-bg-nav) !important;
    border-bottom: 1px solid var(--sae-border);
    padding: 0.75rem 0;
}

.sae-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.sae-brand .brand-icon {
    color: var(--sae-blue);
    font-size: 1.5rem;
}

.sae-brand .brand-sae {
    color: var(--sae-blue);
}

.sae-brand .brand-rest {
    color: var(--sae-text);
}

.sae-nav-link {
    color: var(--sae-muted) !important;
    font-weight: 500;
    padding: 0.4rem 0.9rem !important;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all 0.2s;
}

.sae-nav-link:hover {
    color: var(--sae-text) !important;
    border-color: var(--sae-border);
}

.sae-nav-link.active {
    color: var(--sae-text) !important;
    border-color: var(--sae-blue) !important;
    background-color: rgba(37, 99, 235, 0.1);
}

.sae-dropdown-item {
    color: var(--sae-muted);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.55rem 1rem;
    transition: background 0.15s, color 0.15s;
}

.sae-dropdown-item:hover,
.sae-dropdown-item:focus {
    background: rgba(37, 99, 235, 0.12);
    color: var(--sae-text);
}

.nav-item.dropdown .sae-nav-link:focus {
    outline: none;
}

/* ===== BUTTONS ===== */
.sae-btn-primary {
    background-color: var(--sae-blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.45rem 1.1rem;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background-color 0.2s, transform 0.1s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.sae-btn-primary:hover {
    background-color: var(--sae-blue-hover);
    color: #fff;
    transform: translateY(-1px);
}

.sae-btn-outline {
    background-color: transparent;
    color: var(--sae-blue);
    border: 1px solid var(--sae-blue);
    border-radius: 8px;
    padding: 0.45rem 1.1rem;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.sae-btn-outline:hover {
    background-color: rgba(37, 99, 235, 0.15);
    color: var(--sae-blue-light);
}

/* ===== CARDS ===== */
.sae-card {
    background-color: var(--sae-bg-card);
    border: 1px solid var(--sae-border);
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
    overflow: hidden;
}

.sae-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.2);
    border-color: var(--sae-blue);
}

.sae-card .card-body {
    background-color: transparent;
    color: var(--sae-text);
}

.sae-card .card-title {
    color: var(--sae-text);
    font-weight: 600;
}

/* ===== PRODUCT IMAGE ===== */
.product-img {
    height: 200px;
    object-fit: cover;
    width: 100%;
}

.no-img {
    height: 200px;
    background: linear-gradient(135deg, #162032, #1a2d42);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: var(--sae-border);
}

/* ===== CATEGORY FILTER BUTTONS ===== */
.cat-btn {
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.35rem 1rem;
    transition: all 0.2s;
}

.cat-btn-active {
    background-color: var(--sae-blue);
    border-color: var(--sae-blue);
    color: #fff;
}

.cat-btn-inactive {
    background-color: transparent;
    border: 1px solid var(--sae-border);
    color: var(--sae-muted);
}

.cat-btn-inactive:hover {
    border-color: var(--sae-blue);
    color: var(--sae-text);
}

/* ===== FORM CONTROLS ===== */
.form-control, .form-select {
    background-color: var(--sae-bg-input) !important;
    border-color: var(--sae-border) !important;
    color: var(--sae-text) !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--sae-blue) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2) !important;
}

.form-control::placeholder {
    color: var(--sae-muted);
}

.input-group-text {
    background-color: var(--sae-bg-input) !important;
    border-color: var(--sae-border) !important;
    color: var(--sae-muted) !important;
}

/* ===== BADGES ===== */
.badge-category {
    background-color: rgba(37, 99, 235, 0.15);
    color: var(--sae-blue-light);
    border: 1px solid rgba(37, 99, 235, 0.3);
    font-weight: 500;
}

/* ===== PAGE TITLE SECTION ===== */
.sae-page-header {
    border-bottom: 1px solid var(--sae-border);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

/* ===== DETAIL PAGE ===== */
.sae-detail-card {
    background-color: var(--sae-bg-card);
    border: 1px solid var(--sae-border);
    border-radius: 12px;
    padding: 2rem;
}

/* ===== BREADCRUMB ===== */
.breadcrumb-item a {
    color: var(--sae-blue-light);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--sae-muted);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--sae-border);
}

/* ===== ALERTS ===== */
.alert-danger {
    background-color: rgba(220, 38, 38, 0.15);
    border-color: rgba(220, 38, 38, 0.3);
    color: #fca5a5;
}

.alert-info {
    background-color: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
    color: var(--sae-blue-light);
}

/* ===== STOCK CONTROLS ===== */
.stock-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stock-btn {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: all 0.15s;
    padding: 0;
}

/* ===== DASHBOARD KPI ===== */
.sae-kpi-card {
    background-color: var(--sae-bg-card);
    border: 1px solid var(--sae-border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: border-color 0.2s;
}

.sae-kpi-card.sae-kpi-warning { border-color: rgba(234,179,8,0.4); }
.sae-kpi-card.sae-kpi-info    { border-color: rgba(0,212,170,0.4); }

.sae-kpi-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.sae-kpi-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--sae-text);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.sae-kpi-label {
    font-size: 0.8rem;
    color: var(--sae-muted);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--sae-bg); }
::-webkit-scrollbar-thumb { background: var(--sae-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--sae-blue); }

/* ===== MISC ===== */
.sae-text-muted { color: var(--sae-muted) !important; }
.sae-text-accent { color: var(--sae-teal); }
.sae-price { color: var(--sae-blue-light); font-weight: 700; }
.sae-border-left { border-left: 3px solid var(--sae-blue) !important; }

#blazor-error-ui {
    background: #1a2d42;
    border-top: 1px solid var(--sae-blue);
    color: var(--sae-text);
    bottom: 0;
    display: none;
    left: 0;
    padding: 0.75rem 1.5rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 0.75rem;
}

/* ===== LABEL PRINT ===== */
@media print {
    .print-controls { display: none !important; }
    .sae-navbar      { display: none !important; }
    body { background: #fff !important; margin: 0 !important; }
    @page { margin: 1cm; }
}