/* ============================================
   BricoDiscount Admin Panel Stylesheet
   ============================================ */
:root {
    --admin-primary: #8B1A2B;
    --admin-primary-dark: #6D1420;
    --admin-primary-light: #A82040;
    --admin-gold: #C49B0C;
    --admin-dark: #1A1A1E;
    --admin-sidebar: #0F0308;
    --admin-bg: #F5F5F7;
    --admin-white: #FFFFFF;
    --admin-border: #D8D8DE;
    --admin-text: #2B2B30;
    --admin-text-light: #6A6A75;
    --admin-success: #10b981;
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-info: #3b82f6;
    --admin-radius: 10px;
    --admin-shadow: 0 1px 3px rgba(0,0,0,0.08);
    --admin-shadow-lg: 0 8px 24px -4px rgba(0,0,0,0.12);
    --admin-shadow-glow: 0 0 0 3px rgba(139,26,43,0.1);
    --admin-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --admin-transition: 200ms ease;
    --sidebar-width: 250px;
    --admin-card-hover-bg: #F0F0F5;
    --admin-input-focus-bg: #FFFFFF;
    --admin-table-header-bg: #EEEEF0;
    --admin-table-hover-bg: #F5F5F7;
    --admin-filters-bg: #EEEEF0;
    --admin-skeleton-bg: #D8D8DE;
    --admin-skeleton-shimmer: rgba(0,0,0,0.04);
}

[data-theme="dark"] {
    --admin-bg: #1A1A1E;
    --admin-white: #242428;
    --admin-border: #3A3A42;
    --admin-text: #E0DDD8;
    --admin-text-light: #8A8A92;
    --admin-shadow: 0 1px 3px rgba(0,0,0,0.12);
    --admin-shadow-lg: 0 8px 24px -4px rgba(0,0,0,0.15);
    --admin-card-hover-bg: #2E2E34;
    --admin-input-focus-bg: #2E2E34;
    --admin-table-header-bg: #1E1E22;
    --admin-table-hover-bg: #2E2E34;
    --admin-filters-bg: #1E1E22;
    --admin-skeleton-bg: #3A3A42;
    --admin-skeleton-shimmer: rgba(255,255,255,0.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { font-size: 14px; }
body.admin-body {
    font-family: var(--admin-font);
    background-color: var(--admin-bg);
    color: var(--admin-text);
    line-height: 1.5;
    min-height: 100vh;
}

[data-theme="dark"] body.admin-body {
    background:
        linear-gradient(135deg,
            #1A1A1E 0%, #1E1E24 20%, #222228 40%,
            #28282E 60%, #202026 75%, #28282E 85%,
            #222228 92%, #1A1A1E 100%);
    background-size: 400% 400%;
    animation: darkWave 10s ease infinite;
}

@keyframes darkWave {
    0%   { background-position: 0% 50%; }
    25%  { background-position: 50% 100%; }
    50%  { background-position: 100% 50%; }
    75%  { background-position: 50% 0%; }
    100% { background-position: 0% 50%; }
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
img { max-width: 100%; height: auto; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* Layout */
.admin-layout { display: flex; min-height: 100vh; }

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--admin-sidebar);
    color: #94a3b8;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform 0.25s ease;
}
.sidebar__header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.sidebar__logo {
    display: flex; flex-direction: column; gap: 2px; color: #fff;
}
.sidebar__logo span { font-size: 1.15rem; font-weight: 300; letter-spacing: -0.01em; }
.sidebar__logo strong { font-weight: 800; color: var(--admin-gold); }
.sidebar__logo small { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: #64748b; }

.sidebar__nav { flex: 1; padding: 1rem 0; overflow-y: auto; }
.sidebar__nav ul { display: flex; flex-direction: column; gap: 2px; padding: 0 0.75rem; }
.sidebar__nav a {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.65rem 0.85rem; border-radius: 6px;
    font-size: 0.92rem; font-weight: 500;
    color: #94a3b8; transition: all 0.15s ease;
}
.sidebar__nav a:hover { background: rgba(255,255,255,0.06); color: #e2e8f0; }
.sidebar__nav a.active { background: var(--admin-primary); color: #fff; }
.sidebar__nav a.active svg { color: var(--admin-gold); }

.sidebar__footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.sidebar__link-ext {
    font-size: 0.8rem; color: #64748b; transition: color 0.15s;
}
.sidebar__link-ext:hover { color: var(--admin-gold); }

/* ---- Main Area ---- */
.admin-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex; flex-direction: column;
    min-height: 100vh;
}

/* Top Bar */
.admin-topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1.5rem; height: 56px;
    background: var(--admin-white);
    border-bottom: 1px solid var(--admin-border);
    position: sticky; top: 0; z-index: 50;
}
.admin-topbar__toggle { display: none; padding: 0.5rem; color: var(--admin-text); }
.admin-topbar__right { display: flex; align-items: center; gap: 1rem; margin-left: auto; }
.admin-topbar__user { font-weight: 600; font-size: 0.85rem; color: var(--admin-text); }
.admin-topbar__logout {
    font-size: 0.8rem; color: var(--admin-danger); font-weight: 500;
    padding: 0.35rem 0.75rem; border-radius: 4px; border: 1px solid var(--admin-danger);
    transition: all 0.15s;
}
.admin-topbar__logout:hover { background: var(--admin-danger); color: #fff; }

/* Flash Messages */
.admin-flash { padding: 0.75rem 1.5rem 0; }
.admin-alert {
    padding: 0.75rem 1rem; border-radius: var(--admin-radius);
    font-size: 0.85rem; font-weight: 500; margin-bottom: 0.5rem;
}
.admin-alert--success { background: #d1fae5; color: #065f46; border-left: 4px solid var(--admin-success); }
.admin-alert--error { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--admin-danger); }
.admin-alert--warning { background: #fef3c7; color: #92400e; border-left: 4px solid var(--admin-warning); }
.admin-alert--info { background: #dbeafe; color: #1e40af; border-left: 4px solid var(--admin-info); }

/* Content */
.admin-content { flex: 1; padding: 1.5rem; }

/* Footer */
.admin-footer {
    padding: 1rem 1.5rem; text-align: center;
    font-size: 0.75rem; color: var(--admin-text-light);
    border-top: 1px solid var(--admin-border);
}

/* ---- Components ---- */

/* Page Header */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem;
}
.page-header h1 { font-size: 1.5rem; font-weight: 700; color: var(--admin-primary); }
.page-header__actions { display: flex; gap: 0.5rem; }

/* Cards */
.card {
    background: var(--admin-white);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    transition: box-shadow var(--admin-transition);
}
.card:hover {
    box-shadow: var(--admin-shadow-lg);
}
.card__header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex; align-items: center; justify-content: space-between;
}
.card__header h2 { font-size: 1rem; font-weight: 600; }
.card__body { padding: 1.25rem; }
.card__footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--admin-border);
    background: var(--admin-table-header-bg);
}

/* Stat Cards */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card {
    background: var(--admin-white); border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius); padding: 1.25rem;
    display: flex; flex-direction: column; gap: 0.25rem;
}
.stat-card__label { font-size: 0.75rem; font-weight: 600; color: var(--admin-text-light); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card__value { font-size: 1.75rem; font-weight: 800; color: var(--admin-primary); }
.stat-card__sub { font-size: 0.8rem; color: var(--admin-text-light); }

/* Tables */
.table-wrapper { overflow-x: auto; }
table.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
    text-align: left; padding: 0.75rem 1rem;
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.05em; color: var(--admin-text);
    background: var(--admin-table-header-bg); border-bottom: 2px solid var(--admin-border);
}
.admin-table td {
    padding: 0.75rem 1rem; border-bottom: 1px solid var(--admin-border);
    font-size: 0.85rem; vertical-align: middle;
}
.admin-table tr:hover td { background: var(--admin-table-hover-bg); }
.admin-table img.thumb { width: 40px; height: 40px; object-fit: cover; border-radius: 4px; background: var(--admin-table-header-bg); }

/* Badges */
.badge {
    display: inline-block; padding: 0.2rem 0.6rem;
    font-size: 0.7rem; font-weight: 600; border-radius: 999px;
    text-transform: uppercase; letter-spacing: 0.03em; white-space: nowrap;
}
.badge--active, .badge--delivered, .badge--paid { background: #d1fae5; color: #065f46; }
.badge--inactive, .badge--cancelled, .badge--failed { background: #fee2e2; color: #991b1b; }
.badge--draft { background: #e2e8f0; color: #475569; }
.badge--pending { background: #fef3c7; color: #92400e; }
.badge--confirmed, .badge--processing { background: #dbeafe; color: #1e40af; }
.badge--shipped { background: #e0e7ff; color: #3730a3; }
.badge--refunded { background: #fce7f3; color: #9d174d; }

/* Buttons */
.btn-admin {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.55rem 1.1rem; font-size: 0.85rem; font-weight: 600;
    border-radius: 8px; border: 1px solid transparent;
    cursor: pointer; transition: all var(--admin-transition); white-space: nowrap;
    text-align: center; justify-content: center;
}
.btn-admin:hover {
    transform: translateY(-1px);
}
.btn-admin:active {
    transform: translateY(0);
}
.btn-admin--primary { background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%); color: #fff; }
.btn-admin--primary:hover { background: linear-gradient(135deg, var(--admin-primary-light) 0%, var(--admin-primary) 100%); box-shadow: var(--admin-shadow-lg); }
.btn-admin--success { background: var(--admin-success); color: #fff; }
.btn-admin--success:hover { background: #059669; }
.btn-admin--danger { background: var(--admin-danger); color: #fff; }
.btn-admin--danger:hover { background: #dc2626; }
.btn-admin--outline { background: transparent; color: var(--admin-text); border-color: var(--admin-border); }
.btn-admin--outline:hover { background: var(--admin-card-hover-bg); border-color: var(--admin-primary); }
.btn-admin--sm { padding: 0.35rem 0.75rem; font-size: 0.78rem; }
.btn-admin--gold { background: var(--admin-gold); color: #1a1a2e; }
.btn-admin--gold:hover { background: #c9a430; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block; margin-bottom: 0.35rem;
    font-size: 0.8rem; font-weight: 600; color: var(--admin-text);
}
.form-group label .required { color: var(--admin-danger); }
.form-control {
    width: 100%; padding: 0.6rem 0.85rem;
    border: 1px solid var(--admin-border); border-radius: 6px;
    background: var(--admin-white); color: var(--admin-text);
    transition: border-color 0.15s, box-shadow 0.15s;
    font-size: 0.9rem;
}
.form-control:focus {
    outline: none; border-color: var(--admin-primary);
    box-shadow: var(--admin-shadow-glow);
    background-color: var(--admin-input-focus-bg);
}
select.form-control { appearance: auto; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.form-help { font-size: 0.75rem; color: var(--admin-text-light); margin-top: 0.25rem; }
.form-check { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; }
.form-check label { cursor: pointer; }
input[type="checkbox"],
input[type="radio"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    min-width: 18px;
    border: 2px solid var(--admin-border);
    border-radius: 4px;
    background: var(--admin-bg);
    cursor: pointer;
    position: relative;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    vertical-align: middle;
}
input[type="radio"] { border-radius: 50%; }
input[type="checkbox"]:hover,
input[type="radio"]:hover { border-color: var(--admin-primary); }
input[type="checkbox"]:focus-visible,
input[type="radio"]:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(139, 26, 43, 0.2); border-color: var(--admin-primary); }
input[type="checkbox"]:checked { background: var(--admin-primary); border-color: var(--admin-primary); }
input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 6px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
input[type="radio"]:checked { background: var(--admin-primary); border-color: var(--admin-primary); }
input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}
input[type="checkbox"]:disabled,
input[type="radio"]:disabled { opacity: 0.5; cursor: not-allowed; }

/* Image Upload */
.image-upload-area {
    border: 2px dashed var(--admin-border); border-radius: var(--admin-radius);
    padding: 2rem; text-align: center; cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.image-upload-area:hover { border-color: var(--admin-primary); background: rgba(139,26,43,0.02); }
.image-preview-grid { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }
.image-preview-item {
    position: relative; width: 100px; height: 100px;
    border-radius: 6px; overflow: hidden; border: 1px solid var(--admin-border);
}
.image-preview-item img { width: 100%; height: 100%; object-fit: cover; }
.image-preview-item .remove-img {
    position: absolute; top: 4px; right: 4px;
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--admin-danger); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; cursor: pointer; line-height: 1;
}

/* Pagination */
.pagination { display: flex; gap: 0.25rem; align-items: center; justify-content: center; margin-top: 1.5rem; }
.pagination a, .pagination span {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 32px; height: 32px; padding: 0 0.5rem;
    border: 1px solid var(--admin-border); border-radius: 4px;
    font-size: 0.8rem; font-weight: 500; color: var(--admin-text);
    transition: all 0.15s;
}
.pagination a:hover { background: var(--admin-card-hover-bg); border-color: var(--admin-primary); color: var(--admin-primary); }
.pagination .active { background: var(--admin-primary); color: #fff; border-color: var(--admin-primary); }

/* Empty state */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--admin-text-light); }
.empty-state svg { margin-bottom: 1rem; opacity: 0.3; }
.empty-state p { font-size: 0.95rem; margin-bottom: 1rem; }

/* Filters Bar */
.filters-bar {
    display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap;
    margin-bottom: 1rem; padding: 0.75rem; background: var(--admin-filters-bg);
    border-radius: var(--admin-radius); border: 1px solid var(--admin-border);
}
.filters-bar .form-control { width: auto; font-size: 0.82rem; padding: 0.45rem 0.7rem; }
.filters-bar input[type="search"] { min-width: 220px; }

/* Order Detail */
.order-detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; }
.detail-row { display: flex; justify-content: space-between; padding: 0.5rem 0; border-bottom: 1px solid var(--admin-border); font-size: 0.85rem; }
.detail-row:last-child { border-bottom: none; }
.detail-label { font-weight: 600; color: var(--admin-text-light); }

/* ---- Login Page ---- */
.login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%);
}
.login-card {
    background: var(--admin-white); border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%; max-width: 400px; padding: 2.5rem;
}
.login-card__logo { text-align: center; margin-bottom: 2rem; }
.login-card__logo span { font-size: 1.5rem; font-weight: 300; color: var(--admin-primary); }
.login-card__logo strong { font-weight: 800; color: var(--admin-gold); }
.login-card__logo small { display: block; font-size: 0.75rem; color: var(--admin-text-light); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 0.25rem; }
.login-card h2 { font-size: 1.25rem; text-align: center; margin-bottom: 1.5rem; color: var(--admin-text); }

/* Skeleton Loading for Tables */
.skeleton-row {
    display: grid;
    grid-template-columns: 40px 2fr 1fr 1fr 80px;
    gap: 1rem; padding: 0.75rem 1rem;
    align-items: center;
    border-bottom: 1px solid var(--admin-border);
}
.skeleton-bar {
    height: 14px;
    background: var(--admin-skeleton-bg);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}
.skeleton-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, var(--admin-skeleton-shimmer) 50%, transparent 100%);
    animation: adminShimmer 1.5s infinite;
}
.skeleton-bar--sm { width: 60%; }
.skeleton-bar--thumb { width: 40px; height: 40px; border-radius: 4px; }
@keyframes adminShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Admin Content Fade-In */
.admin-content {
    animation: adminFadeIn 0.3s ease-out;
}
@keyframes adminFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Theme Toggle ---- */
.admin-theme-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 6px;
    border: none; background: none;
    color: var(--admin-text-light); cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.admin-theme-toggle:hover { background: var(--admin-card-hover-bg); color: var(--admin-primary); }
.admin-theme-toggle__dark { display: none; }
.admin-theme-toggle__light { display: block; }
[data-theme="dark"] .admin-theme-toggle__dark { display: block; }
[data-theme="dark"] .admin-theme-toggle__light { display: none; }

/* ---- Sidebar Mobile Header — hidden on desktop ---- */
.sidebar__mobile-header,
.sidebar__mobile-title {
    display: none;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .form-row { grid-template-columns: 1fr; }
    .form-row-3 { grid-template-columns: 1fr; }
    .order-detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    /* Full-screen sidebar on mobile */
    .sidebar {
        width: 100%;
        max-width: 100%;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        background: var(--admin-bg);
        color: var(--admin-text);
    }
    .sidebar.is-open { transform: translateX(0); }

    /* Show mobile menu header */
    .sidebar__mobile-header {
        display: flex;
        align-items: center;
        padding: 1rem 1.5rem;
    }

    .sidebar__mobile-back {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: none;
        border: none;
        color: var(--admin-text);
        cursor: pointer;
        transition: background 0.2s ease;
    }

    .sidebar__mobile-back:hover {
        background: rgba(0, 0, 0, 0.05);
    }

    .sidebar__mobile-title {
        display: block;
        font-size: 1.75rem;
        font-weight: 700;
        color: var(--admin-text);
        padding: 0 2rem 1.5rem;
        margin: 0;
    }

    /* Hide desktop logo on mobile */
    .sidebar__header { display: none; }

    /* Restyle nav items for clean mobile look */
    .sidebar__nav { padding: 0 0.5rem; }
    .sidebar__nav ul { padding: 0; gap: 0; }
    .sidebar__nav a {
        color: var(--admin-text);
        font-size: 1rem;
        font-weight: 500;
        padding: 0.9rem 1.5rem;
        border-radius: 8px;
        gap: 1rem;
    }
    .sidebar__nav a:hover {
        background: rgba(0, 0, 0, 0.04);
        color: var(--admin-text);
    }
    .sidebar__nav a.active {
        background: var(--admin-primary);
        color: #fff;
    }
    .sidebar__nav a svg {
        width: 22px;
        height: 22px;
    }

    /* Footer */
    .sidebar__footer {
        margin-top: auto;
        padding: 2rem;
        border-top: none;
    }
    .sidebar__link-ext {
        font-size: 0.85rem;
        color: var(--admin-text-light);
    }

    .admin-main { margin-left: 0; }
    .admin-topbar__toggle { display: block; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .admin-content { padding: 1rem; }
    .page-header h1 { font-size: 1.25rem; }

    /* Filters responsive */
    .filters-bar {
        flex-direction: column;
        gap: 0.5rem;
    }
    .filters-bar .form-control { width: 100%; }
    .filters-bar input[type="search"] { min-width: 0; }

    /* Tables scroll horizontally */
    .table-wrapper { margin: 0 -1rem; padding: 0 1rem; }

    /* Stat cards */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .stat-card { padding: 1rem; }
    .stat-card__value { font-size: 1.4rem; }
}

/* Dark mode admin mobile sidebar */
@media (max-width: 768px) {
    [data-theme="dark"] .sidebar {
        background: var(--admin-dark);
    }
    [data-theme="dark"] .sidebar__mobile-back:hover {
        background: rgba(255, 255, 255, 0.06);
    }
    [data-theme="dark"] .sidebar__nav a:hover {
        background: rgba(255, 255, 255, 0.04);
    }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .admin-content { padding: 0.75rem; }
    .btn-admin { padding: 0.5rem 0.85rem; font-size: 0.8rem; }
    .card__body { padding: 1rem; }
}