@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --admin-bg: #0f0f23;
    --admin-sidebar: #1a1a2e;
    --admin-card: #16213e;
    --admin-accent: #e94560;
    --admin-accent-hover: #ff6b81;
    --admin-text: #e0e0e0;
    --admin-text-muted: #888;
    --admin-border: rgba(255,255,255,0.08);
    --admin-success: #25D366;
    --admin-danger: #e74c3c;
    --admin-warning: #f39c12;
    --admin-info: #3498db;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Poppins', sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    min-height: 100vh;
}

/* ============ LOGIN PAGE ============ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f0f23, #1a1a2e);
}

.login-card {
    background: var(--admin-card);
    border-radius: 24px;
    padding: 50px 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    border: 1px solid var(--admin-border);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--admin-accent), var(--admin-accent-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: #fff;
}

.login-card h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: #fff;
}

.login-card > p {
    color: var(--admin-text-muted);
    margin-bottom: 30px;
}

.back-link {
    display: inline-block;
    margin-top: 20px;
    color: var(--admin-text-muted);
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
}

.back-link:hover { color: var(--admin-accent); }

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

.admin-sidebar {
    width: 260px;
    background: var(--admin-sidebar);
    border-right: 1px solid var(--admin-border);
    padding: 25px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 0 25px 25px;
    border-bottom: 1px solid var(--admin-border);
    margin-bottom: 15px;
}

.sidebar-header h2 {
    font-size: 1.3rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h2 i {
    color: var(--admin-accent);
}

.sidebar-header small {
    display: block;
    color: var(--admin-text-muted);
    font-size: 0.75rem;
    margin-top: 4px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 25px;
    color: var(--admin-text);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(233,69,96,0.1);
    color: var(--admin-accent);
    border-left-color: var(--admin-accent);
}

.sidebar-nav a i {
    width: 20px;
    text-align: center;
}

.sidebar-divider {
    border: none;
    border-top: 1px solid var(--admin-border);
    margin: 10px 25px;
}

.admin-main {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
    min-height: 100vh;
}

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.admin-topbar h1 {
    font-size: 1.6rem;
    color: #fff;
}

.topbar-actions {
    display: flex;
    gap: 10px;
}

/* ============ COMMON ELEMENTS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--admin-accent); color: #fff; }
.btn-primary:hover { background: var(--admin-accent-hover); box-shadow: 0 4px 15px rgba(233,69,96,0.3); }

.btn-success { background: var(--admin-success); color: #fff; }
.btn-success:hover { box-shadow: 0 4px 15px rgba(37,211,102,0.3); }

.btn-danger { background: var(--admin-danger); color: #fff; }
.btn-danger:hover { box-shadow: 0 4px 15px rgba(231,76,60,0.3); }

.btn-outline {
    background: transparent;
    border: 1px solid var(--admin-border);
    color: var(--admin-text);
}
.btn-outline:hover { border-color: var(--admin-accent); color: var(--admin-accent); }

.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; }

.card {
    background: var(--admin-card);
    border-radius: 16px;
    border: 1px solid var(--admin-border);
    padding: 25px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title i { color: var(--admin-accent); }

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--admin-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    color: var(--admin-text);
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px rgba(233,69,96,0.15);
}

.form-group select option {
    background: var(--admin-card);
    color: var(--admin-text);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-text-muted);
}

.input-icon input {
    padding-left: 42px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--admin-text-muted);
    margin-top: 4px;
}

.color-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.color-input-group input[type="color"] {
    width: 50px;
    height: 40px;
    padding: 2px;
    border-radius: 8px;
    cursor: pointer;
}

.color-input-group input[type="text"] {
    flex: 1;
}

.alert {
    padding: 12px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.alert-success { background: rgba(37,211,102,0.1); color: var(--admin-success); border: 1px solid rgba(37,211,102,0.2); }
.alert-error { background: rgba(231,76,60,0.1); color: var(--admin-danger); border: 1px solid rgba(231,76,60,0.2); }
.alert-info { background: rgba(52,152,219,0.1); color: var(--admin-info); border: 1px solid rgba(52,152,219,0.2); }

/* ============ DASHBOARD STATS ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--admin-card);
    border-radius: 16px;
    padding: 25px;
    border: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    gap: 18px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.stat-icon {
    width: 55px;
    height: 55px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
}

.stat-icon.products-icon { background: linear-gradient(135deg, #e94560, #ff6b81); }
.stat-icon.categories-icon { background: linear-gradient(135deg, #3498db, #2980b9); }
.stat-icon.offers-icon { background: linear-gradient(135deg, #f39c12, #e67e22); }
.stat-icon.views-icon { background: linear-gradient(135deg, #25D366, #128C7E); }

.stat-info h3 {
    font-size: 1.5rem;
    color: #fff;
    line-height: 1;
}

.stat-info p {
    font-size: 0.8rem;
    color: var(--admin-text-muted);
    margin-top: 3px;
}

/* ============ TABLE ============ */
.table-wrapper {
    overflow-x: auto;
}

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

.admin-table th,
.admin-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
    font-size: 0.9rem;
}

.admin-table th {
    color: var(--admin-text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table tr:hover td {
    background: rgba(255,255,255,0.02);
}

.admin-table .thumb {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    object-fit: cover;
}

.admin-table .actions {
    display: flex;
    gap: 6px;
}

/* ============ IMAGE PREVIEW ============ */
.image-preview {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    border: 2px dashed var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 10px;
    background: rgba(255,255,255,0.02);
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview i {
    font-size: 2rem;
    color: var(--admin-text-muted);
}

/* ============ MODAL ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.modal {
    background: var(--admin-card);
    border-radius: 20px;
    border: 1px solid var(--admin-border);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--admin-border);
}

.modal-header h2 {
    font-size: 1.2rem;
    color: #fff;
}

.modal-close {
    background: none;
    border: none;
    color: var(--admin-text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover { color: var(--admin-danger); }

/* ============ IMAGE UPLOAD MULTI ============ */
.upload-area {
    border: 2px dashed var(--admin-border);
    border-radius: 14px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(255,255,255,0.02);
}

.upload-area:hover {
    border-color: var(--admin-accent);
    background: rgba(233,69,96,0.05);
}

.upload-area i {
    font-size: 2rem;
    color: var(--admin-accent);
    margin-bottom: 10px;
    display: block;
}

.upload-area p {
    color: var(--admin-text-muted);
    font-size: 0.85rem;
}

.image-thumbnails {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.image-thumbnails .thumb-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid var(--admin-border);
}

.image-thumbnails .thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-thumbnails .thumb-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--admin-danger);
    color: #fff;
    border: none;
    font-size: 0.6rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .admin-sidebar {
        width: 0;
        overflow: hidden;
    }

    .admin-sidebar.open {
        width: 260px;
    }

    .admin-main {
        margin-left: 0;
        padding: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .sidebar-toggle {
        display: block !important;
    }
}

.sidebar-toggle {
    display: none;
    background: var(--admin-accent);
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
}