/* ==============================================================================
   PANEL DE ADMINISTRACIÓN - ESTILOS DASHBOARD, LOGIN & GALERÍA
   ============================================================================== */

:root {
    --adm-bg: #0b0d11;
    --adm-sidebar: #12151c;
    --adm-card: #191d26;
    --adm-card-hover: #202632;
    --adm-border: rgba(255, 255, 255, 0.08);
    --adm-primary: #ff5722;
    --adm-primary-hover: #ff7043;
    --adm-green: #10b981;
    --adm-red: #ef4444;
    --adm-amber: #f59e0b;
    --adm-text: #f8fafc;
    --adm-text-muted: #94a3b8;
    --adm-text-dim: #64748b;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Outfit', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--adm-bg);
    color: var(--adm-text);
    min-height: 100vh;
}

/* ================= LOGIN PAGE ================= */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: radial-gradient(circle at top right, rgba(255, 87, 34, 0.12) 0%, transparent 60%),
                radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.08) 0%, transparent 60%),
                var(--adm-bg);
}

.login-card {
    width: 100%;
    max-width: 440px;
    background-color: var(--adm-card);
    border: 1px solid var(--adm-border);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-icon-badge {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(255, 87, 34, 0.2), rgba(255, 138, 80, 0.1));
    border: 1px solid rgba(255, 87, 34, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px auto;
    color: var(--adm-primary);
    font-size: 1.6rem;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.login-subtitle {
    font-size: 0.88rem;
    color: var(--adm-text-muted);
}

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

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--adm-text-muted);
}

.form-control {
    width: 100%;
    background-color: var(--adm-sidebar);
    border: 1px solid var(--adm-border);
    color: var(--adm-text);
    font-size: 0.9rem;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    border-color: var(--adm-primary);
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.15);
}

.btn-login {
    width: 100%;
    background: linear-gradient(135deg, #ff5722 0%, #ff8a50 100%);
    color: #ffffff;
    border: none;
    padding: 13px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
}

.btn-login:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.login-footer-links {
    margin-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--adm-text-dim);
}

.login-footer-links a {
    color: var(--adm-primary);
    text-decoration: none;
}

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

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background-color: var(--adm-sidebar);
    border-right: 1px solid var(--adm-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: var(--transition);
    z-index: 50;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--adm-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand-icon {
    width: 38px;
    height: 38px;
    background: var(--adm-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.1rem;
}

.sidebar-brand-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-tab-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--adm-text-muted);
    background: none;
    border: none;
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    width: 100%;
    transition: var(--transition);
    font-family: inherit;
}

.nav-tab-btn:hover {
    color: var(--adm-text);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-tab-btn.active {
    background-color: rgba(255, 87, 34, 0.15);
    color: var(--adm-primary);
    font-weight: 600;
}

.nav-tab-btn i {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--adm-border);
}

.btn-sidebar-action {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    background: none;
    border: 1px solid var(--adm-border);
    color: var(--adm-text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
    margin-bottom: 8px;
}

.btn-sidebar-action:hover {
    color: var(--adm-text);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Main Content */
.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.admin-topbar {
    padding: 16px 28px;
    background-color: var(--adm-sidebar);
    border-bottom: 1px solid var(--adm-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar-title {
    font-size: 1.3rem;
    font-weight: 700;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.admin-body {
    padding: 28px;
    flex: 1;
    overflow-y: auto;
}

/* Tarjetas de Métricas */
.metrics-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.metric-card {
    background-color: var(--adm-card);
    border: 1px solid var(--adm-border);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.metric-icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.metric-icon-box.primary { background: rgba(255, 87, 34, 0.15); color: var(--adm-primary); }
.metric-icon-box.green { background: rgba(16, 185, 129, 0.15); color: var(--adm-green); }
.metric-icon-box.red { background: rgba(239, 68, 68, 0.15); color: var(--adm-red); }
.metric-icon-box.amber { background: rgba(245, 158, 11, 0.15); color: var(--adm-amber); }

.metric-value {
    font-size: 1.45rem;
    font-weight: 800;
    line-height: 1.2;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--adm-text-muted);
}

/* Panel Containers / Tabs */
.tab-content-panel {
    display: none;
}

.tab-content-panel.active {
    display: block;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.card-panel {
    background-color: var(--adm-card);
    border: 1px solid var(--adm-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
}

.panel-header-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 20px;
}

.panel-title {
    font-size: 1.15rem;
    font-weight: 700;
}

/* Botones y Acciones */
.btn-primary-adm {
    background: linear-gradient(135deg, #ff5722 0%, #ff8a50 100%);
    color: #ffffff;
    border: none;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-primary-adm:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.btn-secondary-adm {
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--adm-border);
    color: var(--adm-text);
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-secondary-adm:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

/* Tabla de Productos / Datos */
.adm-table-wrap {
    overflow-x: auto;
}

.adm-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.88rem;
}

.adm-table th {
    padding: 12px 16px;
    color: var(--adm-text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--adm-border);
    white-space: nowrap;
}

.adm-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--adm-border);
    vertical-align: middle;
}

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

.table-product-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background-color: var(--adm-sidebar);
}

.status-switch {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 24px;
}

.status-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: #374151;
    transition: var(--transition);
    border-radius: 24px;
}

.switch-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

input:checked + .switch-slider {
    background-color: var(--adm-green);
}

input:checked + .switch-slider:before {
    transform: translateX(18px);
}

.action-btn-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-icon-action {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--adm-border);
    background: none;
    color: var(--adm-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-icon-action:hover {
    color: var(--adm-text);
    background-color: rgba(255, 255, 255, 0.08);
}

.btn-icon-action.delete:hover {
    color: var(--adm-red);
    border-color: rgba(239, 68, 68, 0.3);
}

/* Subida de Imágenes y File Pickers */
.file-input-hidden {
    display: none;
}

.image-upload-zone {
    border: 2px dashed var(--adm-border);
    border-radius: var(--radius-md);
    padding: 16px;
    background-color: var(--adm-sidebar);
    text-align: center;
    transition: var(--transition);
}

.image-upload-zone:hover {
    border-color: var(--adm-primary);
    background-color: rgba(255, 87, 34, 0.03);
}

.upload-prompt-box {
    padding: 14px 10px;
    cursor: pointer;
}

.upload-icon {
    font-size: 2rem;
    color: var(--adm-primary);
    margin-bottom: 8px;
}

.upload-preview-img {
    width: 100%;
    max-height: 180px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--adm-border);
}

.btn-remove-preview {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.75);
    color: var(--adm-red);
    border: 1px solid var(--adm-border);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: var(--transition);
}

.btn-remove-preview:hover {
    background: var(--adm-red);
    color: #ffffff;
}

/* ================= GALERÍA DE IMÁGENES ================= */
.gallery-category-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.gallery-chip {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--adm-border);
    color: var(--adm-text-muted);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.gallery-chip:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--adm-text);
}

.gallery-chip.active {
    background: var(--adm-primary);
    color: #ffffff;
    border-color: var(--adm-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    max-height: 500px;
    overflow-y: auto;
    padding-right: 4px;
}

.gallery-grid.modal-grid {
    max-height: 400px;
}

.gallery-card {
    background-color: var(--adm-sidebar);
    border: 1px solid var(--adm-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.gallery-card:hover {
    border-color: var(--adm-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.gallery-card-img-wrap {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: #000;
}

.gallery-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-card:hover .gallery-card-img {
    transform: scale(1.05);
}

.gallery-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(2px);
}

.gallery-card:hover .gallery-card-overlay {
    opacity: 1;
}

.btn-select-gallery-img {
    background: var(--adm-primary);
    color: #ffffff;
    border: none;
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-select-gallery-img:hover {
    background: var(--adm-primary-hover);
    transform: scale(1.04);
}

.gallery-card-info {
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.gallery-card-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--adm-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-card-badge {
    font-size: 0.68rem;
    color: var(--adm-text-dim);
}

/* Modales de Administración */
.adm-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(5px);
    z-index: 150;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.adm-modal-box {
    background-color: var(--adm-card);
    border: 1px solid var(--adm-border);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}

.adm-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--adm-border);
}

.adm-modal-title {
    font-size: 1.15rem;
    font-weight: 700;
}

.adm-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--adm-border);
}

/* Generador de QR */
.qr-preview-box {
    text-align: center;
    padding: 30px;
    background-color: #ffffff;
    border-radius: var(--radius-md);
    color: #111827;
    max-width: 320px;
    margin: 0 auto 20px auto;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.qr-canvas-holder {
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}

.qr-table-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 4px;
    color: #111827;
}

.qr-restaurant-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #4b5563;
}

/* Responsive Mobile Admin */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--adm-text);
    font-size: 1.25rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .admin-sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        bottom: 0;
    }
    .admin-sidebar.show {
        left: 0;
    }
    .mobile-nav-toggle {
        display: block;
    }
    .admin-body {
        padding: 16px;
    }
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }
}