/**
 * ============================================
 * BIZFLOW NOTIFICATIONS v1.0
 * Panel de notificaciones para la campanita
 * ============================================
 */

/* ==========================================
   NOTIFICATION BADGE (Header)
   ========================================== */
.bf-header-btn__badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 10px;
    font-weight: var(--font-bold);
    line-height: 18px;
    text-align: center;
    color: white;
    background: var(--error-500);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-surface);
    display: none;
}

.bf-header-btn__badge.has-notifications {
    display: block;
    animation: notifPulse 2s infinite;
}

@keyframes notifPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ==========================================
   NOTIFICATION PANEL
   ========================================== */
.bf-notif-panel {
    position: fixed;
    top: var(--header-height);
    right: var(--space-2);
    width: min(380px, calc(100vw - var(--space-4)));
    max-height: calc(100vh - var(--header-height) - var(--space-4));
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-popover);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--duration-normal) var(--ease-out);
}

.bf-notif-panel.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Panel Header */
.bf-notif-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-muted);
    flex-shrink: 0;
}

.bf-notif-panel__title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-md);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.bf-notif-panel__title i {
    color: var(--accent);
}

.bf-notif-panel__count {
    padding: 2px 8px;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    color: white;
    background: var(--accent);
    border-radius: var(--radius-full);
}

.bf-notif-panel__actions {
    display: flex;
    gap: var(--space-1);
}

.bf-notif-panel__action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.bf-notif-panel__action:hover {
    background: var(--bg-muted);
    color: var(--text-primary);
}

.bf-notif-panel__action--close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-500);
}

/* Panel Body */
.bf-notif-panel__body {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    min-height: 100px;
    max-height: 400px;
}

/* Empty State */
.bf-notif-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
    text-align: center;
}

.bf-notif-empty__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-muted);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
}

.bf-notif-empty__icon i {
    font-size: 1.75rem;
    color: var(--text-muted);
}

.bf-notif-empty__title {
    font-size: var(--text-md);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.bf-notif-empty__text {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* Loading State */
.bf-notif-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.bf-notif-loading__spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-muted);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==========================================
   NOTIFICATION ITEM
   ========================================== */
.bf-notif-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-muted);
    cursor: pointer;
    transition: background var(--duration-fast);
}

.bf-notif-item:hover {
    background: var(--bg-muted);
}

.bf-notif-item:last-child {
    border-bottom: none;
}

/* Unread indicator */
.bf-notif-item.is-unread {
    background: var(--accent-muted);
}

.bf-notif-item.is-unread:hover {
    background: rgba(99, 102, 241, 0.2);
}

/* Icon */
.bf-notif-item__icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
}

.bf-notif-item__icon--pedido {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
}

.bf-notif-item__icon--stock {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.bf-notif-item__icon--alerta {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.bf-notif-item__icon--sistema {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.bf-notif-item__icon--info {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

/* Content */
.bf-notif-item__content {
    flex: 1;
    min-width: 0;
}

.bf-notif-item__title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: 2px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bf-notif-item__message {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-1);
}

.bf-notif-item__meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 10px;
    color: var(--text-muted);
}

.bf-notif-item__time {
    display: flex;
    align-items: center;
    gap: 4px;
}

.bf-notif-item__priority {
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
}

.bf-notif-item__priority--alta {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error-500);
}

.bf-notif-item__priority--media {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-500);
}

/* Actions */
.bf-notif-item__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    opacity: 0;
    transition: opacity var(--duration-fast);
}

.bf-notif-item:hover .bf-notif-item__actions {
    opacity: 1;
}

.bf-notif-item__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--bg-surface);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.bf-notif-item__btn:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-default);
}

.bf-notif-item__btn--delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-500);
    border-color: var(--error-500);
}

/* ==========================================
   PANEL FOOTER
   ========================================== */
.bf-notif-panel__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-4);
    border-top: 1px solid var(--border-muted);
    background: var(--bg-muted);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    flex-shrink: 0;
}

.bf-notif-panel__footer-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--accent);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.bf-notif-panel__footer-btn:hover {
    background: var(--accent-muted);
}

.bf-notif-panel__footer-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ★ Botón Ver Pedidos - destacado */
.bf-notif-panel__footer-btn--pedidos {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    font-weight: var(--font-semibold);
}

.bf-notif-panel__footer-btn--pedidos:hover {
    background: linear-gradient(135deg, #16a34a, #15803d);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

/* ==========================================
   OVERLAY (para cerrar al hacer clic afuera)
   ========================================== */
.bf-notif-overlay {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-popover) - 1);
    display: none;
}

.bf-notif-overlay.is-visible {
    display: block;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 480px) {
    .bf-notif-panel {
        right: 0;
        left: 0;
        width: 100%;
        max-height: 70vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        top: auto;
        bottom: 0;
        transform: translateY(100%);
    }
    
    .bf-notif-panel.is-open {
        transform: translateY(0);
    }
    
    .bf-notif-item__actions {
        opacity: 1;
    }
}

/* ==========================================
   ★ BOTONES APROBAR / RECHAZAR PEDIDOS
   ========================================== */
.bf-notif-item__pedido-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-2);
    padding-top: var(--space-2);
    border-top: 1px dashed var(--border-muted);
}

.bf-notif-pedido-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.bf-notif-pedido-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Botón Aprobar */
.bf-notif-pedido-btn--aprobar {
    background: var(--success-100);
    color: var(--success-700);
    border: 1px solid var(--success-200);
}

.bf-notif-pedido-btn--aprobar:hover:not(:disabled) {
    background: var(--success-500);
    color: white;
}

.bf-notif-pedido-btn--aprobar:active:not(:disabled) {
    transform: scale(0.97);
}

/* Botón Rechazar */
.bf-notif-pedido-btn--rechazar {
    background: var(--error-100);
    color: var(--error-700);
    border: 1px solid var(--error-200);
}

.bf-notif-pedido-btn--rechazar:hover:not(:disabled) {
    background: var(--error-500);
    color: white;
}

.bf-notif-pedido-btn--rechazar:active:not(:disabled) {
    transform: scale(0.97);
}

/* Estados después de aprobar/rechazar */
.bf-notif-pedido-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-sm);
}

.bf-notif-pedido-status--aprobado {
    background: var(--success-100);
    color: var(--success-700);
}

.bf-notif-pedido-status--rechazado {
    background: var(--error-100);
    color: var(--error-700);
}

/* Icono de nuevo pedido más llamativo */
.bf-notif-item__icon--pedido {
    background: var(--success-100) !important;
    color: var(--success-600) !important;
}

.bf-notif-item.is-unread .bf-notif-item__icon--pedido {
    animation: iconPulse 1.5s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

/* Responsive: botones en columna en móvil */
@media (max-width: 380px) {
    .bf-notif-item__pedido-actions {
        flex-direction: column;
    }
    
    .bf-notif-pedido-btn {
        width: 100%;
    }
}