/* ============================================================================
   LAMARTINE — COMPONENTE: MODALES Y PANELES
   ============================================================================
   Modales centrados, paneles deslizantes (side panel) y drawer para carrito,
   ficha de producto, filtros, etc.
   
   USO:
     <div class="modal" id="miModal">
       <div class="modal__content">
         <header class="modal__header">
           <h2 class="modal__title">Título</h2>
           <button class="modal__close">×</button>
         </header>
         <div class="modal__body">Contenido</div>
         <footer class="modal__footer">...</footer>
       </div>
     </div>
   ============================================================================ */


/* ============================================================================
   MODAL (centrado)
   ============================================================================ */

.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: rgba(26, 21, 18, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.modal.is-open {
    opacity: 1;
    pointer-events: auto;
}

.modal__content {
    background: var(--color-blanco);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--duration-normal) var(--ease-out);
    box-shadow: var(--shadow-xl);
}

.modal.is-open .modal__content {
    transform: scale(1) translateY(0);
}


/* Tamaños */
.modal__content--sm { max-width: 400px; }
.modal__content--md { max-width: 500px; }
.modal__content--lg { max-width: 700px; }
.modal__content--xl { max-width: 900px; }


/* --- HEADER --- */
.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: var(--color-blanco);
    z-index: 1;
}

.modal__title {
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    color: var(--color-negro);
    margin: 0;
    line-height: var(--lh-tight);
}

.modal__subtitle {
    font-size: var(--fs-sm);
    color: var(--color-gris-medio);
    margin-top: var(--space-1);
}

.modal__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-tierra);
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
    border-radius: 50%;
    margin: -6px;
}

.modal__close:hover {
    background: var(--color-beige-claro);
    color: var(--color-negro);
}

.modal__close svg {
    width: 20px;
    height: 20px;
}


/* --- BODY --- */
.modal__body {
    padding: var(--space-6);
    flex: 1;
}


/* --- FOOTER --- */
.modal__footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    background: var(--color-crema);
    position: sticky;
    bottom: 0;
}


/* ============================================================================
   SIDE PANEL (panel deslizante desde la derecha)
   ============================================================================ */
/* Usado para: carrito, filtros, ficha de producto, detalles de pedido */

.side-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 480px;
    background: var(--color-blanco);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-out);
    box-shadow: var(--shadow-xl);
}

.side-panel.is-open {
    transform: translateX(0);
}


/* Variantes de tamaño */
.side-panel--sm { max-width: 360px; }
.side-panel--md { max-width: 480px; }
.side-panel--lg { max-width: 640px; }
.side-panel--xl { max-width: 800px; }


/* Desde la izquierda (para menú mobile) */
.side-panel--left {
    right: auto;
    left: 0;
    transform: translateX(-100%);
}

.side-panel--left.is-open {
    transform: translateX(0);
}


/* --- HEADER DEL PANEL --- */
.side-panel__header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    background: var(--color-blanco);
    position: sticky;
    top: 0;
    z-index: 1;
}

.side-panel__title {
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    color: var(--color-negro);
    margin: 0;
    line-height: var(--lh-tight);
    letter-spacing: var(--tracking-tight);
}

.side-panel__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-tierra);
    cursor: pointer;
    transition: var(--transition-fast);
    border-radius: 50%;
}

.side-panel__close:hover {
    background: var(--color-beige-claro);
    color: var(--color-negro);
}

.side-panel__close svg {
    width: 20px;
    height: 20px;
}


/* --- BODY DEL PANEL --- */
.side-panel__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
    -webkit-overflow-scrolling: touch;
}

.side-panel__body--compact {
    padding: var(--space-4);
}


/* --- FOOTER DEL PANEL --- */
.side-panel__footer {
    padding: var(--space-5) var(--space-6);
    border-top: 1px solid var(--border-color);
    background: var(--color-crema);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}


/* ============================================================================
   BOTTOM SHEET (en mobile, panel que sube desde abajo)
   ============================================================================ */

.bottom-sheet {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    background: var(--color-blanco);
    border-radius: 16px 16px 0 0;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform var(--duration-normal) var(--ease-out);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.15);
}

.bottom-sheet.is-open {
    transform: translateY(0);
}

.bottom-sheet::before {
    content: '';
    width: 40px;
    height: 4px;
    background: var(--color-arena);
    border-radius: var(--radius-full);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
}

.bottom-sheet__header {
    padding: var(--space-6) var(--space-5) var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.bottom-sheet__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-5);
}

.bottom-sheet__footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-color);
    padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
}


/* ============================================================================
   DIALOG DE CONFIRMACIÓN
   ============================================================================ */

.confirm-dialog {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
    text-align: center;
}

.confirm-dialog__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-beige-claro);
    color: var(--color-tierra);
}

.confirm-dialog__icon--warning {
    background: var(--color-alerta-bg);
    color: var(--color-alerta);
}

.confirm-dialog__icon--danger {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.confirm-dialog__title {
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    color: var(--color-negro);
    margin: 0;
}

.confirm-dialog__message {
    font-size: var(--fs-sm);
    color: var(--color-tierra);
    line-height: var(--lh-relaxed);
    margin: 0;
}

.confirm-dialog__actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    margin-top: var(--space-2);
}


/* ============================================================================
   ANIMACIONES PARA APARICIÓN SUAVE DEL CONTENIDO
   ============================================================================ */

.modal.is-open .modal__content,
.side-panel.is-open .side-panel__body {
    animation: fadeInUp var(--duration-slow) var(--ease-out) both;
}


/* ============================================================================
   UTILIDAD: bloquear scroll del body cuando hay modal
   ============================================================================ */

body.is-modal-open {
    overflow: hidden;
}


/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 600px) {
    .modal {
        padding: 0;
        align-items: flex-end;
    }
    
    .modal__content {
        max-height: 95vh;
        border-radius: 16px 16px 0 0;
    }
    
    .modal__header {
        padding: var(--space-4) var(--space-5);
    }
    
    .modal__body {
        padding: var(--space-5);
    }
    
    .modal__footer {
        padding: var(--space-4) var(--space-5);
        padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
    }
}