/**
 * App CSS - Estilos específicos para la SPA
 * Complementa base.css con funcionalidad de Single Page Application
 */

/* ============================================
   CONTAINERS Y LAYOUT
   ============================================ */

/* Container principal de la aplicación */
#app-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
    background: var(--bg-primary);
    transition: opacity 0.3s ease;
    will-change: opacity, transform;
    overflow-x: hidden;
    overflow-y: auto;
    box-sizing: border-box;
}

/* Builder: scroll por bloques, no en todo el container */
#app-container:has(main.builder-main) {
    overflow: hidden;
    height: 100vh;
    min-height: 100vh;
}

/* Evitar desborde a la derecha en todas las vistas: hijos directos no pueden exceder el ancho. */
#app-container > main,
#app-container > div {
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
    min-width: 0; /* permitir que flex/grid se encojan */
}

/* Contenedores anidados (main > div > section, div > div > div, etc.) se adaptan al ancho. */
#app-container main section,
#app-container main div,
#app-container > div section,
#app-container > div div {
    max-width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

#app-container main > div,
#app-container > div > div {
    overflow-x: hidden;
}

/* Asegurar que el header dentro de app-container esté siempre visible */
#app-container .main-header {
    position: fixed !important;
    top: 0 !important;
    background: transparent !important;
    background-color: transparent !important;
    z-index: 1000 !important;
    visibility: visible !important;
    opacity: 1 !important;
    display: flex !important;
}

/* Container de navegación (persistente) */
#navigation-container {
    position: relative;
    z-index: 1000;
}

/* ============================================
   ESTADOS DE VISTAS
   ============================================ */

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

/* Error state para vistas */
.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    padding: 2rem;
    text-align: center;
}

.error-icon {
    font-size: 3rem;
    color: var(--accent-yellow);
    margin-bottom: 1rem;
}

.error-container h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.error-container p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ============================================
   TRANSICIONES ENTRE VISTAS
   ============================================ */

/* Clase para animación de entrada */
.view-enter {
    animation: fadeIn 0.3s ease;
}

/* Clase para animación de salida */
.view-leave {
    animation: fadeOut 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* Slide transitions (opcional) */
.view-slide-enter {
    animation: slideIn 0.3s ease;
}

.view-slide-leave {
    animation: slideOut 0.3s ease;
}

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

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-20px);
    }
}

/* ============================================
   UTILIDADES
   ============================================ */

/* Clase para ocultar elementos */
.hidden {
    display: none !important;
}

/* Clase para elementos invisibles pero que ocupan espacio */
.invisible {
    visibility: hidden;
}

/* Clase para elementos que no deben tener pointer events */
.no-pointer {
    pointer-events: none;
}

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

@media (max-width: 768px) {
    #app-container {
        padding: 0;
    }

    .view-loading {
        min-height: 300px;
        padding: 1.5rem;
    }

    .error-container {
        min-height: 300px;
        padding: 1.5rem;
    }

    .error-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .error-container {
        min-height: 250px;
        padding: 1rem;
    }

    .error-icon {
        font-size: 2rem;
    }
}

/* ============================================
   LOADING STATES ESPECÍFICOS
   ============================================ */

/* Loading inline en contenedores */
.inline-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.inline-loading i {
    animation: spin 1s linear infinite;
}

/* Loading para sidebar */
.sidebar-loading {
    padding: 20px;
    text-align: center;
    color: rgba(236, 235, 218, 0.6);
    font-size: 0.813rem;
}

.sidebar-loading i {
    animation: spin 1s linear infinite;
}

/* ============================================
   NOTIFICACIONES Y MENSAJES
   ============================================ */

/* Notificaciones globales (si se necesitan) */
.app-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-width: 300px;
    max-width: 500px;
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.app-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.app-notification .notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.app-notification .notification-content i {
    font-size: 1.25rem;
}

.app-notification .notification-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.app-notification .notification-close:hover {
    opacity: 1;
}

.app-notification.success {
    border-left: 4px solid var(--success-color, #4caf50);
}

.app-notification.success .notification-content i {
    color: var(--success-color, #4caf50);
}

.app-notification.error {
    border-left: 4px solid var(--error-color, #f44336);
}

.app-notification.error .notification-content i {
    color: var(--error-color, #f44336);
}

.app-notification.warning {
    border-left: 4px solid var(--accent-yellow);
}

.app-notification.warning .notification-content i {
    color: var(--accent-yellow);
}

.app-notification.info {
    border-left: 4px solid var(--accent-yellow);
}

.app-notification.info .notification-content i {
    color: var(--accent-yellow);
}

@media (max-width: 768px) {
    .app-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        min-width: auto;
        max-width: none;
    }
}

/* ============================================
   SCROLL BEHAVIOR
   ============================================ */

/* Smooth scroll para navegación interna */
html {
    scroll-behavior: smooth;
}

/* Scroll personalizado para contenedores */
.custom-scrollbar::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--accent-warm);
}

/* ============================================
   FOCUS STATES
   ============================================ */

/* Mejorar accesibilidad con focus visible */
*:focus-visible {
    outline: 2px solid var(--border-light);
    outline-offset: 2px;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    #navigation-container {
        display: none;
    }

    .error-container {
        page-break-inside: avoid;
    }
}