/**
 * Vecta Calendar - Estilos Principales
 * Sistema de Calendario Empresarial
 * Diseno Responsive Universal con Estetica Profesional
 */

/* ============================================
   CSS CUSTOM PROPERTIES (Variables)
   ============================================ */

/* Ocultar scrollbar en TODOS los elementos */
*, *::before, *::after {
    -ms-overflow-style: none;  /* IE/Edge */
    scrollbar-width: none;     /* Firefox */
}
*::-webkit-scrollbar {
    display: none;             /* Chrome/Safari/Opera */
}

:root {
    /* Colores Base - Personalizables por empresa */
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-primary-light: #dbeafe;
    --color-secondary: #64748b;
    --color-secondary-hover: #475569;

    /* Colores de Estado */
    --color-success: #22c55e;
    --color-success-light: #dcfce7;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-danger: #ef4444;
    --color-danger-light: #fee2e2;
    --color-info: #06b6d4;
    --color-info-light: #cffafe;

    /* Colores del Calendario */
    --color-feriado: #22c55e;
    --color-evento: #3b82f6;
    --color-evento-punto: #3b82f6;

    /* Colores de Texto */
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;

    /* Colores de Fondo */
    --color-bg: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;
    --color-bg-hover: #e2e8f0;

    /* Bordes */
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --border-radius-sm: 0.375rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: clamp(0.625rem, 0.5rem + 0.5vw, 0.75rem);
    --font-size-sm: clamp(0.75rem, 0.625rem + 0.5vw, 0.875rem);
    --font-size-base: clamp(0.875rem, 0.75rem + 0.5vw, 1rem);
    --font-size-lg: clamp(1rem, 0.875rem + 0.5vw, 1.125rem);
    --font-size-xl: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
    --font-size-2xl: clamp(1.25rem, 1rem + 1vw, 1.5rem);
    --font-size-3xl: clamp(1.5rem, 1.25rem + 1vw, 1.875rem);
    --font-size-4xl: clamp(1.875rem, 1.5rem + 1.5vw, 2.25rem);

    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-modal-top: 550;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;

    /* Contenedores */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
}

/* ============================================
   RESET Y BASE
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Fondo personalizable */
body.custom-bg {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

/* ============================================
   CONTENEDORES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.app-main {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

.app-footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}

/* ============================================
   HEADER / NAVBAR
   ============================================ */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-md);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.navbar-brand img {
    height: 2rem;
    width: auto;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    list-style: none;
}

.navbar-nav a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-light);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Menu móvil */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background-color: var(--color-bg);
        padding: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        z-index: var(--z-fixed);
        pointer-events: none;
    }

    .navbar-nav.open {
        transform: translateX(0);
        pointer-events: auto;
    }

    .navbar-nav a {
        width: 100%;
        padding: var(--spacing-md);
    }
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    min-height: 44px; /* Touch-friendly */
}

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

.btn-primary {
    color: #fff;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    color: #fff;
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-secondary {
    color: var(--color-text);
    background-color: var(--color-bg-secondary);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-bg-tertiary);
}

.btn-success {
    color: #fff;
    background-color: var(--color-success);
    border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
    color: #fff;
    background-color: #16a34a;
}

.btn-danger {
    color: #fff;
    background-color: var(--color-danger);
    border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    color: #fff;
    background-color: #dc2626;
}

.btn-outline {
    color: var(--color-primary);
    background-color: transparent;
    border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
    color: #fff;
    background-color: var(--color-primary);
}

.btn-ghost {
    color: var(--color-text-light);
    background-color: transparent;
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    color: var(--color-text);
    background-color: var(--color-bg-hover);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    min-height: 36px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
    min-height: 52px;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    padding: var(--spacing-sm);
    min-width: 44px;
}

/* ============================================
   FORMULARIOS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form-label.required::after {
    content: '*';
    color: var(--color-danger);
    margin-left: var(--spacing-xs);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: 44px;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-control:disabled {
    background-color: var(--color-bg-tertiary);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--color-danger-light);
}

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

select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
    appearance: none;
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-danger);
}

/* Checkbox y Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    min-height: 44px;
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background-color: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background-color: rgba(248, 250, 252, 0.7);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
}

/* ============================================
   MODALES
   ============================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    z-index: var(--z-modal);
    width: calc(100% - var(--spacing-lg) * 2);
    max-width: 500px;
    max-height: calc(100vh - var(--spacing-lg) * 2);
    background-color: var(--color-bg);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text);
    background-color: var(--color-bg-hover);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* Contenedor interno del modal */
.modal-content {
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - var(--spacing-lg) * 2);
    overflow: hidden;
}

@media (max-width: 640px) {
    .modal-content {
        max-height: 100vh;
        height: 100%;
    }
}

/* Modal Overlay (para modales con backdrop integrado) */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-top);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.modal-overlay .modal {
    position: relative;
    top: auto;
    left: auto;
    transform: scale(0.95);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

/* Modal tamaños */
.modal-sm {
    max-width: 400px;
}

.modal-md {
    max-width: 550px;
}

.modal-lg {
    max-width: 700px;
}

.modal-xl {
    max-width: 900px;
}

@media (max-width: 640px) {
    .modal {
        width: 100%;
        max-width: 100%;
        max-height: 100%;
        border-radius: 0;
        top: 0;
        left: 0;
        transform: translateY(100%);
    }

    .modal.open {
        transform: translateY(0);
    }
}

/* Lista de eventos de serie (selección múltiple) */
.series-events-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.series-event-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.series-event-item:last-child {
    border-bottom: none;
}

.series-event-item:hover {
    background-color: var(--color-bg-secondary);
}

.series-event-item.current {
    background-color: var(--color-primary-light);
}

.series-event-item input[type="checkbox"] {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.series-event-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs) var(--spacing-sm);
    flex: 1;
    min-width: 0;
}

.series-event-date {
    font-weight: 500;
    color: var(--color-text);
    min-width: 100px;
}

.series-event-time {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.series-event-title {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.series-select-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Información de la serie (encabezado) */
.series-info-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #e0f2fe 100%);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
}

.series-info-badge {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text);
}

.series-info-badge i {
    color: var(--color-primary);
    margin-right: var(--spacing-xs);
}

.series-frecuencia {
    font-weight: 600;
    color: var(--color-primary);
}

.series-separator {
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.series-rango {
    color: var(--color-text-secondary);
}

.series-total {
    font-weight: 500;
    color: var(--color-text);
}

/* ============================================
   ALERTAS / TOASTS
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    color: #166534;
    background-color: var(--color-success-light);
    border: 1px solid #86efac;
}

.alert-warning {
    color: #92400e;
    background-color: var(--color-warning-light);
    border: 1px solid #fcd34d;
}

.alert-danger {
    color: #991b1b;
    background-color: var(--color-danger-light);
    border: 1px solid #fca5a5;
}

.alert-info {
    color: #0e7490;
    background-color: var(--color-info-light);
    border: 1px solid #67e8f9;
}

/* Toast Container */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
    width: calc(100% - var(--spacing-lg) * 2);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    animation: slideIn var(--transition-normal) ease;
}

.toast.toast-exit {
    animation: slideOut var(--transition-fast) ease forwards;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.125rem 0.5rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
    line-height: 1.4;
    border-radius: var(--border-radius-full);
}

.badge-primary {
    color: #fff;
    background-color: var(--color-primary);
}

.badge-success {
    color: #fff;
    background-color: var(--color-success);
}

.badge-warning {
    color: #000;
    background-color: var(--color-warning);
}

.badge-danger {
    color: #fff;
    background-color: var(--color-danger);
}

.badge-outline {
    background-color: transparent;
    border: 1px solid currentColor;
}

/* ============================================
   DROPDOWN
   ============================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: var(--z-dropdown);
    min-width: 200px;
    padding: var(--spacing-sm) 0;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(var(--spacing-xs));
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--color-bg-hover);
}

.dropdown-divider {
    height: 1px;
    margin: var(--spacing-sm) 0;
    background-color: var(--color-border);
}

/* ============================================
   AVATAR
   ============================================ */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    overflow: hidden;
}

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

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-xs);
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: var(--font-size-lg);
}

/* ============================================
   SPINNER / LOADER
   ============================================ */
.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

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

/* Loading overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: var(--z-modal);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-muted);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    color: var(--color-text-light);
    max-width: 400px;
}

/* ============================================
   UTILITIES
   ============================================ */
/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* Flex */
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.align-start { align-items: flex-start !important; }
.align-center { align-items: center !important; }
.align-end { align-items: flex-end !important; }
.flex-1 { flex: 1 !important; }
.gap-xs { gap: var(--spacing-xs) !important; }
.gap-sm { gap: var(--spacing-sm) !important; }
.gap-md { gap: var(--spacing-md) !important; }
.gap-lg { gap: var(--spacing-lg) !important; }

/* Text */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.text-primary { color: var(--color-primary) !important; }
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.text-sm { font-size: var(--font-size-sm) !important; }
.text-lg { font-size: var(--font-size-lg) !important; }
.font-bold { font-weight: 700 !important; }
.font-medium { font-weight: 500 !important; }

/* Spacing */
.m-0 { margin: 0 !important; }
.mt-sm { margin-top: var(--spacing-sm) !important; }
.mt-md { margin-top: var(--spacing-md) !important; }
.mt-lg { margin-top: var(--spacing-lg) !important; }
.mb-sm { margin-bottom: var(--spacing-sm) !important; }
.mb-md { margin-bottom: var(--spacing-md) !important; }
.mb-lg { margin-bottom: var(--spacing-lg) !important; }
.p-0 { padding: 0 !important; }
.p-md { padding: var(--spacing-md) !important; }
.p-lg { padding: var(--spacing-lg) !important; }

/* Width */
.w-full { width: 100% !important; }
.w-auto { width: auto !important; }

/* Visibility */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* Overflow */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }

/* Cursor */
.cursor-pointer { cursor: pointer !important; }

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

/* Extra small: solo móviles pequeños (≤480px) */
@media (max-width: 480px) {
    .xs\:d-none { display: none !important; }
    .xs\:d-block { display: block !important; }
    .xs\:d-inline { display: inline !important; }

    .navbar-brand span {
        font-size: 0.875rem;
    }
}

/* Small: tablets y móviles grandes */
@media (max-width: 639px) {
    .sm\:d-none { display: none !important; }
    .sm\:d-block { display: block !important; }
    .sm\:text-center { text-align: center !important; }
    .sm\:flex-column { flex-direction: column !important; }
}

@media (min-width: 640px) {
    .md\:d-none { display: none !important; }
    .md\:d-block { display: block !important; }
    .md\:d-flex { display: flex !important; }
}

@media (min-width: 1024px) {
    .lg\:d-none { display: none !important; }
    .lg\:d-block { display: block !important; }
    .lg\:d-flex { display: flex !important; }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .app-header,
    .app-footer,
    .navbar,
    .btn,
    .modal-backdrop,
    .modal,
    .toast-container {
        display: none !important;
    }

    body {
        background: #fff !important;
        color: #000 !important;
    }

    .card {
        border: 1px solid #ccc !important;
        box-shadow: none !important;
    }
}

/* ============================================
   PANTALLAS MUY PEQUEÑAS (320px)
   ============================================ */
@media (max-width: 320px) {
    :root {
        --spacing-sm: 0.25rem;
        --spacing-md: 0.5rem;
        --spacing-lg: 0.75rem;
    }
    
    .container {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .navbar-brand span {
        display: none;
    }
    
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .btn-group {
        gap: 0.25rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    h1 {
        font-size: 1.25rem !important;
    }
}

/* Fix dropdowns que se salen del borde en móvil */
@media (max-width: 640px) {
    .dropdown-menu {
        max-width: calc(100vw - 1rem);
        right: 0;
        left: auto;
    }
    
    .dropdown-menu[style*="width: 320px"] {
        width: calc(100vw - 1rem) !important;
    }
}

/* ============================================
   FIX: Dropdown de Notificaciones CENTRADO en móvil
   ============================================ */
@media (max-width: 640px) {
    #notificationsDropdown .dropdown-menu {
        position: fixed !important;
        top: 60px !important;
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%) !important;
        width: calc(100vw - 2rem) !important;
        max-width: 320px;
    }

    #userDropdown .dropdown-menu {
        position: fixed !important;
        top: 60px !important;
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%) !important;
        width: calc(100vw - 2rem) !important;
        max-width: 280px;
    }
}

/* ============================================
   PWA INSTALL FAB (Floating Action Button)
   ============================================ */
.pwa-install-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pwa-fab-pulse 2s infinite;
}

.pwa-install-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.pwa-install-fab:active {
    transform: scale(0.95);
}

.pwa-install-fab.show {
    display: flex;
}

@keyframes pwa-fab-pulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(59, 130, 246, 0.6);
    }
}

/* Tooltip del FAB */
.pwa-install-fab::before {
    content: 'Instalar App';
    position: absolute;
    right: 70px;
    background: var(--color-text);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.pwa-install-fab:hover::before {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 640px) {
    .pwa-install-fab {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }

    .pwa-install-fab::before {
        display: none;
    }
}