/* ========================================
   SISTEMA UNIFICADO DE BOTONES - RANCHO DON JOSÉ
   ======================================== */

/* Variables CSS para consistencia - Mobile First */
:root {
    /* Colores principales */
    --btn-primary-bg: rgba(24, 119, 242, 0.1);
    --btn-primary-border: rgba(24, 119, 242, 0.2);
    --btn-primary-color: #1877F2;
    --btn-primary-hover-bg: rgba(24, 119, 242, 0.15);
    --btn-primary-hover-border: rgba(24, 119, 242, 0.3);
    --btn-primary-shadow: rgba(24, 119, 242, 0.1);
    --btn-primary-hover-shadow: rgba(24, 119, 242, 0.2);

    --btn-secondary-bg: rgba(255, 255, 255, 0.05);
    --btn-secondary-border: rgba(255, 255, 255, 0.1);
    --btn-secondary-color: #FFFFFF;
    --btn-secondary-hover-bg: rgba(255, 255, 255, 0.1);
    --btn-secondary-hover-border: rgba(255, 255, 255, 0.2);
    --btn-secondary-shadow: rgba(255, 255, 255, 0.05);
    --btn-secondary-hover-shadow: rgba(255, 255, 255, 0.1);

    --btn-success-bg: rgba(16, 185, 129, 0.1);
    --btn-success-border: rgba(16, 185, 129, 0.2);
    --btn-success-color: #10b981;
    --btn-success-hover-bg: rgba(16, 185, 129, 0.15);
    --btn-success-hover-border: rgba(16, 185, 129, 0.3);
    --btn-success-shadow: rgba(16, 185, 129, 0.1);
    --btn-success-hover-shadow: rgba(16, 185, 129, 0.2);

    --btn-danger-bg: rgba(255, 107, 107, 0.1);
    --btn-danger-border: rgba(255, 107, 107, 0.2);
    --btn-danger-color: #ff6b6b;
    --btn-danger-hover-bg: rgba(255, 107, 107, 0.15);
    --btn-danger-hover-border: rgba(255, 107, 107, 0.3);
    --btn-danger-shadow: rgba(255, 107, 107, 0.1);
    --btn-danger-hover-shadow: rgba(255, 107, 107, 0.2);

    --btn-warning-bg: rgba(255, 193, 7, 0.1);
    --btn-warning-border: rgba(255, 193, 7, 0.2);
    --btn-warning-color: #ffc107;
    --btn-warning-hover-bg: rgba(255, 193, 7, 0.15);
    --btn-warning-hover-border: rgba(255, 193, 7, 0.3);
    --btn-warning-shadow: rgba(255, 193, 7, 0.1);
    --btn-warning-hover-shadow: rgba(255, 193, 7, 0.2);

    /* Espaciado y tamaños - Mobile First */
    --btn-padding-sm: 10px 16px;
    --btn-padding-md: 12px 18px;
    --btn-padding-lg: 14px 20px;
    --btn-font-size-sm: 0.8rem;
    --btn-font-size-md: 0.85rem;
    --btn-font-size-lg: 0.9rem;
    --btn-border-radius: 8px;
    --btn-transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ========================================
   CLASE BASE PARA TODOS LOS BOTONES
   ======================================== */
.btn {
    /* Layout */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    
    /* Box Model */
    padding: var(--btn-padding-md);
    border: 1px solid transparent;
    border-radius: var(--btn-border-radius);
    min-height: 44px; /* Touch target mínimo para mobile */
    
    /* Typography */
    font-family: inherit;
    font-size: var(--btn-font-size-md);
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
    
    /* Visual */
    background: transparent;
    color: inherit;
    cursor: pointer;
    user-select: none;
    
    /* Animation */
    transition: var(--btn-transition);
    transform: translateZ(0); /* Hardware acceleration */
    
    /* Accessibility */
    outline: none;
    position: relative;
    overflow: hidden;
}

/* ========================================
   ESTADOS DE INTERACCIÓN
   ======================================== */

/* Hover State */
.btn:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

/* Active State */
.btn:active {
    transform: translateY(0);
    transition-duration: 0.1s;
}

/* Focus State - Accesibilidad AA */
.btn:focus-visible {
    outline: 2px solid var(--btn-primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(24, 119, 242, 0.2);
}

/* Disabled State */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ========================================
   VARIANTES DE BOTONES
   ======================================== */

/* Botón Primario */
.btn-primary {
    background: var(--btn-primary-bg);
    border-color: var(--btn-primary-border);
    color: var(--btn-primary-color);
    box-shadow: 0 4px 15px var(--btn-primary-shadow);
}

.btn-primary:hover:not(:disabled) {
    background: var(--btn-primary-hover-bg);
    border-color: var(--btn-primary-hover-border);
    box-shadow: 0 6px 20px var(--btn-primary-hover-shadow);
}

/* Botón Secundario */
.btn-secondary {
    background: var(--btn-secondary-bg);
    border-color: var(--btn-secondary-border);
    color: var(--btn-secondary-color);
    box-shadow: 0 4px 15px var(--btn-secondary-shadow);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--btn-secondary-hover-bg);
    border-color: var(--btn-secondary-hover-border);
    box-shadow: 0 6px 20px var(--btn-secondary-hover-shadow);
}

/* Botón de Éxito */
.btn-success {
    background: var(--btn-success-bg);
    border-color: var(--btn-success-border);
    color: var(--btn-success-color);
    box-shadow: 0 4px 15px var(--btn-success-shadow);
}

.btn-success:hover:not(:disabled) {
    background: var(--btn-success-hover-bg);
    border-color: var(--btn-success-hover-border);
    box-shadow: 0 6px 20px var(--btn-success-hover-shadow);
}

/* Botón de Peligro */
.btn-danger {
    background: var(--btn-danger-bg);
    border-color: var(--btn-danger-border);
    color: var(--btn-danger-color);
    box-shadow: 0 4px 15px var(--btn-danger-shadow);
}

.btn-danger:hover:not(:disabled) {
    background: var(--btn-danger-hover-bg);
    border-color: var(--btn-danger-hover-border);
    box-shadow: 0 6px 20px var(--btn-danger-hover-shadow);
}

/* Botón de Advertencia */
.btn-warning {
    background: var(--btn-warning-bg);
    border-color: var(--btn-warning-border);
    color: var(--btn-warning-color);
    box-shadow: 0 4px 15px var(--btn-warning-shadow);
}

.btn-warning:hover:not(:disabled) {
    background: var(--btn-warning-hover-bg);
    border-color: var(--btn-warning-hover-border);
    box-shadow: 0 6px 20px var(--btn-warning-hover-shadow);
}

/* ========================================
   TAMAÑOS DE BOTONES
   ======================================== */

.btn-sm {
    padding: var(--btn-padding-sm);
    font-size: var(--btn-font-size-sm);
    gap: 6px;
}

.btn-lg {
    padding: var(--btn-padding-lg);
    font-size: var(--btn-font-size-lg);
    gap: 10px;
}

/* ========================================
   BOTONES ESPECIALES
   ======================================== */

/* Botón de Acción (para tablas) */
.btn-action {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 6px;
    min-width: auto;
}

/* Botón Toggle */
.btn-toggle {
    position: relative;
    min-width: 80px;
}

.btn-toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 8px;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.3;
    transition: all 0.3s ease;
}

.btn-toggle.active::before {
    opacity: 1;
    background: #10b981;
}

/* Botón Link */
.btn-link {
    background: transparent;
    border: none;
    color: var(--btn-primary-color);
    padding: 4px 8px;
    box-shadow: none;
    text-decoration: underline;
}

.btn-link:hover {
    background: rgba(24, 119, 242, 0.1);
    transform: none;
    box-shadow: none;
}

/* ========================================
   EFECTOS ESPECIALES
   ======================================== */

/* Efecto de brillo al hover */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.btn:hover::before {
    left: 100%;
}

/* Asegurar que el contenido esté por encima del efecto */
.btn > * {
    position: relative;
    z-index: 2;
}

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

@media (max-width: 768px) {
    .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
        gap: 6px;
    }
    
    .btn-sm {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    
    .btn-lg {
        padding: 14px 20px;
        font-size: 0.95rem;
    }
    
    .btn-action {
        padding: 4px 8px;
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn-action {
        width: auto;
    }
}

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

/* Botón de ancho completo */
.btn-full {
    width: 100%;
}

/* Botón con icono */
.btn-icon {
    padding: 8px;
    border-radius: 50%;
    min-width: 40px;
    height: 40px;
}

/* Grupo de botones */
.btn-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.btn-group .btn {
    flex: 1;
}

/* ========================================
   RESPONSIVE BREAKPOINTS - Mobile First
   ======================================== */

/* Tablet and up (768px+) */
@media (min-width: 768px) {
    :root {
        --btn-padding-sm: 8px 16px;
        --btn-padding-md: 12px 20px;
        --btn-padding-lg: 16px 24px;
        --btn-font-size-sm: 0.8rem;
        --btn-font-size-md: 0.9rem;
        --btn-font-size-lg: 1rem;
    }
    
    .btn {
        gap: 8px;
        min-height: auto;
    }
    
    .btn-sm {
        min-height: 32px;
    }
    
    .btn-lg {
        min-height: 48px;
    }
    
    .btn-xl {
        min-height: 56px;
    }
    
    .btn-icon {
        min-width: 40px;
        height: 40px;
    }
    
    .btn-group {
        gap: 12px;
    }
}

/* Desktop and up (1024px+) */
@media (min-width: 1024px) {
    .btn-group {
        gap: 16px;
    }
}

/* ========================================
   COMPATIBILIDAD CON SISTEMA EXISTENTE
   ======================================== */

/* Mantener compatibilidad con clases existentes */
.btn-dashboard {
    background: rgba(255, 165, 0, 0.1);
    border-color: rgba(255, 165, 0, 0.2);
    color: #ffa500;
}

.btn-dashboard:hover:not(:disabled) {
    background: rgba(255, 165, 0, 0.15);
    border-color: rgba(255, 165, 0, 0.3);
    box-shadow: 0 6px 20px rgba(255, 165, 0, 0.2);
}

.btn-backup {
    background: rgba(108, 92, 231, 0.1);
    border-color: rgba(108, 92, 231, 0.2);
    color: #6c5ce7;
}

.btn-backup:hover:not(:disabled) {
    background: rgba(108, 92, 231, 0.15);
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.2);
}

.btn-restore {
    background: rgba(253, 121, 168, 0.1);
    border-color: rgba(253, 121, 168, 0.2);
    color: #fd79a8;
}

.btn-restore:hover:not(:disabled) {
    background: rgba(253, 121, 168, 0.15);
    border-color: rgba(253, 121, 168, 0.3);
    box-shadow: 0 6px 20px rgba(253, 121, 168, 0.2);
}

/* ========================================
   MOBILE-FIRST IMPROVEMENTS
   ======================================== */

/* Tap target mínimo para móviles */
.btn {
    min-height: 44px;
    min-width: 44px;
}

/* Botoneras responsivas */
.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.btn-group.vertical {
    flex-direction: column;
    align-items: stretch;
}

.btn-group.vertical .btn {
    width: 100%;
}

/* Estados de carga */
.btn.loading {
    pointer-events: none;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Focus visible mejorado */
.btn:focus-visible {
    outline: 2px solid var(--btn-primary-color);
    outline-offset: 2px;
}

/* Safe areas para móviles */
@supports (padding: max(0px)) {
    .btn-group {
        padding-left: max(8px, env(safe-area-inset-left));
        padding-right: max(8px, env(safe-area-inset-right));
    }
}

.btn-instagram {
    background: rgba(225, 48, 108, 0.1);
    border-color: rgba(225, 48, 108, 0.2);
    color: #E1306C;
}

.btn-instagram:hover:not(:disabled) {
    background: rgba(225, 48, 108, 0.15);
    border-color: rgba(225, 48, 108, 0.3);
    box-shadow: 0 6px 20px rgba(225, 48, 108, 0.2);
}