/**
 * CSS para interface moderna de anexos - Baseado no Theme.css
 * Sistema drag-and-drop integrado ao design do SoundSwipe
 */

/* Container principal da dropzone moderna */
.modern-dropzone-container {
    margin-top: var(--spacing-8);
    margin-bottom: var(--spacing-6);
}

/* Área de drop moderna seguindo o Theme.css */
.modern-dropzone {
    background: var(--glass-background);
    border: 2px dashed var(--border-purple);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-12) var(--spacing-8);
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.modern-dropzone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.02) 0%, rgba(59, 130, 246, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.modern-dropzone:hover::before {
    opacity: 1;
}

.modern-dropzone:hover {
    border-color: rgba(139, 92, 246, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(139, 92, 246, 0.1), 0 10px 10px -5px rgba(139, 92, 246, 0.04);
}

.modern-dropzone.dragover {
    border-color: rgba(34, 197, 94, 0.6);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08) 0%, rgba(59, 130, 246, 0.08) 100%);
    transform: scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(34, 197, 94, 0.15);
}

.modern-dropzone.dragover .upload-icon {
    color: rgb(34, 197, 94);
    transform: scale(1.1);
}

/* Ícone de upload */
.upload-icon-container {
    position: relative;
    z-index: 1;
}

.upload-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 4px 6px rgba(34, 197, 94, 0.2));
}

/* Textos da dropzone */
.upload-title {
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, #ffffff 0%, #e5e7eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.upload-subtitle {
    position: relative;
    z-index: 1;
}

.upload-limits {
    position: relative;
    z-index: 1;
}

/* Botão de seleção moderno */
.modern-select-btn {
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 15px -3px rgba(139, 92, 246, 0.2), 0 4px 6px -2px rgba(139, 92, 246, 0.05);
}

.modern-select-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 25px -5px rgba(139, 92, 246, 0.25), 0 10px 10px -5px rgba(139, 92, 246, 0.1);
}

.modern-select-btn:active {
    transform: translateY(0);
}

/* Itens de anexo seguindo o padrão do Theme.css e da imagem */
.modern-attachment-item {
    background: var(--glass-background);
    border: var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    transition: var(--transition-normal);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.modern-attachment-item:hover {
    background: var(--glass-background-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Botões de ação modernos */
.modern-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.5rem 0.875rem;
    border-radius: 0.5rem;
    border: 1px solid;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modern-action-btn-view {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: rgb(147, 197, 253);
}

.modern-action-btn-view:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
    color: rgb(191, 219, 254);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.1);
}

.modern-action-btn-process {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: rgb(251, 191, 36);
}

.modern-action-btn-process:hover {
    background: rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.5);
    color: rgb(254, 215, 170);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(245, 158, 11, 0.1);
}

.modern-action-btn-delete {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: rgb(252, 165, 165);
}

.modern-action-btn-delete:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    color: rgb(254, 202, 202);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(239, 68, 68, 0.1);
}

/* Indicador de progresso de upload */
.upload-progress-container {
    text-align: center;
    padding: 2rem;
}

.upload-spinner {
    margin: 0 auto;
}

/* Animações adicionais */
@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    15%, 85% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* Estados responsivos */
@media (max-width: 768px) {
    .modern-dropzone {
        padding: 2rem 1rem;
        margin: 0 -1rem;
        border-radius: 1rem;
    }
    
    .upload-title {
        font-size: 1.125rem;
    }
    
    .modern-select-btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.8125rem;
    }
    
    .modern-attachment-item {
        margin: 0 -1rem 1rem;
        border-radius: 1rem;
    }
    
    .modern-action-btn {
        font-size: 0.6875rem;
        padding: 0.375rem 0.675rem;
    }
}

/* Dark mode enhancements */
@media (prefers-color-scheme: dark) {
    .modern-dropzone {
        background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(59, 130, 246, 0.08) 100%);
        border-color: rgba(139, 92, 246, 0.4);
    }
    
    .modern-dropzone:hover {
        border-color: rgba(139, 92, 246, 0.6);
    }
}

/* Accessibility improvements */
.modern-dropzone:focus-within {
    outline: 2px solid rgba(139, 92, 246, 0.5);
    outline-offset: 2px;
}

.modern-select-btn:focus {
    outline: 2px solid rgba(139, 92, 246, 0.5);
    outline-offset: 2px;
}

.modern-action-btn:focus {
    outline: 2px solid currentColor;
    outline-offset: 1px;
    opacity: 0.8;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .modern-dropzone {
        border-width: 3px;
        border-color: rgba(139, 92, 246, 0.8);
    }
    
    .modern-select-btn {
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .modern-action-btn {
        border-width: 2px;
    }
}