/* Royalties Milionários - Music Generator CSS */

/* Reset e base */
.rm-music-generator * {
    box-sizing: border-box;
}

.rm-music-generator {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Container principal */
.rm-generator-container {
    position: relative;
    overflow: hidden;
}

/* Responsividade aprimorada */
@media (max-width: 1024px) {
    .rm-music-generator {
        padding: 25px 20px;
    }
    
    .rm-generator-container {
        padding: 25px;
    }
    
    .rm-title {
        font-size: 2.2em;
    }
}

@media (max-width: 768px) {
    .rm-music-generator {
        padding: 20px 15px;
        margin: 10px;
        border-radius: 15px;
    }
    
    .rm-generator-container {
        padding: 20px;
    }
    
    .rm-title {
        font-size: 1.8em;
    }
    
    .rm-subtitle {
        font-size: 1.1em;
    }
    
    .rm-form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .rm-examples-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .rm-result-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .rm-download-btn,
    .rm-new-music-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .rm-music-generator {
        padding: 15px 10px;
        margin: 5px;
    }
    
    .rm-generator-container {
        padding: 15px;
    }
    
    .rm-title {
        font-size: 1.6em;
    }
    
    .rm-form-container {
        padding: 20px;
    }
    
    .rm-form-group input,
    .rm-form-group textarea,
    .rm-form-group select {
        padding: 10px 12px;
        font-size: 16px; /* Previne zoom no iOS */
    }
    
    .rm-generate-btn {
        padding: 12px 25px;
        font-size: 1.1em;
    }
}

/* Melhorias de acessibilidade */
.rm-form-group label {
    cursor: pointer;
}

.rm-form-group input:focus,
.rm-form-group textarea:focus,
.rm-form-group select:focus {
    outline: 2px solid #ff6b35;
    outline-offset: 2px;
}

/* Estados de hover melhorados */
.rm-generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255,107,53,0.4);
}

.rm-example-item:hover {
    background: rgba(255,255,255,0.2);
    border-color: #ff6b35;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Animações suaves */
.rm-form-container,
.rm-result,
.rm-status,
.rm-examples {
    transition: all 0.3s ease;
}

/* Loading states */
.rm-generate-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.rm-btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Progress bar melhorada */
.rm-progress-bar {
    position: relative;
    overflow: hidden;
}

.rm-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Audio player customizado */
.rm-audio-player audio {
    width: 100%;
    height: 50px;
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
}

.rm-audio-player audio::-webkit-media-controls-panel {
    background-color: rgba(255,255,255,0.1);
}

/* Tooltips para exemplos */
.rm-example-item {
    position: relative;
}

.rm-example-item::before {
    content: 'Clique para usar este exemplo';
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.rm-example-item:hover::before {
    opacity: 1;
}

/* Melhorias para dark mode */
@media (prefers-color-scheme: dark) {
    .rm-music-generator {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    }
    
    .rm-generator-container {
        background: rgba(255,255,255,0.05);
        border-color: rgba(255,255,255,0.1);
    }
    
    .rm-form-container,
    .rm-result,
    .rm-status,
    .rm-examples {
        background: rgba(255,255,255,0.05);
    }
}

/* Print styles */
@media print {
    .rm-music-generator {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    .rm-generate-btn,
    .rm-result-actions,
    .rm-examples {
        display: none !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .rm-music-generator {
        background: #000;
        color: #fff;
        border: 2px solid #fff;
    }
    
    .rm-form-group input,
    .rm-form-group textarea,
    .rm-form-group select {
        background: #000;
        color: #fff;
        border: 2px solid #fff;
    }
    
    .rm-generate-btn {
        background: #fff;
        color: #000;
        border: 2px solid #fff;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .rm-music-generator *,
    .rm-music-generator *::before,
    .rm-music-generator *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .rm-spinner {
        animation: none;
    }
    
    .rm-progress-fill {
        animation: none;
        width: 50%;
    }
}

/* Focus visible para melhor acessibilidade */
.rm-generate-btn:focus-visible,
.rm-download-btn:focus-visible,
.rm-new-music-btn:focus-visible,
.rm-example-item:focus-visible {
    outline: 2px solid #ff6b35;
    outline-offset: 2px;
}

/* Estados de erro */
.rm-form-group.error input,
.rm-form-group.error textarea,
.rm-form-group.error select {
    border-color: #e74c3c;
    background: rgba(231,76,60,0.1);
}

.rm-form-group.error label {
    color: #e74c3c;
}

/* Estados de sucesso */
.rm-form-group.success input,
.rm-form-group.success textarea,
.rm-form-group.success select {
    border-color: #27ae60;
    background: rgba(39,174,96,0.1);
}

/* Skeleton loading para melhor UX */
.rm-skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.1) 25%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0.1) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Micro-interações */
.rm-form-group input:valid + .rm-validation-icon::before {
    content: '✓';
    color: #27ae60;
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.rm-form-group input:invalid + .rm-validation-icon::before {
    content: '✗';
    color: #e74c3c;
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}