/* =================================
   MODALS
   ================================= */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
    padding-top: 40px;
    animation: fadeIn 0.2s ease;
    overflow-y: auto;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal {
    background: var(--cor-fundo);
    border: none;
    border-radius: var(--radius-lg);
    max-width: 480px;
    width: 100%;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    animation: scaleIn 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    margin-bottom: 40px;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--cor-texto);
    margin: 0;
}

.btn-close-modal {
    background: transparent;
    border: none;
    color: var(--cor-texto-sec);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-close-modal:hover {
    background: var(--cor-card);
    color: var(--cor-texto);
}

.btn-close-modal .icon {
    width: 20px;
    height: 20px;
}

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

.modal-footer {
    padding: var(--spacing-lg);
    border-top: none;
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--cor-texto);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    background: var(--cor-card);
    border: 1px solid var(--cor-secundaria);
    border-radius: 100px;
    padding: var(--spacing-md);
    font-size: 16px;
    color: var(--cor-texto);
    transition: all var(--transition-fast);
}

.form-input::placeholder {
    color: var(--cor-texto-sec);
    opacity: 0.5;
}

.form-input:focus {
    outline: none;
    background: rgba(90, 79, 207, 0.1);
    box-shadow: 0 0 0 3px rgba(90, 79, 207, 0.2);
}

.form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-hint {
    font-size: 13px;
    color: var(--cor-texto-sec);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: 13px;
    color: var(--cor-erro);
    margin-top: var(--spacing-xs);
}

/* Button Variants */
.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    border-radius: 100px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

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

/* Botão de usar crédito / desbloquear (verde) */
.btn-credit,
.btn-unlock {
    background: rgba(74, 222, 128, 0.2);
    color: #4ade80;
    border: none;
    border-radius: 100px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.btn-credit:hover,
.btn-unlock:hover {
    background: rgba(74, 222, 128, 0.3);
    transform: translateY(-1px);
}

.btn-credit:active,
.btn-unlock:active {
    transform: translateY(0);
}

/* Botão de comprar (premium) */
.btn-buy {
    background: var(--cor-premium-bg);
    color: var(--cor-premium);
    border: none;
    border-radius: 100px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.btn-buy:hover {
    background: #26e0ff45;
    transform: translateY(-1px);
}

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

/* Botão de cancelar (cinza) */
.btn-cancel {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 100px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

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

/* Botão de sair (vermelho) */
.btn-logout,
.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: none;
    border-radius: 100px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.btn-logout:hover,
.btn-danger:hover {
    background: rgba(239, 68, 68, 0.3);
    transform: translateY(-1px);
}

.btn-logout:active,
.btn-danger:active {
    transform: translateY(0);
}

/* Grid de botões do modal */
.modal-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.modal-actions button {
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Botões verticais do modal (para detalhes de áudio) */
.modal-actions-vertical {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

.modal-actions-vertical button {
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--cor-primaria);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-fast);
}

.btn-text:hover {
    text-decoration: underline;
}

/* Welcome Modal */
.welcome-content {
    text-align: center;
}

.welcome-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
}

.welcome-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--cor-texto-sec);
    margin-bottom: var(--spacing-xl);
}

/* Audio Selection Modal */
.audio-selection-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-height: 400px;
    overflow-y: auto;
}

.audio-selection-card {
    background: var(--cor-card);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.audio-selection-card:hover {
    background: rgba(90, 79, 207, 0.1);
    transform: translateY(-2px);
}

.audio-selection-card.selected {
    background: rgba(90, 79, 207, 0.2);
}

.audio-selection-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.audio-selection-icon {
    font-size: 32px;
}

.audio-selection-info {
    flex: 1;
}

.audio-selection-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--cor-texto);
    margin: 0 0 4px 0;
}

.audio-selection-meta {
    font-size: 13px;
    color: var(--cor-texto-sec);
}

.audio-selection-description {
    font-size: 14px;
    color: var(--cor-texto-sec);
    line-height: 1.5;
}

/* Share Modal */
.share-code-box {
    background: var(--gradient-card);
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.share-code {
    font-size: 32px;
    font-weight: 700;
    color: var(--cor-primaria);
    letter-spacing: 4px;
    font-family: 'Courier New', monospace;
}

.progress-info {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.progress-text {
    font-size: 14px;
    color: var(--cor-texto-sec);
    margin-bottom: var(--spacing-sm);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--cor-card);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--cor-primaria);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.share-instructions {
    font-size: 14px;
    line-height: 1.7;
    color: var(--cor-texto-sec);
    margin-top: var(--spacing-lg);
}

/* Notification Item */
.notification-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notification-item {
    background: var(--gradient-card);
    border: none;
    border-radius: var(--radius-md);
    padding: 16px;
    transition: all var(--transition-fast);
}

.notification-item:hover {
    background: var(--gradient-card-hover);
    transform: translateX(4px);
}

.notification-item.unread {
    background: var(--gradient-card-hover);
}

.notification-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.notification-icon {
    font-size: 20px;
}

.notification-title {
    flex: 1;
    font-size: 15px;
    font-weight: 600;
    color: var(--cor-texto);
    margin: 0;
}

.notification-message {
    font-size: 14px;
    color: var(--cor-texto-sec);
    line-height: 1.5;
    margin: var(--spacing-xs) 0;
}

.notification-time {
    font-size: 12px;
    color: var(--cor-texto-sec);
    opacity: 0.7;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.empty-icon {
    font-size: 64px;
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.empty-text {
    font-size: 15px;
    color: var(--cor-texto-sec);
}

/* Audio Detail Modal */
.audio-detail-modal {
    max-width: 560px;
}

.audio-detail-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.audio-detail-description {
    margin-bottom: var(--spacing-lg);
}

.audio-detail-description p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--cor-texto);
    font-weight: 500;
}

.audio-detail-scientific {
    margin-bottom: var(--spacing-xl);
}

.audio-detail-scientific p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--cor-texto-sec);
}

.audio-detail-actions {
    display: flex;
    gap: var(--spacing-md);
}

.btn-price {
    background: var(--cor-premium);
    color: white;
    border: none;
    border-radius: 100px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.btn-price:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
}

.btn-price:active {
    transform: scale(0.98);
}

/* Botão de exclusão de notificação */
.btn-delete-notification:hover {
    background: rgba(239, 68, 68, 0.2) !important;
    transform: scale(1.1);
}

.btn-delete-notification:active {
    transform: scale(0.95);
}

/* Responsive */
@media (max-width: 480px) {
    .modal {
        max-height: 100vh;
        margin: 20px;
    }

    .modal-overlay {
        padding: 0;
    }

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

    .modal-header {
        padding: var(--spacing-lg) var(--spacing-lg) 0 var(--spacing-xl);
    }

    .modal-actions {
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 24px;
    }

    .share-code {
        font-size: 24px;
        letter-spacing: 2px;
    }
}