/* Preview Container */
.preview-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--color-background);
    min-height: 0; /* Importante para permitir scroll em layouts flex aninhados */
}

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

.preview-device-selector {
    display: flex;
    gap: var(--spacing-xs);
}

.device-btn {
    background: transparent;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.device-btn:hover {
    color: var(--color-text-primary);
    background-color: var(--color-surface-alt);
}

.device-btn.active {
    color: var(--color-primary);
    background-color: var(--color-primary-lighter);
}

.preview-frame {
    flex: 1;
    overflow-y: scroll; /* Forçar scroll vertical */
    overflow-x: hidden; /* Esconder scroll horizontal */
    padding: var(--spacing-lg);
    display: flex;
    justify-content: center;
    min-height: 0; /* Importante para permitir scroll em layouts flex */
    height: 100%;
    position: relative;
    -webkit-overflow-scrolling: touch; /* Melhora o scroll no iOS */
    touch-action: manipulation; /* Melhor comportamento de touch */
    overscroll-behavior-y: contain; /* Prevenir scroll bounce */
    scroll-behavior: smooth; /* Scroll suave */
}

/* Estilos padrão da scrollbar */
.preview-frame::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.preview-frame::-webkit-scrollbar-track {
    background: var(--color-background);
    border-radius: 4px;
}

.preview-frame::-webkit-scrollbar-thumb {
    background: var(--color-border-dark);
    border-radius: 4px;
}

.preview-frame::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-tertiary);
}

/* Scrollbar maior para mobile landscape */
@media screen and (max-width: 768px) and (orientation: landscape) {
    .preview-frame::-webkit-scrollbar {
        width: 14px;
        height: 14px;
    }

    .preview-frame::-webkit-scrollbar-track {
        background: var(--color-background);
        border-radius: 7px;
    }

    .preview-frame::-webkit-scrollbar-thumb {
        background: var(--color-primary-lighter);
        border-radius: 7px;
        border: 2px solid var(--color-background);
    }

    .preview-frame::-webkit-scrollbar-thumb:hover {
        background: var(--color-primary);
    }
}

/* Ajustes específicos para mobile */
@media screen and (max-width: 768px) {
    .preview-frame {
        padding: 0;
        overflow: auto !important;
        -webkit-overflow-scrolling: touch;
        touch-action: manipulation;
        overscroll-behavior-y: contain;
    }
    
    .landing-page {
        -webkit-overflow-scrolling: touch;
        overflow-y: auto !important;
        overscroll-behavior-y: contain;
    }

    .preview-frame.mobile .landing-page {
        width: 100%;
        min-height: 100%;
        margin: 0;
        padding: var(--spacing-sm);
        border: none;
        border-radius: 0;
        box-shadow: none;
        overflow-y: auto !important;
    }
    
    .editable {
        -webkit-touch-callout: none;
        touch-action: manipulation;
    }
    
    .editable:active {
        background-color: rgba(0, 112, 243, 0.1);
    }
    
    .preview-frame input,
    .preview-frame textarea {
        font-size: 16px !important; /* Previne zoom no iOS */
        max-width: 100%;
        box-sizing: border-box;
        -webkit-appearance: none;
        border-radius: 0;
    }
    
    .preview-frame textarea {
        min-height: 100px;
        padding: 8px;
    }
}

/* Preview Device Frames */
.preview-frame.desktop .landing-page {
    width: 100%;
    max-width: 1200px;
}

.preview-frame.tablet .landing-page {
    width: 768px;
    margin: 0 auto;
    border: 12px solid #333;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.preview-frame.mobile .landing-page {
    width: 375px;
    margin: 0 auto;
    border: 12px solid #333;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

/* Landing Page Container */
.landing-page {
    background-color: var(--color-surface);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    overflow-y: auto; /* Permitir scroll dentro da landing page */
    min-height: 100%;
    height: auto !important; /* Força a altura automática */
    position: relative;
    width: 100%;
    -webkit-overflow-scrolling: touch;
    transform: translate3d(0, 0, 0); /* Forçar aceleração de hardware */
    will-change: scroll-position; /* Otimiza para scrolling */
}

/* Full Preview */
.full-preview-container {
    width: 100%;
    height: 100%;
    overflow: auto;
}

.editable {
    position: relative;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.editable:hover {
    background-color: rgba(0, 112, 243, 0.05);
}

/* Section Controls */
.section-controls {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 5px;
    opacity: 0;
    transition: opacity var(--transition-fast);
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-md);
    padding: 5px;
    box-shadow: var(--shadow-sm);
}

.section-wrapper {
    position: relative;
}

.section-wrapper:hover .section-controls {
    opacity: 1;
}

.control-btn {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-tertiary);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.control-btn:hover {
    background-color: var(--color-background);
    color: var(--color-text-primary);
}

.control-btn.move-up:hover {
    color: var(--color-primary);
}

.control-btn.move-down:hover {
    color: var(--color-primary);
}

.control-btn.edit:hover {
    color: var(--color-info);
}

.control-btn.delete:hover {
    color: var(--color-error);
}

/* Section placeholder when empty */
.empty-section {
    padding: 50px 20px;
    text-align: center;
    border: 2px dashed var(--color-border);
    margin: 20px;
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
}

.empty-section-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

/* Edit mode */
body.edit-mode .editable {
    outline: 1px dashed var(--color-primary);
}

body.edit-mode .editable:hover {
    outline: 2px dashed var(--color-primary);
}