/* ============================================================================
 * AUTO-ORCAMENTO - Painel de Orcamento Automatico
 * ============================================================================
 * Usa CSS compartilhado de /shared:
 * - /shared/variables.css (cores, espacamento, z-index, tipografia)
 * - /shared/z-index.css (utilities e z-index padronizado)
 * - /shared/navbar.css (navbar flutuante pill)
 * - /shared/buttons.css (btn-primary, btn-secondary, etc)
 * - /shared/loading.css (loading-overlay, loading-spinner)
 * - /shared/custom-select.css + .js (dropdowns glassmorphism)
 * - /shared/cosmic-bg.css (background animado)
 * ============================================================================ */

/* Reset minimo */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Classe utilitaria hidden */
.hidden {
    display: none !important;
}

/* Loading overlay: empilhar cubo + mensagem */
.loading-overlay {
    flex-direction: column;
    gap: var(--spacing-md, 1rem);
}

.loading-message {
    color: var(--text-secondary, rgba(255, 255, 255, 0.6));
    font-size: var(--font-sm, 0.875rem);
    text-align: center;
}

/* ============================================================================
 * MAIN CONTAINER
 * ============================================================================ */

.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 160px var(--spacing-lg) var(--spacing-2xl);
    position: relative;
    z-index: var(--z-base);
}

/* ============================================================================
 * QUOTE PANEL
 * ============================================================================ */

.quote-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    position: relative;
}

.quote-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-red), var(--neon-blue));
    background-size: 200% 100%;
    animation: gradient-flow 3s linear infinite;
}

@keyframes gradient-flow {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

/* ============================================================================
 * UPLOAD SECTION
 * ============================================================================ */

.upload-section {
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.upload-zone {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
    border: 2px dashed rgba(0, 212, 255, 0.25);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: rgba(0, 212, 255, 0.02);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.06);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
}

.upload-zone.dragover {
    transform: scale(1.02);
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.25);
    border-style: solid;
}

.upload-icon {
    font-size: 4rem;
    color: var(--neon-blue);
    margin-bottom: var(--spacing-lg);
    opacity: 0.7;
    transition: var(--transition-normal);
}

.upload-zone:hover .upload-icon {
    opacity: 1;
    transform: translateY(-4px);
}

.upload-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.upload-button {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-pill);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.upload-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
}

.upload-formats {
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* ============================================================================
 * PREVIEW SECTION
 * ============================================================================ */

.preview-section {
    padding: var(--spacing-xl);
    animation: fade-in-up 0.4s ease;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.preview-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-xl);
}

/* 3D Viewer */
.viewer-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.viewer-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

#viewer3D {
    width: 100%;
    height: 100%;
    display: block;
}

.viewer-controls {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    z-index: var(--z-dropdown);
}

.viewer-controls button {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.viewer-controls button:hover,
.viewer-controls button.active {
    background: var(--neon-blue);
    border-color: var(--neon-blue);
}

/* Model Info */
.model-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm) var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

.info-item i {
    color: var(--neon-blue);
    font-size: 0.8rem;
}

.info-item strong {
    color: var(--text-primary);
}

/* ============================================================================
 * OPTIONS PANEL
 * ============================================================================ */

.options-panel {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--glass-border);
}

.options-title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

.options-title i {
    color: var(--neon-blue);
}

.option-group {
    margin-bottom: var(--spacing-lg);
}

.option-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Custom select wrapper ajuste */
.option-group .custom-select {
    width: 100%;
}

/* ============================================================================
 * RESULT SECTION
 * ============================================================================ */

.result-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(87, 212, 202, 0.1));
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.price-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.price-label {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.price-value {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--neon-blue);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.price-value.estimate {
    color: var(--neon-yellow);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.price-disclaimer {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

/* ============================================================================
 * ACTIONS SECTION
 * ============================================================================ */

.actions-section {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.submit-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.submit-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.change-file-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: var(--transition-fast);
}

.change-file-button:hover {
    color: var(--text-primary);
    border-color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.1);
}

/* ============================================================================
 * TIPS SECTION
 * ============================================================================ */

.tips-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
}

.tips-section h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

.tips-section h3 i {
    color: var(--neon-yellow);
}

.tips-section ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.tips-section li {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding-left: var(--spacing-lg);
    position: relative;
}

.tips-section li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--neon-blue);
    border-radius: 50%;
}

/* ============================================================================
 * FOOTER
 * ============================================================================ */

footer {
    padding: 60px 20px 30px;
    border-top: 1px solid var(--glass-border);
    background: rgba(10, 14, 26, 0.95);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    text-align: left;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-blue);
    margin: 0;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
}

.footer-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin: 0 0 16px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-list a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-list a:hover {
    color: var(--neon-blue);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    overflow: hidden;
}

.social-link:hover {
    background: var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin: 0;
}

.footer-list li i {
    color: var(--neon-blue);
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

/* Footer FAQ - mesmo estilo visual das outras colunas */
.footer-faq .footer-list li {
    display: block;
}

.footer-faq-item {
    width: 100%;
}

.footer-faq-item summary {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    list-style: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-faq-item summary::-webkit-details-marker {
    display: none;
}

.footer-faq-item summary:hover {
    color: var(--neon-blue);
}

.footer-faq-item summary i {
    color: var(--neon-blue);
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.footer-faq-item[open] summary {
    color: var(--neon-blue);
}

.footer-faq-item div[itemprop="acceptedAnswer"] {
    padding: 6px 0 0 26px;
}

.footer-faq-item div[itemprop="acceptedAnswer"] p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.5;
    margin: 0;
}

/* Footer Responsivo */
@media (max-width: 768px) {
    footer {
        padding: 40px 20px 25px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-brand {
        align-items: center;
    }

    .social-links {
        justify-content: center;
    }

    .footer-list {
        align-items: center;
    }

    .footer-bottom {
        padding-top: 20px;
    }
}

@media (max-width: 480px) {
    .footer-logo {
        font-size: 1.3rem;
    }

    .footer-tagline {
        font-size: 0.85rem;
    }

    .footer-list li {
        font-size: 0.85rem;
    }
}

/* ============================================================================
 * TOAST
 * ============================================================================ */

.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-danger);
    color: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    z-index: var(--z-toast);
    box-shadow: 0 4px 20px rgba(255, 82, 82, 0.4);
    animation: toast-in 0.3s ease;
    max-width: calc(100vw - 2rem);
}

.toast.toast-hiding {
    animation: toast-out 0.3s ease forwards;
}

.toast.toast-warning {
    background: var(--color-warning);
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes toast-out {
    from {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* ============================================================================
 * DESKTOP: LAYOUT SEM SCROLL (baseado no /financas)
 * ============================================================================ */

@media (min-width: 1025px) {
    .main-container {
        min-height: calc(100vh - 60px);
        display: flex;
        flex-direction: column;
        padding: 100px 1rem 0.5rem 1rem;
    }

    .quote-panel {
        flex: 1;
        min-height: 0;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        margin-top: 0.5rem;
    }

    /* Upload section: centralizar verticalmente */
    .quote-panel .upload-section {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Preview: preencher todo o espaco */
    .preview-section {
        flex: 1;
        min-height: 0;
        overflow: hidden;
        padding: 0.75rem;
    }

    .preview-layout {
        height: 100%;
        grid-template-columns: 1fr 340px;
        gap: 0.75rem;
    }

    .viewer-wrapper {
        min-height: 0;
        overflow: hidden;
    }

    .viewer-container {
        aspect-ratio: unset;
        flex: 1;
        min-height: 0;
    }

    .model-info {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    /* Options panel: scrollavel mas com espacamento confortavel */
    .options-panel {
        overflow-y: auto;
        max-height: 100%;
        padding: 1rem;
    }

    /* Scrollbar custom para options panel */
    .options-panel::-webkit-scrollbar {
        width: 4px;
    }

    .options-panel::-webkit-scrollbar-track {
        background: transparent;
    }

    .options-panel::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.15);
        border-radius: 4px;
    }

    .options-title {
        margin-bottom: 0.75rem;
        font-size: 0.95rem;
    }

    .option-group {
        margin-bottom: 0.65rem;
    }

    .option-group label {
        margin-bottom: 0.25rem;
        font-size: 0.8rem;
    }

    .result-section {
        margin-top: 0.75rem;
        padding: 0.75rem;
    }

    .price-display {
        margin-bottom: 0.4rem;
    }

    .actions-section {
        margin-top: 0.6rem;
        gap: 0.5rem;
    }

    .submit-button {
        padding: 0.6rem 0.75rem;
        font-size: 0.875rem;
    }

    .change-file-button {
        padding: 0.45rem 0.75rem;
        font-size: 0.8rem;
    }

    /* Esconder dicas no desktop */
    .tips-section {
        display: none;
    }
}

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

@media (max-width: 1024px) {
    .preview-layout {
        grid-template-columns: 1fr;
    }

    .options-panel {
        order: 2;
    }

    .viewer-wrapper {
        order: 1;
    }
}

@media (max-width: 768px) {
    .main-container {
        padding: 120px var(--spacing-md) var(--spacing-xl);
    }

    .page-title {
        font-size: var(--font-size-2xl);
    }

    .upload-section {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .upload-zone {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .upload-icon {
        font-size: 3rem;
    }

    .preview-section {
        padding: var(--spacing-md);
    }

    .viewer-container {
        aspect-ratio: 4 / 3;
    }

    .model-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .options-panel {
        padding: var(--spacing-md);
    }

    .price-value {
        font-size: var(--font-size-xl);
    }

    .color-trigger {
        padding: 0.5rem 0.7rem;
    }

    .color-modal {
        width: 100vw;
        max-width: 100vw;
    }

    .color-modal-header button {
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
    }

    .color-card {
        padding: 0.6rem 0.75rem;
    }

    .color-card-photo,
    .color-card-swatch {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .main-container {
        padding: 110px var(--spacing-sm) var(--spacing-lg);
    }

    .page-title {
        font-size: var(--font-size-xl);
    }

    .page-subtitle {
        font-size: var(--font-size-sm);
    }

    .upload-section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .upload-zone {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .upload-icon {
        font-size: 2.5rem;
    }

    .upload-text {
        font-size: var(--font-size-base);
    }

    .upload-button {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }

    .upload-formats {
        font-size: 0.7rem;
    }

    .preview-section {
        padding: var(--spacing-sm);
    }

    .viewer-container {
        aspect-ratio: 1 / 1;
    }

    .viewer-controls button {
        min-width: 40px;
        min-height: 40px;
    }

    .model-info {
        padding: var(--spacing-sm);
        font-size: 0.8125rem;
    }

    .auto-orcamento .model-info .info-item {
        font-size: 0.8125rem;
    }

    .options-panel {
        padding: 0.75rem;
    }

    .options-title {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-sm);
    }

    .option-group {
        margin-bottom: var(--spacing-sm);
    }

    .result-section {
        padding: var(--spacing-sm);
    }

    .price-value {
        font-size: var(--font-size-lg);
    }

    .submit-button {
        padding: 0.625rem 1rem;
        font-size: var(--font-size-sm);
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .change-file-button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.75rem;
    }

    .tips-section ul {
        grid-template-columns: 1fr;
    }

    .rotate-button {
        width: 46px;
        height: 46px;
        font-size: 1.1rem;
        bottom: 0.6rem;
        right: 0.6rem;
    }

    .finish-tooltip {
        width: 180px;
        left: auto;
        right: 0;
        transform: none;
    }

    .finish-tooltip::after {
        left: auto;
        right: 1rem;
        transform: none;
    }
}

@media (max-width: 360px) {
    .main-container {
        padding: 100px 0.4rem var(--spacing-md);
    }

    .quote-panel {
        border-radius: var(--radius-lg);
    }

    .viewer-controls button {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
        font-size: 0.85rem;
    }

    .rotate-button {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .color-card-photo,
    .color-card-swatch {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
    }

    .color-card-name {
        font-size: 0.8rem;
    }

    .submit-button {
        font-size: 0.8rem;
        padding: 0.625rem 0.75rem;
        word-break: break-word;
        overflow-wrap: break-word;
    }
}

/* ============================================================================
 * COLOR MODAL - NARROW SCREENS (320-380px)
 * ============================================================================ */

@media (max-width: 380px) {
    .color-modal {
        width: 100vw;
        max-width: 100vw;
    }

    .color-modal-header {
        padding: 1rem 0.75rem;
    }

    .color-modal-header h3 {
        font-size: 1rem;
    }

    .color-modal-body {
        padding: 0.75rem;
        gap: 0.4rem;
    }

    .color-card {
        padding: 0.6rem 0.65rem;
        gap: 0.6rem;
    }

    .color-card-name {
        font-size: 0.8rem;
    }

    .finish-badge {
        font-size: 0.6rem;
        padding: 0.1rem 0.35rem;
    }
}

/* ============================================================================
 * ROTATE BUTTON (separado, inferior direito do viewer)
 * ============================================================================ */

.rotate-button {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
    z-index: var(--z-dropdown);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.rotate-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.6);
}

.rotate-button:active {
    transform: scale(0.95);
}

/* ============================================================================
 * HIDE WEIGHT (ocultacao visual, calculo interno mantido)
 * ============================================================================ */

.info-weight-hidden {
    display: none;
}

/* ============================================================================
 * COLOR TRIGGER BUTTON (substitui select de cor)
 * ============================================================================ */

.color-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.6rem 0.8rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: var(--font-size-sm);
}

.color-trigger:hover {
    border-color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.05);
}

.color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
    background: var(--glass-border);
    object-fit: cover;
}

.color-name {
    flex: 1;
    text-align: left;
}

.color-trigger .fa-chevron-right {
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.color-trigger:hover .fa-chevron-right {
    color: var(--neon-blue);
}

/* Estado desabilitado quando nao ha cores */
.color-trigger.unavailable {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: rgba(255, 82, 82, 0.2);
}

.color-trigger.unavailable:hover {
    border-color: rgba(255, 82, 82, 0.2);
    background: var(--glass-bg);
}

/* ============================================================================
 * COLOR MODAL (slide-in lateral)
 * ============================================================================ */

.color-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop, 1040);
    display: flex;
    justify-content: flex-end;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.color-modal-overlay.hidden {
    display: none;
    opacity: 0;
}

.color-modal {
    width: 380px;
    max-width: 90vw;
    height: 100vh;
    background: var(--dark-bg);
    border-left: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    animation: slide-in-right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: var(--z-modal, 1050);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.4);
}

@keyframes slide-in-right {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.color-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.color-modal-header h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.color-modal-header h3 i {
    color: var(--neon-blue);
}

.color-modal-header button {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.color-modal-header button:hover {
    color: var(--neon-red);
    border-color: var(--neon-red);
}

.color-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.color-modal-empty {
    color: var(--text-muted);
    text-align: center;
    padding: 2rem;
}

/* Color Card */
.color-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.color-card:hover {
    border-color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.05);
    transform: translateX(4px);
}

.color-card.selected {
    border-color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
    border-left: 3px solid var(--neon-blue);
}

.color-card-swatch {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.color-card-photo {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    background: var(--glass-bg);
}

.color-card-swatch.transparent-swatch {
    background: repeating-conic-gradient(#808080 0% 25%, #c0c0c0 0% 50%) 50% / 12px 12px;
}

.color-card-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.color-card-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.color-card-badges {
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
}

/* Finish glossary badge */
.finish-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.15rem 0.45rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-pill);
    background: rgba(0, 212, 255, 0.15);
    color: var(--neon-blue);
    border: 1px solid rgba(0, 212, 255, 0.3);
    cursor: help;
    position: relative;
}

.finish-badge:hover {
    background: rgba(0, 212, 255, 0.25);
}

/* Tooltip for finish badge */
.finish-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: 220px;
    padding: 0.6rem 0.8rem;
    background: var(--dark-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: none;
    color: var(--text-secondary);
    line-height: 1.4;
    z-index: var(--z-tooltip, 1070);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.finish-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--glass-border);
}

.finish-badge:hover .finish-tooltip {
    display: block;
}

.color-card-check {
    color: var(--neon-blue);
    font-size: 1rem;
    opacity: 0;
    transition: var(--transition-fast);
}

.color-card.selected .color-card-check {
    opacity: 1;
}

/* ============================================================================
 * MOBILE TOUCH IMPROVEMENTS
 * ============================================================================ */

/* Remove tap highlight and prevent 300ms delay on all interactive elements */
.auto-orcamento button,
.auto-orcamento .color-trigger,
.auto-orcamento .color-card,
.auto-orcamento .upload-zone,
.auto-orcamento .upload-button,
.auto-orcamento .submit-button,
.auto-orcamento .change-file-button,
.auto-orcamento .rotate-button,
.auto-orcamento .viewer-controls button,
.auto-orcamento .finish-badge {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Price overflow protection */
.price-value {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Smooth scroll for options panel on mobile */
@media (max-width: 1024px) {
    .options-panel {
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }
}

/* Safe area inset for notched phones */
@supports (padding: env(safe-area-inset-bottom)) {
    @media (max-width: 768px) {
        .auto-orcamento .main-container {
            padding-left: max(var(--spacing-md), env(safe-area-inset-left));
            padding-right: max(var(--spacing-md), env(safe-area-inset-right));
            padding-bottom: max(var(--spacing-xl), env(safe-area-inset-bottom));
        }

        .auto-orcamento .toast {
            bottom: max(var(--spacing-xl), env(safe-area-inset-bottom));
        }
    }

    @media (max-width: 480px) {
        .auto-orcamento .main-container {
            padding-left: max(var(--spacing-sm), env(safe-area-inset-left));
            padding-right: max(var(--spacing-sm), env(safe-area-inset-right));
        }
    }
}

/* ============================================================================
 * LANDSCAPE MOBILE HANDLING
 * ============================================================================ */

@media (max-height: 500px) and (orientation: landscape) {
    .auto-orcamento .main-container {
        padding-top: 80px;
    }

    .auto-orcamento .viewer-container {
        aspect-ratio: 16 / 9;
        max-height: 45vh;
    }

    .auto-orcamento .upload-zone {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .auto-orcamento .upload-icon {
        font-size: 2rem;
    }

    .auto-orcamento .upload-text {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-sm);
    }

    .auto-orcamento .upload-button {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .auto-orcamento .upload-formats {
        margin-top: var(--spacing-sm);
    }

    .auto-orcamento .model-info {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .auto-orcamento .options-panel {
        max-height: 60vh;
        overflow-y: auto;
    }

    .auto-orcamento .rotate-button {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }
}

/* ============================================================================
 * ACCESSIBILITY
 * ============================================================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}