/* Reset e Variáveis CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    scroll-behavior: smooth;
}

/* Utilitários */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    /*background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);*/
    padding: 15px 20px;
    background: black;
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}


.header.scrolled {
    background: rgba(37, 99, 235, 0.95);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    color: var(--white);
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.logo:hover .logo-icon {
    background: rgba(255, 255, 255, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-color);
    box-shadow: var(--shadow-lg);
    padding: 20px;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu .nav-menu {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-menu .nav-link {
    padding: 12px 16px;
    border-radius: var(--border-radius);
}

/* Main Content */
.main-content {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #274487 0%, #000000 100%);
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(59,130,246,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
}

/* Buttons */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.cta-button.secondary {
    background: linear-gradient(135deg, var(--success-color), #059669);
}

.cta-button.large {
    padding: 20px 40px;
    font-size: 20px;
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-title p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 100px 20px;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--white);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* How it Works Section */
/* ALTERNATIVA COM FLEXBOX - Mais controle sobre centralização */

.how-it-works {
    background: var(--bg-light);
    padding: 100px 20px;
}

.steps-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 60px;
    margin-top: 60px;
    position: relative;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Linha conectora - mais precisa com flexbox */
.steps-container::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    z-index: 0;
}

.step {
    text-align: center;
    position: relative;
    z-index: 1;
    flex: 0 1 200px;
    /* Flex basis de 200px, pode crescer mas não encolher */
    max-width: 250px;
    min-width: 180px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.step:hover .step-number {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Responsividade com Flexbox */
@media (max-width: 1024px) {
    .steps-container {
        gap: 40px;
    }

    .step {
        flex: 0 1 180px;
    }
}

@media (max-width: 768px) {
    .steps-container {
        flex-direction: column;
        align-items: center;
        gap: 40px;
        max-width: 400px;
    }

    .steps-container::before {
        display: none;
    }

    .step {
        flex: none;
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 480px) {
    .steps-container {
        gap: 30px;
        margin-top: 40px;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 20px;
        margin-bottom: 16px;
    }

    .step h3 {
        font-size: 1.1rem;
    }

    .step p {
        font-size: 0.9rem;
    }
}

/* Para garantir que em telas grandes os 5 itens fiquem bem distribuídos */
@media (min-width: 1200px) {
    .steps-container {
        gap: 80px;
    }

    .step {
        flex: 0 1 200px;
    }
}

/* Benefits Section */
.benefits {
    padding: 100px 20px;
    background: var(--white);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.benefits-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.benefits-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.7;
}

.benefits-list {
    margin-bottom: 40px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.benefit-item i {
    color: var(--success-color);
    font-size: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 30px 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
    padding: 80px 20px;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-section .cta-button {
    background: var(--white);
    color: #ffffff;
}

.cta-section .cta-button:hover {
    background: var(--bg-light);
}

/* Footer */
.footer {
    background: #ffffff;
    color: var(--white);
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #94a3b8;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    color: #94a3b8;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease-out;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease-out;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Gerador Section (seção faltante no HTML) */
#gerador {
    padding: 100px 20px;
    background: linear-gradient(135deg, #274487 0%, #000000 100%);
    min-height: 100vh;
}

.gerador-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.gerador-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.upload-area {
    border: 3px dashed #cbd5e1;
    border-radius: var(--border-radius);
    padding: 60px 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.02);
}

.upload-area.dragover {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.05);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 48px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.upload-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.upload-text p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.file-input {
    display: none;
}

.upload-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.form-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #e2e8f0;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.generate-section {
    margin-top: 40px;
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #e2e8f0;
}

.generate-btn {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: var(--white);
    border: none;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.generate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.result-section {
    margin-top: 40px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    display: none;
}

.result-section.show {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.result-header h3 {
    color: var(--text-dark);
    font-weight: 600;
}

.result-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.copy-btn {
    background: var(--primary-color);
    color: var(--white);
}

.download-btn {
    background: var(--success-color);
    color: var(--white);
}

.email-btn {
    background: var(--warning-color);
    color: var(--white);
}

.action-btn:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

.result-content {
    background: #f8fafc;
    padding: 25px;
    border-radius: var(--border-radius);
    border: 1px solid #e2e8f0;
    white-space: pre-wrap;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    max-height: 500px;
    overflow-y: auto;
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 90px;
    right: 20px;
    background: var(--white);
    padding: 16px 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--success-color);
    z-index: 1001;
    transform: translateX(400px);
    transition: var(--transition);
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left-color: var(--success-color);
}

.toast.error {
    border-left-color: #ef4444;
}

.toast.warning {
    border-left-color: var(--warning-color);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-icon {
    font-size: 18px;
}

.toast.success .toast-icon {
    color: var(--success-color);
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.warning .toast-icon {
    color: var(--warning-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .benefits-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }

    .steps-container::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .gerador-container {
        margin: 0 10px;
        padding: 30px 20px;
    }

    .result-actions {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 80px 15px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .cta-button {
        padding: 14px 24px;
        font-size: 16px;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .upload-area {
        padding: 40px 15px;
    }

    .upload-icon {
        font-size: 36px;
    }

    .toast {
        right: 10px;
        left: 10px;
        transform: translateY(-100px);
    }

    .toast.show {
        transform: translateY(0);
    }
}

/* Dark mode support (opcional) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-light: #0f172a;
        --white: #1e293b;
        --text-dark: var(--primary-color);
        --text-light: #94a3b8;
    }
}

/* Print styles */
@media print {

    .header,
    .footer,
    .cta-section,
    .mobile-menu-btn,
    .result-actions {
        display: none !important;
    }

    .main-content {
        margin-top: 0;
    }

    .result-content {
        max-height: none;
        overflow: visible;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

.loading-spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top: 4px solid #2563eb;
    /* Cor azul, pode mudar */
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Ajuste: melhorar contraste campos */
.form-group input,
.form-group textarea {
    background: #f1f5f9;
    color: #1e293b;
}

/* Ajuste: campo maquinário maior */
#maquinario {
    min-height: 100px;
    resize: vertical;
}

/* Pré-visualização do arquivo */
/* Estilos para o preview do PDF */
.pdf-preview-wrapper {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-top: 20px;
    border: 1px solid #e5e7eb;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
}

.preview-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #374151;
}

.preview-info i {
    color: #dc2626;
    font-size: 18px;
}

.preview-info span {
    font-weight: 600;
    font-size: 14px;
}

.preview-info small {
    color: #6b7280;
    font-size: 12px;
}

.close-preview-btn {
    background: none;
    border: none;
    color: #6b7280;
    font-size: 16px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.close-preview-btn:hover {
    background: #e5e7eb;
    color: #374151;
}

.pdf-iframe {
    background: #f3f4f6;
    display: block;
}

/* Fallback para quando o iframe não funciona */
.pdf-fallback {
    padding: 40px 20px;
    text-align: center;
    background: #f9fafb;
    border-top: 1px solid #e5e7eb;
}

.fallback-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: #6b7280;
}

.fallback-content i {
    font-size: 48px;
    color: #dc2626;
}

.fallback-content p {
    margin: 0;
    font-size: 16px;
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--primary-color, #3b82f6);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.download-link:hover {
    background: var(--primary-hover, #2563eb);
    transform: translateY(-1px);
}

/* Auth Pages Styles */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #274487 0%, #000000 100%);
    padding: 20px;
}

.auth-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.auth-logo {
    margin-bottom: 2rem;
}

.auth-logo img {
    height: 80px;
}

.auth-title {
    color: #000000;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.auth-subtitle {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    box-sizing: border-box;
    background: var(--bg-light);
    color: var(--text-dark);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.password-group {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 1rem;
}

.auth-btn {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.auth-btn:hover {
    transform: translateY(-2px);
}

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-divider {
    margin: 1.5rem 0;
    text-align: center;
    position: relative;
    color: #666;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e1e5e9;
}

.auth-divider span {
    background: white;
    padding: 0 1rem;
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-link:hover {
    text-decoration: underline;
}

.error-message,
.success-message {
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    display: none;
}

.error-message {
    background: #fee;
    color: #c53030;
}

.success-message {
    background: #f0fff4;
    color: #22543d;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.forgot-password:hover {
    text-decoration: underline;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 0.5rem;
}

.btn-loading {
    display: none;
}

.terms-checkbox {
    display: flex;
    align-items: flex-start;
    text-align: left;
    margin-bottom: 1.5rem;
}

.terms-checkbox input[type="checkbox"] {
    margin-right: 0.5rem;
    margin-top: 0.25rem;
}

.terms-checkbox label {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.4;
}

.auth-card p {
    color: black;
    /* preto */
}

/* Password Strength Styles */
.password-strength {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    text-align: left;
}

.strength-bar {
    height: 4px;
    background: #e1e5e9;
    border-radius: 2px;
    margin: 0.25rem 0;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    width: 0%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.strength-weak .strength-fill {
    width: 33%;
    background: #ef4444;
}

.strength-medium .strength-fill {
    width: 66%;
    background: #f59e0b;
}

.strength-strong .strength-fill {
    width: 100%;
    background: #10b981;
}

/* Form Validation Styles */
.form-validation {
    font-size: 0.8rem;
    margin-top: 0.25rem;
    color: #ef4444;
    display: none;
    text-align: left;
}

.form-validation.show {
    display: block;
}

.form-validation.valid {
    color: #10b981;
}

.form-input.valid {
    border-color: #10b981;
}

.form-input.invalid {
    border-color: #ef4444;
}

/* Melhor contraste para labels */
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    text-align: left;
}

/* Melhor contraste para texto "Não tem conta?" */
.auth-card p {
    color: #374151;
}

.success-message {
    background: #f0fff4;
    color: #22543d;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    display: none;
}

/* Email Modal Styles */
.email-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease-out;
}

.email-modal {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    animation: slideInUp 0.3s ease-out;
}

.email-modal-header {
    padding: 20px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.email-modal-header h3 {
    margin: 0;
    color: var(--text-dark);
    font-size: 1.2rem;
}

.email-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #64748b;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
}

.email-modal-close:hover {
    background: #f1f5f9;
    color: var(--text-dark);
}

.email-modal-body {
    padding: 20px;
}

.email-modal-footer {
    padding: 20px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.email-modal-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.email-modal-btn.cancel {
    background: #f1f5f9;
    color: #64748b;
}

.email-modal-btn.cancel:hover {
    background: #e2e8f0;
}

.email-modal-btn.send {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.email-modal-btn.send:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Melhorias na validação de campos */
.form-validation {
    font-size: 0.8rem;
    margin-top: 0.25rem;
    color: #ef4444;
    display: none;
    text-align: left;
    transition: all 0.3s ease;
    min-height: 1rem;
}

.form-validation.show {
    display: block;
    animation: slideDown 0.3s ease;
}

.form-validation.valid {
    color: #10b981;
}

.form-validation.loading {
    color: #6b7280;
    font-style: italic;
}

.form-validation.loading::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid #6b7280;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 6px;
}

/* Estados dos inputs */
.form-input.valid {
    border-color: #10b981;
    background-color: #f0fff4;
}

.form-input.invalid {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.form-input.loading {
    border-color: #6b7280;
    background-color: #f9fafb;
}

/* Ícones de status nos campos */
.form-group {
    position: relative;
}

.form-input.valid+.field-status {
    display: block;
    color: #10b981;
}

.form-input.invalid+.field-status {
    display: block;
    color: #ef4444;
}

.field-status {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: none;
    font-size: 16px;
    pointer-events: none;
}

/* Animações */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Melhorias nas mensagens de erro/sucesso */
.error-message,
.success-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    display: none;
    animation: slideDown 0.3s ease;
    position: relative;
}

.error-message {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.success-message {
    background: #f0fff4;
    color: #059669;
    border: 1px solid #a7f3d0;
}

.error-message::before {
    content: '⚠️';
    margin-right: 8px;
}

.success-message::before {
    content: '✅';
    margin-right: 8px;
}

/* Loading melhorado */
.btn-loading {
    display: none;
    align-items: center;
    gap: 8px;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Feedback visual para campos sendo verificados */
.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Tooltip para ajuda */
.field-help {
    position: relative;
    display: inline-block;
    margin-left: 5px;
    color: #6b7280;
    cursor: help;
}

.field-help:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
}

.field-help:hover::before {
    content: '';
    position: absolute;
    bottom: 115%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1f2937;
    z-index: 1000;
}

.generation-status {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.status-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f1f5f9;
    border-radius: 20px;
    color: #64748b;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.status-step.active {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    transform: scale(1.05);
}

.status-step.completed {
    background: #10b981;
    color: white;
}

.status-step i {
    font-size: 1rem;
}

/* Estilos para drag and drop */
.drag-handle {
    cursor: move;
    color: #94a3b8;
    padding: 5px;
    margin-right: 10px;
    transition: color 0.2s;
}

.drag-handle:hover {
    color: #475569;
}

.measurement-item {
    padding-bottom: 20px; 
    position: relative;
    margin-bottom: 20px; 
}

.measurement-item.sortable-ghost {
    opacity: 0.4;
    background: #e0f2fe !important;
    border-color: #38bdf8 !important;
}

.measurement-item.sortable-chosen {
    background: #f8fafc;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.measurement-item.sortable-drag {
    opacity: 0;
}

.measurement-number {
    font-weight: 600;
    color: #1e40af;
    min-width: 80px;
    display: inline-block;
}

.measurement-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

/* Estilos consistentes para todos os inputs do modal de medidas */
.measurement-item select,
.measurement-item input[type="text"],
.measurement-item textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s ease;
    background-color: #ffffff;
    color: #1e293b;
}

.measurement-item select:hover,
.measurement-item input[type="text"]:hover,
.measurement-item textarea:hover {
    border-color: #cbd5e1;
}

.measurement-item select:focus,
.measurement-item input[type="text"]:focus,
.measurement-item textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Estilo específico para o select */
.measurement-item select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Estilo para textarea */
.measurement-item textarea {
    resize: vertical;
    min-height: 60px;
    line-height: 1.5;
}

/* Labels com estilo consistente */
.measurement-item .input-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: #475569;
}

/* Grupos de input com espaçamento adequado */
.measurement-item .input-group {
    margin-bottom: 16px;
}

.measurement-item .input-group:last-child {
    margin-bottom: 0;
}

/* Placeholder com cor mais suave */
.measurement-item input::placeholder,
.measurement-item textarea::placeholder {
    color: #94a3b8;
}

/* Remover estilos padrão do browser para select no Firefox */
.measurement-item select:-moz-focusring {
    color: transparent;
    text-shadow: 0 0 0 #1e293b;
}

/* Ajuste para o container de inputs */
.measurement-inputs {
    flex: 1;
    padding: 0 15px;
}

/* Estilo para o botão de remover medida */
.btn-remove-measurement {
    position: relative; 
    margin-top: 15px; 
    margin-left: 0; 
    background: #ffffff;
    border: 1px solid #e2e8f0;
    color: #64748b;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: auto; /* Largura automática */
}

.btn-remove-measurement:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
    transform: translateY(-1px);
}

.measurement-inputs .input-group:last-child {
    margin-bottom: 0;
}

.btn-remove-measurement i {
    font-size: 12px;
}

/* Ajuste na posição do botão para melhor alinhamento */
.measurement-item {
    padding-bottom: 20px; /* Espaço para o botão */
    position: relative;
}

/* Indicadores visuais de zona de scroll */
.measurements-grid {
    position: relative;
    scroll-behavior: auto; /* Importante para o auto-scroll funcionar bem */
}

/* Gradientes para indicar que há mais conteúdo */
.measurements-grid::before,
.measurements-grid::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 30px;
    pointer-events: none;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.measurements-grid::before {
    top: 0;
    background: linear-gradient(to bottom, rgba(255,255,255,1), rgba(255,255,255,0));
}

.measurements-grid::after {
    bottom: 0;
    background: linear-gradient(to top, rgba(255,255,255,1), rgba(255,255,255,0));
}

/* Mostrar gradientes quando há scroll */
.measurements-grid.has-scroll-top::before {
    opacity: 1;
}

.measurements-grid.has-scroll-bottom::after {
    opacity: 1;
}

/* Estilo para opção de adicionar máquina */
.machine-select option.add-machine-option {
    font-weight: 600;
    color: #2563eb;
    border-top: 1px solid #e2e8f0;
    padding-top: 8px;
    margin-top: 8px;
}

/* Botão de adicionar máquina inline */
.btn-add-machine-inline {
    margin-top: 8px;
    background: #f0f9ff;
    border: 1px dashed #3b82f6;
    color: #3b82f6;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    justify-content: center;
}

.btn-add-machine-inline:hover {
    background: #e0f2fe;
    border-style: solid;
    transform: translateY(-1px);
}

.btn-add-machine-inline i {
    font-size: 12px;
}

/* Estilo para select de acessórios */
.accessory-select:disabled {
    background-color: #f8fafc;
    cursor: not-allowed;
    opacity: 0.7;
}

.ai-suggestion-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: #8b5cf6;
    background: #f3e8ff;
    padding: 2px 8px;
    border-radius: 4px;
    margin-top: 4px;
}

.ai-suggestion-badge i {
    font-size: 10px;
}

/* ========================================
   ESTILOS PARA CARDS COLAPSÁVEIS
   ======================================== */

/* Header do card sempre visível */
.measurement-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 30px;
    margin-bottom: 0;
}

/* Seta de expansão/colapso */
.expand-arrow {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    transition: transform 0.3s ease, color 0.2s ease;
    pointer-events: none;
}

.expand-arrow i {
    font-size: 14px;
}

/* Quando expandido, rotaciona a seta */
.measurement-item.expanded .expand-arrow {
    transform: translateY(-50%) rotate(180deg);
    color: #3b82f6;
}

/* Container colapsável */
.measurement-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
}

/* Quando expandido, mostra o conteúdo */
.measurement-item.expanded .measurement-content {
    max-height: 1000px;
    opacity: 1;
    margin-top: 15px;
}

/* Linha de resumo visível quando colapsado */
.measurement-summary {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
    min-width: 0;
}

.measurement-value-preview {
    font-weight: 600;
    color: #1e40af;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

/* Hover effect no header */
.measurement-header:hover .expand-arrow {
    color: #3b82f6;
}

/* Visual feedback durante hover */
.measurement-item:not(.expanded):hover {
    background: #f1f5f9;
}

.measurement-item.expanded:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

/* Badge de sugestão da IA */
.ai-suggestion-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: #8b5cf6;
    background: #f3e8ff;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
}

.ai-suggestion-badge i {
    font-size: 10px;
}

/* Estilo para select de acessórios desabilitado */
.accessory-select:disabled {
    background-color: #f8fafc;
    cursor: not-allowed;
    opacity: 0.7;
}

/* Responsividade */
@media (max-width: 768px) {
    .pdf-iframe {
        height: 400px;
    }

    .preview-header {
        padding: 12px 16px;
    }

    .preview-info span {
        font-size: 13px;
    }

    .preview-info small {
        display: none;
    }
}