@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Cores baseadas no site forentrace.crlchain.com */
    --primary-color: #4F46E5; /* Azul principal */
    --primary-hover: #4338CA;
    --secondary-color: #6B7280; /* Cinza */
    --success-color: #10B981; /* Verde */
    --success-hover: #059669;
    --warning-color: #F59E0B; /* Amarelo */
    --danger-color: #EF4444; /* Vermelho */
    --copy-color: #8B5CF6; /* Roxo para botão copiar */
    
    /* Background e superfícies */
    --bg-primary: #0F172A; /* Azul escuro principal */
    --bg-secondary: #1E293B; /* Azul escuro secundário */
    --bg-card: rgba(30, 41, 59, 0.8); /* Card com transparência */
    --bg-glass: rgba(255, 255, 255, 0.05); /* Efeito glass */
    
    /* Texto */
    --text-primary: #F8FAFC; /* Branco */
    --text-secondary: #CBD5E1; /* Cinza claro */
    --text-muted: #94A3B8; /* Cinza médio */
    
    /* Bordas */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-focus: var(--primary-color);
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Outros */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding: 40px 0;
    text-align: center;
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    justify-content: center;
    transition: var(--transition);
}

.logo-section:hover {
    transform: translateY(-2px);
}

.header-icon {
    width: 40px;
    height: 40px;
    color: var(--primary-color);
    filter: drop-shadow(0 4px 8px rgba(79, 70, 229, 0.3));
    transition: var(--transition);
}

.logo-section:hover .header-icon {
    color: var(--primary-hover);
    transform: scale(1.05);
}

h1 {
    font-size: 1.875rem; /* 30px - reduzido conforme solicitado */
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    transition: var(--transition);
}

.logo-section:hover h1 {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    gap: 12px;
    position: absolute;
    right: 0;
}

.icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* Steps */
.steps-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
    min-width: 200px;
}

.step.active {
    border-color: var(--primary-color);
    background: rgba(79, 70, 229, 0.1);
}

.step.completed {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--secondary-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.step.active .step-number {
    background: var(--primary-color);
}

.step.completed .step-number {
    background: var(--success-color);
}

.step-content h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.step-content p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
}

.step-divider {
    width: 40px;
    height: 2px;
    background: var(--border-color);
    border-radius: 1px;
}

/* Form Card */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
}

.form-section {
    margin-bottom: 32px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.file-input-wrapper {
    position: relative;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-input-display {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    background: var(--bg-glass);
    cursor: pointer;
}

.file-input-display:hover {
    border-color: var(--primary-color);
    background: rgba(79, 70, 229, 0.05);
}

.file-input-display.has-file {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.05);
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.file-input-display span {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.file-input-display small {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    min-width: 160px;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-icon {
    width: 16px;
    height: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--success-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

/* Botão de sucesso (verde) */
.btn-success {
    background: linear-gradient(135deg, var(--success-color), var(--success-hover));
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

/* Botão de copiar (roxo) */
.btn-copy {
    background: linear-gradient(135deg, var(--copy-color), #7C3AED);
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
    min-width: auto;
    padding: 8px 16px;
    font-size: 0.8rem;
}

.btn-copy:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4);
}

/* Progress Section */
.progress-section {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 24px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.progress-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.progress-stats {
    display: flex;
    gap: 16px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

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

.progress-status {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Preview Section */
.preview-section {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 24px;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    gap: 16px;
}

.preview-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex-shrink: 0;
}

.preview-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.preview-stats {
    display: flex;
    gap: 16px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.preview-content {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    font-size: 0.9rem;
    line-height: 1.7;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-secondary);
    text-align: justify;
    font-family: 'Inter', sans-serif;
}

.preview-content:empty::before {
    content: 'O texto convertido aparecerá aqui...';
    color: var(--text-muted);
    font-style: italic;
}

/* AI Analysis Section */
.ai-analysis-section {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 24px;
}

.analysis-header {
    margin-bottom: 20px;
}

.analysis-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.analysis-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0 0 16px 0;
}

.analysis-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.analysis-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-glass);
    cursor: pointer;
    transition: var(--transition);
}

.analysis-option:hover {
    border-color: var(--primary-color);
    background: rgba(79, 70, 229, 0.05);
}

.analysis-option input[type="radio"] {
    margin: 0;
    accent-color: var(--primary-color);
}

.analysis-option span {
    font-weight: 500;
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
}

.analysis-option small {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
}

.analysis-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.analysis-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: 'Inter', sans-serif;
    resize: vertical;
    min-height: 80px;
    transition: var(--transition);
}

.analysis-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.analysis-input::placeholder {
    color: var(--text-muted);
}

.analysis-progress {
    margin-bottom: 20px;
}

.analysis-result {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.analysis-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.analysis-result-header h5 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.analysis-content {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    font-size: 0.875rem;
    line-height: 1.6;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-secondary);
    text-align: justify;
}

/* Audio Parts */
.audio-parts-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.audio-part {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.audio-part audio {
    width: 100%;
    margin-bottom: 16px;
    border-radius: 8px;
}

.audio-part .btn {
    width: 100%;
    margin-bottom: 16px;
}

.transcription-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    font-size: 0.875rem;
    line-height: 1.6;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    margin-top: auto;
    padding: 32px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
}

/* Popups */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: var(--transition);
}

.popup-overlay.show .popup-content {
    transform: scale(1);
}

.popup-header {
    padding: 24px 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.popup-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.close-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--bg-glass);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.close-btn:hover {
    background: var(--danger-color);
    color: white;
}

.popup-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 60vh;
}

.popup-footer {
    padding: 0 24px 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Config Section */
.config-section {
    margin-bottom: 24px;
}

.config-section label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input[readonly] {
    cursor: pointer;
}

.config-section small {
    display: block;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Terms Popup */
.terms-popup {
    max-width: 600px;
}

.terms-content {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 24px;
}

.terms-content h3 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin: 24px 0 12px 0;
}

.terms-content h3:first-child {
    margin-top: 0;
}

.terms-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.terms-content ul {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 16px;
    padding-left: 20px;
}

.terms-content li {
    margin-bottom: 8px;
}

.terms-acceptance {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-glass);
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive - Melhorado para mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .header {
        padding: 24px 0;
    }
    
    .header-content {
        flex-direction: column;
        gap: 16px;
        position: relative;
    }
    
    .header-actions {
        position: static;
        right: auto;
        justify-content: center;
    }
    
    .logo-section {
        justify-content: center;
    }
    
    h1 {
        font-size: 1.5rem;
        text-align: center;
    }
    
    .subtitle {
        font-size: 1rem;
        text-align: center;
    }
    
    .main-content {
        gap: 24px;
    }
    
    .steps-container {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 24px;
    }
    
    .step {
        min-width: auto;
        width: 100%;
        max-width: 320px;
        padding: 12px 16px;
    }
    
    .step-divider {
        width: 2px;
        height: 20px;
        transform: rotate(90deg);
    }
    
    .form-card {
        padding: 24px 20px;
    }
    
    .form-section {
        margin-bottom: 24px;
    }
    
    .file-input-display {
        padding: 24px 16px;
    }
    
    .upload-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 12px;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        padding: 14px 24px;
    }
    
    .progress-header, .preview-header {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        align-items: center;
    }
    
    .preview-actions {
        align-items: center;
    }
    
    .progress-stats, .preview-stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .preview-content {
        max-height: 250px;
        font-size: 0.85rem;
    }
    
    .analysis-input-group {
        flex-direction: column;
    }
    
    .analysis-result-header {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    
    .analysis-options {
        gap: 8px;
    }
    
    .analysis-option {
        padding: 10px;
    }
    
    .popup-content {
        width: 95%;
        max-width: none;
        margin: 20px;
    }
    
    .popup-header {
        padding: 20px 20px 0;
    }
    
    .popup-body {
        padding: 20px;
    }
    
    .popup-footer {
        padding: 0 20px 20px;
        flex-direction: column-reverse;
        gap: 8px;
    }
    
    .popup-footer .btn {
        width: 100%;
    }
    
    .terms-popup {
        max-width: none;
    }
    
    .terms-content {
        max-height: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    h1 {
        font-size: 1.375rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .header-icon {
        width: 36px;
        height: 36px;
    }
    
    .icon-btn {
        width: 40px;
        height: 40px;
    }
    
    .icon-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .form-card {
        padding: 20px 16px;
    }
    
    .file-input-display {
        padding: 20px 12px;
    }
    
    .file-input-display span {
        font-size: 0.9rem;
    }
    
    .file-input-display small {
        font-size: 0.7rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.8rem;
    }
    
    .step {
        padding: 10px 12px;
    }
    
    .step-content h3 {
        font-size: 0.8rem;
    }
    
    .step-content p {
        font-size: 0.7rem;
    }
    
    .preview-content {
        max-height: 200px;
        font-size: 0.8rem;
        padding: 16px;
    }
    
    .popup-content {
        margin: 10px;
    }
    
    .popup-header h2 {
        font-size: 1.1rem;
    }
}