/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #f8fafc;
    --accent-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    position: relative;
}

.background-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.logo i {
    font-size: 1.75rem;
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Container principal */
.main-container {
    padding: 2rem 1rem;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 800px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Cabeçalho do formulário */
.form-header {
    background: var(--gradient-primary);
    color: white;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
}

.form-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: white;
    border-radius: 20px 20px 0 0;
}

.form-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.form-header h1 i {
    font-size: 1.75rem;
}

.form-header p {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Formulário */
.maintenance-form {
    padding: 2rem;
}

.form-section {
    margin-bottom: 2.5rem;
}

.form-section h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.form-section h3 i {
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

label i {
    color: var(--primary-color);
    width: 16px;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
}

input[type="text"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.field-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Botões de gravidade */
.severity-label {
    margin-bottom: 1rem;
}

.severity-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.severity-btn {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.severity-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.severity-btn:hover::before {
    left: 100%;
}

.severity-btn i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.severity-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.severity-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.severity-low {
    border-color: var(--accent-color);
}

.severity-low i {
    color: var(--accent-color);
}

.severity-low.selected {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.severity-medium {
    border-color: var(--warning-color);
}

.severity-medium i {
    color: var(--warning-color);
}

.severity-medium.selected {
    background: var(--warning-color);
    color: white;
    border-color: var(--warning-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.severity-high {
    border-color: var(--danger-color);
}

.severity-high i {
    color: var(--danger-color);
}

.severity-high.selected {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Upload de arquivo */
.file-upload-box {
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(248, 250, 252, 0.5);
    position: relative;
    overflow: hidden;
}

.file-upload-box:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    transform: translateY(-2px);
}

.upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.7;
}

.upload-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.upload-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.upload-text span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

#previewFoto {
    max-width: 100%;
    max-height: 300px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-top: 1rem;
}

/* Botão de envio */
.submit-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 16px;
    padding: 1.25rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

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

.btn-loading {
    display: none;
}

.submit-btn.loading .btn-loading {
    display: block;
}

.submit-btn.loading span,
.submit-btn.loading > i {
    display: none;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: auto;
}

.footer-content p {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Modal de sucesso */
.success-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.success-modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    max-width: 400px;
    margin: 1rem;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.success-modal.show .modal-content {
    transform: scale(1);
}

.modal-icon {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.modal-content h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.modal-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-btn:hover {
    background: #059669;
    transform: translateY(-1px);
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-section {
    animation: fadeInUp 0.6s ease forwards;
}

.form-section:nth-child(2) {
    animation-delay: 0.1s;
}

.form-section:nth-child(3) {
    animation-delay: 0.2s;
}

.form-section:nth-child(4) {
    animation-delay: 0.3s;
}

/* Responsividade */
@media (max-width: 768px) {
    .main-container {
        padding: 1rem;
    }
    
    .container {
        border-radius: 16px;
    }
    
    .form-header {
        padding: 2rem 1.5rem;
    }
    
    .form-header h1 {
        font-size: 1.5rem;
    }
    
    .maintenance-form {
        padding: 1.5rem;
    }
    
    .severity-options {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        padding: 0 1rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .form-header h1 {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .severity-btn {
        padding: 1rem;
    }
    
    .upload-icon {
        font-size: 2rem;
    }
}