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

:root {
    /* Paleta de cores Deepzo */
    --primary-bg: #0F2530;
    --accent-orange: #F2542D;
    --light-bg: #F5F7FA;
    --border-color: #E2E8F0;
    --text-primary: #0B1A22;
    --card-border: #163341;
    --text-light: #F5F7FA;
    --error-color: #EF4444;
    --success-color: #10B981;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-h1: clamp(24px, 5vw, 32px);
    --font-size-subtitle: clamp(14px, 3vw, 18px);
    --font-size-body: 16px;
    --font-size-small: 14px;
    
    /* Espaçamentos */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 20px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 40px;
    
    /* Bordas */
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--primary-bg) 0%, #1a3a47 100%);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
}

.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding: var(--spacing-lg) var(--spacing-md);
    border-bottom: 1px solid var(--card-border);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 24px;
    filter: hue-rotate(15deg);
}

.header-title {
    font-size: var(--font-size-body);
    font-weight: 600;
    color: var(--text-light);
}

/* Main content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.container {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
}

/* Card */
.card {
    background: linear-gradient(145deg, var(--primary-bg) 0%, rgba(15, 37, 48, 0.95) 100%);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
}

.card-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.title {
    font-size: var(--font-size-h1);
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    line-height: 1.2;
}

.fox-icon {
    font-size: 0.8em;
    filter: hue-rotate(15deg);
}

.subtitle {
    font-size: var(--font-size-subtitle);
    color: rgba(245, 247, 250, 0.8);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.benefit {
    font-size: var(--font-size-body);
    color: var(--accent-orange);
    font-weight: 500;
    padding: var(--spacing-md);
    background: rgba(242, 84, 45, 0.1);
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--accent-orange);
}

/* Form */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-select {
    height: 48px;
    padding: 0 var(--spacing-md);
    background: rgba(245, 247, 250, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-light);
    font-size: var(--font-size-body);
    font-family: var(--font-family);
    transition: all 0.2s ease;
    outline: none;
}

.form-input::placeholder {
    color: rgba(245, 247, 250, 0.5);
}

.form-input:focus,
.form-select:focus {
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px rgba(242, 84, 45, 0.1);
    background: rgba(245, 247, 250, 0.08);
}

.form-input.error,
.form-select.error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23F5F7FA' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

.form-select option {
    background: var(--primary-bg);
    color: var(--text-light);
}

/* Checkbox */
.checkbox-group {
    margin: var(--spacing-md) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-small);
    line-height: 1.5;
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-input:checked + .checkbox-custom {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-input:focus + .checkbox-custom {
    outline: 2px solid var(--accent-orange);
    outline-offset: 2px;
}

.checkbox-text {
    color: rgba(245, 247, 250, 0.8);
}

/* Submit button */
.submit-button {
    height: 48px;
    background: var(--accent-orange);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-body);
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    outline: none;
    position: relative;
    overflow: hidden;
}

.submit-button:hover:not(:disabled) {
    background: #e04527;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(242, 84, 45, 0.3);
}

.submit-button:focus {
    outline: 2px solid var(--accent-orange);
    outline-offset: 2px;
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error messages */
.error-message {
    font-size: var(--font-size-small);
    color: var(--error-color);
    margin-top: var(--spacing-xs);
    min-height: 20px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.error-message:empty {
    display: none;
}

.error-message::before {
    content: '⚠';
    font-size: 12px;
}

/* Footer */
.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid var(--card-border);
    margin-top: auto;
}

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

.privacy-notice {
    font-size: var(--font-size-small);
    color: rgba(245, 247, 250, 0.6);
    line-height: 1.5;
}

/* Toast notification */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 1000;
    max-width: 400px;
    border-left: 4px solid var(--success-color);
}

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

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

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.toast-message {
    color: var(--text-primary);
    font-size: var(--font-size-small);
    font-weight: 500;
}

/* Responsive design */
@media (max-width: 480px) {
    .card {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }
    
    .title {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .fox-icon {
        font-size: 1.2em;
    }
    
    .header {
        padding: var(--spacing-md);
    }
    
    .main-content {
        padding: var(--spacing-lg) 0;
    }
    
    .toast {
        right: 10px;
        left: 10px;
        max-width: none;
        transform: translateY(-100px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
}

@media (min-width: 768px) {
    .card {
        padding: var(--spacing-3xl);
    }
    
    .header {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .main-content {
        padding: var(--spacing-3xl) var(--spacing-lg);
    }
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border-width: 2px;
    }
    
    .form-input,
    .form-select {
        border-width: 2px;
    }
    
    .submit-button:focus,
    .form-input:focus,
    .form-select:focus,
    .checkbox-input:focus + .checkbox-custom {
        outline-width: 3px;
    }
}