/**
 * manaForm - Material Design 3 Styles
 * Responsive form styling with modern design
 */

:root {
    /* Material Design 3 Color Palette */
    --md-primary: #ba1359;
    --md-primary-dark: #9a0f49;
    --md-primary-light: #d41f6c;
    --md-secondary: #424242;
    --md-error: #d32f2f;
    --md-success: #388e3c;
    --md-background: #f5f5f5;
    --md-surface: #ffffff;
    --md-on-surface: #1c1b1f;
    --md-on-surface-variant: #49454f;
    --md-outline: #79747e;
    --md-shadow: rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 28px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--md-on-surface);
    background: var(--md-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Page Container */
.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%), 
                url('../assets/background.jpg') center/cover no-repeat;
    background-attachment: fixed;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    align-self: flex-end;
}

/* Form Header Logo (inside container) */
.form-header-logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid rgba(186, 19, 89, 0.1);
}

.logo-image {
    max-width: 200px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.lang-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.lang-btn.active {
    background: white;
    color: var(--md-primary);
    box-shadow: 0 4px 12px var(--md-shadow);
}

/* Form Container */
.form-container {
    width: 100%;
    max-width: 700px;
    background: var(--md-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* Form Title */
.form-title {
    font-size: 28px;
    font-weight: 500;
    color: var(--md-on-surface);
    margin: 0 0 var(--spacing-lg) 0;
    text-align: center;
    line-height: 1.3;
}

.embed-mode .form-title {
    font-size: 24px;
    margin-bottom: var(--spacing-md);
}

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

/* Form Row (for fields side by side) */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

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

.field-label {
    font-weight: 500;
    font-size: 14px;
    color: var(--md-on-surface);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.field-requirement {
    font-size: 12px;
    font-weight: 400;
}

.field-requirement.required {
    color: var(--md-error);
}

.field-requirement.optional {
    color: var(--md-on-surface-variant);
}

/* Form Input */
.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    color: var(--md-on-surface);
    background: #fafafa;
    border: 1px solid #d0d0d0;
    border-radius: 8px;
    transition: all var(--transition-normal);
    outline: none;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}

.form-input:focus {
    background: #ffffff;
    border-color: var(--md-primary);
    box-shadow: 0 0 0 3px rgba(186, 19, 89, 0.1);
}

.form-input:hover:not(:focus) {
    border-color: #b0b0b0;
    background: #ffffff;
}

.form-input.error {
    border-color: var(--md-error);
}

.form-input.error:focus {
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

/* Field Error */
.field-error {
    display: none;
    font-size: 12px;
    color: var(--md-error);
    margin-top: -4px;
}

.field-error:not(:empty) {
    display: block;
}

/* Radio Group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px 0;
}

.radio-label {
    display: flex;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--md-outline);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--md-surface);
}

.radio-label:hover {
    border-color: var(--md-primary);
    background: rgba(186, 19, 89, 0.05);
}

.radio-label input[type="radio"] {
    margin-right: 12px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--md-primary);
}

.radio-label span {
    flex: 1;
    color: var(--md-on-surface);
    font-size: 14px;
    line-height: 1.4;
}

.radio-label input[type="radio"]:checked + span {
    font-weight: 500;
    color: var(--md-primary);
}

/* Consents Section */
.consents-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(186, 19, 89, 0.05);
    border-radius: var(--radius-md);
}

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

.consent-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.consent-label:hover {
    background: rgba(0, 0, 0, 0.03);
}

.consent-checkbox {
    margin-top: 2px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--md-primary);
}

.consent-text {
    flex: 1;
    font-size: 14px;
    line-height: 1.6;
}

.consent-required {
    color: var(--md-error);
    font-weight: 700;
}

/* GDPR Section */
.gdpr-section {
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--md-primary);
    margin-top: var(--spacing-lg);
}

.gdpr-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--md-on-surface);
}

.gdpr-content {
    font-size: 13px;
    line-height: 1.7;
    color: var(--md-on-surface-variant);
    max-height: 120px;
    overflow: hidden;
    position: relative;
    transition: max-height var(--transition-normal);
}

.gdpr-content.expanded {
    max-height: none;
}

.gdpr-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.95));
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.gdpr-content.expanded::after {
    opacity: 0;
    display: none;
}

.gdpr-content p {
    margin-bottom: var(--spacing-sm);
}

.gdpr-content strong {
    color: var(--md-on-surface);
}

.gdpr-content ul,
.gdpr-content ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

/* GDPR Toggle Button */
.gdpr-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) auto 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    color: var(--md-primary);
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
    position: relative;
    z-index: 10;
}

.gdpr-toggle:hover {
    background: rgba(186, 19, 89, 0.08);
}

.gdpr-toggle .material-icons {
    font-size: 20px;
    transition: transform var(--transition-normal);
}

.gdpr-toggle.expanded .material-icons {
    transform: rotate(180deg);
}

/* Submit Button */
.submit-button {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    color: white;
    background: var(--md-primary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 8px rgba(186, 19, 89, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.submit-button:hover:not(:disabled) {
    background: var(--md-primary-dark);
    box-shadow: 0 4px 16px rgba(186, 19, 89, 0.4);
    transform: translateY(-2px);
}

.submit-button:active:not(:disabled) {
    transform: translateY(0);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert .material-icons {
    font-size: 24px;
}

.alert-success {
    background: rgba(56, 142, 60, 0.1);
    color: var(--md-success);
    border: 1px solid rgba(56, 142, 60, 0.3);
}

.alert-error {
    background: rgba(211, 47, 47, 0.1);
    color: var(--md-error);
    border: 1px solid rgba(211, 47, 47, 0.3);
}

.alert strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 16px;
}

.alert p {
    font-size: 14px;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-container {
        padding: var(--spacing-md);
    }
    
    .form-container {
        padding: var(--spacing-lg);
    }
    
    .logo-image {
        max-width: 150px;
    }
    
    .language-switcher {
        align-self: center;
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: var(--spacing-md);
    }
    
    .logo-image {
        max-width: 120px;
    }
}

/* Focus Visible (Accessibility) */
*:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .form-input {
        border-width: 3px;
    }
    
    .submit-button {
        border: 2px solid white;
    }
}

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