/* CSS Variables */
:root {
    --primary-blue: #667eea;
    --primary-red: #dc2626;
    --primary-dark: #0f172a;
    --text-dark: #1e293b;
    --text-light: #64748b;
}

/* Simple Signup Form Styles */
.signup-main {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 20px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.signup-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* Hero Section */
.signup-hero {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    background: linear-gradient(135deg, #ffeaa7, #fab1a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    opacity: 1;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.benefit-icon {
    font-size: 1.5rem;
}

.benefit-text {
    font-weight: 500;
}

/* Form Container */
.signup-form-container {
    display: flex;
    justify-content: center;
}

.signup-form-card {
    background: white;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 480px;
}

.form-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.form-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Simple Form Styles */
.simple-signup-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-label {
    font-weight: 500;
    color: var(--primary-dark);
    font-size: 0.95rem;
}

.form-input {
    padding: 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input.error {
    border-color: var(--primary-red);
    background: #fef2f2;
}

/* Consent Group */
.consent-group {
    margin: 0.5rem 0;
}

.consent-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    line-height: 1.5;
    color: var(--text-dark);
}

.consent-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all 0.3s ease;
}

.consent-label input:checked ~ .checkmark {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
}

.consent-label input:checked ~ .checkmark::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Submit Button */
.submit-btn {
    background: linear-gradient(135deg, var(--primary-blue), #667eea);
    color: white;
    border: none;
    padding: 1.25rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

.submit-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Form Note */
.form-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 1rem;
}

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

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

/* Trust Indicators */
.trust-indicators {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
    gap: 1rem;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.trust-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.trust-text {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Enhanced Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    padding: 20px;
}

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

.modal-content {
    background: white;
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transform: scale(0.8) translateY(40px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.modal-overlay.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-purple));
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: bounceIn 0.6s ease-out 0.3s both;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

.modal-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-message {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 32px;
}

.modal-message strong {
    color: var(--primary-blue);
    font-weight: 600;
}

.modal-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.modal-btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.modal-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.modal-btn.primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    color: white;
    box-shadow: 0 4px 16px rgba(103, 126, 234, 0.3);
}

.modal-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(103, 126, 234, 0.4);
}

.modal-btn.secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.modal-btn.secondary:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
}

/* Error Message */
.error-message {
    color: var(--primary-red);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .signup-container {
        grid-template-columns: 1fr;
        gap: 40px;
        display: flex;
        flex-direction: column;
    }
    
    .signup-form-container {
        order: 1;
        margin-bottom: 20px;
    }
    
    .signup-hero {
        order: 2;
    }

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

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

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .signup-form-card {
        padding: 2rem;
        margin: 0 10px;
    }

    .trust-indicators {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .modal-content {
        margin: 20px;
        padding: 2rem;
        max-width: calc(100vw - 40px);
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-message {
        font-size: 1rem;
    }

    .modal-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .modal-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .signup-main {
        padding: 100px 15px 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .signup-form-card {
        padding: 1.5rem;
    }
    
    .form-title {
        font-size: 1.5rem;
    }
}

/* Print styles */
@media print {
    .signup-main,
    .modal-overlay {
        display: none;
    }
}

/* Personalization Modal Styles */
.personalization-modal {
    z-index: 10000;
}

.personalization-content {
    max-width: 700px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 0;
    border-radius: 20px;
}

.modal-header {
    padding: 32px 32px 20px;
    border-bottom: 1px solid #eee;
    position: relative;
}

.modal-subtitle {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 8px 0 0;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--medium-gray);
}

.modal-close:hover {
    background: var(--primary-red);
    color: white;
}

/* Form Steps */
.personalization-form {
    position: relative;
    padding: 20px 32px 32px;
}

.step {
    display: none;
}

.step.active {
    display: block;
    animation: fadeInUp 0.3s ease;
}

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

.step-header {
    text-align: center;
    margin-bottom: 30px;
}

.step-title {
    color: var(--navy-blue);
    font-size: 1.4rem;
    margin: 0 0 8px;
    font-weight: 600;
}

.step-subtitle {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin: 0;
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--navy-blue);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

/* Required field asterisk styling */
.form-label:has(~ input[required])::after,
.form-label:contains("*")::after {
    content: " *";
    color: var(--primary-red);
    font-weight: bold;
}

/* Alternative approach for asterisk styling */
.form-label {
    position: relative;
}

.form-label[data-required="true"]::after {
    content: " *";
    color: var(--primary-red);
    font-weight: bold;
}

.form-input,
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: all var(--transition-base);
    background: white;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

/* Disabled form elements styling */
.form-input:disabled,
.form-select:disabled {
    background: #f5f5f5;
    color: #999;
    cursor: not-allowed;
    border-color: #ddd;
}

/* Location group disabled state */
.form-group[style*="opacity: 0.5"] {
    transition: all 0.3s ease;
}

.form-group[style*="opacity: 0.5"] .form-label {
    color: #999;
    font-style: italic;
}

.form-group[style*="opacity: 0.5"] .form-select {
    background: #f5f5f5;
    color: #999;
    border-color: #ddd;
}

/* Interest Cards Grid */
.interests-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .interests-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.interest-card {
    cursor: pointer;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-base);
    background: white;
    position: relative;
}

.interest-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.interest-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.interest-card input[type="checkbox"]:checked + .card-content {
    background: var(--gradient-primary);
    color: white;
}

.interest-card input[type="checkbox"]:checked + .card-content .card-emoji {
    transform: scale(1.2);
}

.card-content {
    padding: 20px 16px;
    text-align: center;
    transition: all var(--transition-base);
}

.card-emoji {
    font-size: 2rem;
    margin-bottom: 8px;
    display: block;
    transition: transform var(--transition-base);
}

.card-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--navy-blue);
}

.interest-card input[type="checkbox"]:checked + .card-content .card-title {
    color: white;
}

.card-description {
    font-size: 0.8rem;
    color: var(--medium-gray);
    line-height: 1.4;
}

.interest-card input[type="checkbox"]:checked + .card-content .card-description {
    color: rgba(255, 255, 255, 0.9);
}

/* Preferences Section */
.preferences-section {
    margin-bottom: 30px;
}

.section-title {
    font-size: 1.1rem;
    color: var(--navy-blue);
    margin-bottom: 16px;
    font-weight: 600;
}

.preferences-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 768px) {
    .preferences-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.preference-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-base);
    background: white;
}

.preference-item:hover {
    border-color: var(--primary-blue);
    background: var(--light-gray);
}

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

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-light);
    border-radius: 4px;
    position: relative;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.preference-item input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--gradient-primary);
    border-color: var(--primary-blue);
}

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

.preference-label {
    font-weight: 500;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* Step Actions */
.step-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 30px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: var(--light-gray);
    color: var(--dark-gray);
}

.btn-secondary:hover {
    background: var(--medium-gray);
    color: white;
}

.submit-personalization {
    min-width: 180px;
}

.submit-personalization.loading {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Progress Bar */
.progress-bar {
    position: relative;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.progress-fill {
    position: absolute;
    top: 20px;
    left: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 33.33%;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.progress-step {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--medium-gray);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.progress-step.active {
    background: var(--gradient-primary);
    color: white;
    border-color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.progress-step.completed {
    background: var(--success-green);
    color: white;
}

/* Responsive Design */
@media (max-width: 767px) {
    .personalization-content {
        width: 100%;
        height: 100vh;
        max-height: none;
        border-radius: 0;
        margin: 0;
    }
    
    .modal-header {
        padding: 20px 20px 16px;
    }
    
    .personalization-form {
        padding: 16px 20px 20px;
    }
    
    .step-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading States */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    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: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    .step,
    .interest-card,
    .preference-item,
    .progress-step,
    .progress-fill {
        animation: none;
        transition: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .interest-card,
    .preference-item {
        border-width: 3px;
    }
    
    .checkbox-custom {
        border-width: 3px;
    }
}