/**
 * Advanced Love Calculator - Styles
 * Version: 1.0.0
 */

/* CSS Variables for easy theming */
:root {
    --lc-primary: #ff6b9d;
    --lc-primary-dark: #e91e63;
    --lc-secondary: #c44569;
    --lc-accent: #f8b500;
    --lc-gradient-start: #ff9a9e;
    --lc-gradient-mid: #fecfef;
    --lc-gradient-end: #fecfef;
    --lc-bg-light: #fff5f7;
    --lc-text-dark: #2d3436;
    --lc-text-muted: #636e72;
    --lc-white: #ffffff;
    --lc-border: #ffe0e6;
    --lc-shadow: rgba(255, 107, 157, 0.15);
    --lc-success: #00b894;
    --lc-error: #d63031;
    --lc-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Container */
.love-calculator-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--lc-text-dark);
    background: linear-gradient(135deg, var(--lc-bg-light) 0%, var(--lc-white) 100%);
    border-radius: 20px;
    box-shadow: 0 10px 40px var(--lc-shadow);
}

/* Header */
.lc-header {
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 20px;
}

.lc-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--lc-primary) 0%, var(--lc-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 15px 0;
    line-height: 1.2;
}

.lc-intro {
    font-size: 1.1rem;
    color: var(--lc-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Navigation */
.lc-nav {
    background: var(--lc-white);
    border-radius: 50px;
    padding: 10px 20px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px var(--lc-shadow);
}

.lc-nav-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.lc-nav-list li {
    margin: 0;
}

.lc-nav-list a {
    display: block;
    padding: 8px 20px;
    color: var(--lc-text-muted);
    text-decoration: none;
    font-weight: 500;
    border-radius: 25px;
    transition: var(--lc-transition);
}

.lc-nav-list a:hover,
.lc-nav-list a:focus {
    background: linear-gradient(135deg, var(--lc-gradient-start) 0%, var(--lc-gradient-mid) 100%);
    color: var(--lc-primary-dark);
    outline: none;
}

/* Calculator Section */
.lc-calculator-section {
    margin-bottom: 40px;
}

.lc-section-title {
    text-align: center;
    font-size: 1.5rem;
    color: var(--lc-text-dark);
    margin-bottom: 25px;
}

/* Card */
.lc-card {
    background: var(--lc-white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 30px var(--lc-shadow);
    border: 1px solid var(--lc-border);
}

/* Form */
.lc-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.lc-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lc-label {
    font-weight: 600;
    color: var(--lc-text-dark);
    font-size: 0.95rem;
}

.lc-required {
    color: var(--lc-primary);
}

.lc-input,
.lc-select {
    padding: 14px 18px;
    border: 2px solid var(--lc-border);
    border-radius: 12px;
    font-size: 1rem;
    transition: var(--lc-transition);
    background: var(--lc-white);
    color: var(--lc-text-dark);
}

.lc-input:focus,
.lc-select:focus {
    outline: none;
    border-color: var(--lc-primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.1);
}

.lc-input::placeholder {
    color: #b2bec3;
}

.lc-hint {
    font-size: 0.85rem;
    color: var(--lc-text-muted);
    margin-top: -4px;
}

.lc-error {
    font-size: 0.875rem;
    color: var(--lc-error);
    min-height: 20px;
}

/* Divider */
.lc-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
    position: relative;
}

.lc-divider::before,
.lc-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lc-border), transparent);
}

.lc-heart {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--lc-primary) 0%, var(--lc-secondary) 100%);
    border-radius: 50%;
    color: var(--lc-white);
    font-size: 1.5rem;
    margin: 0 15px;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Buttons */
.lc-button {
    padding: 16px 32px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--lc-transition);
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.lc-button:focus {
    outline: 3px solid var(--lc-primary);
    outline-offset: 2px;
}

.lc-button-primary {
    background: linear-gradient(135deg, var(--lc-primary) 0%, var(--lc-secondary) 100%);
    color: var(--lc-white);
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.4);
}

.lc-button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.5);
}

.lc-button-secondary {
    background: linear-gradient(135deg, var(--lc-accent) 0%, #ff9500 100%);
    color: var(--lc-white);
}

.lc-button-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(248, 181, 0, 0.4);
}

.lc-button-tertiary {
    background: transparent;
    color: var(--lc-primary);
    border: 2px solid var(--lc-primary);
}

.lc-button-tertiary:hover {
    background: var(--lc-primary);
    color: var(--lc-white);
}

/* Result Section */
.lc-result {
    margin-top: 30px;
    padding: 30px;
    background: linear-gradient(135deg, var(--lc-bg-light) 0%, var(--lc-white) 100%);
    border-radius: 20px;
    text-align: center;
    animation: fadeInUp 0.6s ease-out;
}

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

.lc-result[hidden] {
    display: none;
}

.lc-result-title {
    font-size: 1.5rem;
    color: var(--lc-text-dark);
    margin-bottom: 20px;
}

.lc-percentage-container {
    margin-bottom: 25px;
}

.lc-percentage {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--lc-primary) 0%, var(--lc-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 20px;
}

.lc-progress-bar {
    width: 100%;
    height: 20px;
    background: var(--lc-border);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.lc-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lc-gradient-start) 0%, var(--lc-primary) 50%, var(--lc-secondary) 100%);
    border-radius: 10px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.lc-result-message {
    font-size: 1.3rem;
    font-weight: 600;
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
}

.lc-result-message.needs-work {
    background: #ffeaa7;
    color: #d63031;
}

.lc-result-message.good-match {
    background: #dfe6e9;
    color: #2d3436;
}

.lc-result-message.strong-bond {
    background: #ffcccc;
    color: var(--lc-primary-dark);
}

.lc-result-message.soulmates {
    background: linear-gradient(135deg, var(--lc-gradient-start) 0%, var(--lc-gradient-mid) 100%);
    color: var(--lc-primary-dark);
}

.lc-zodiac-result {
    font-size: 1rem;
    color: var(--lc-text-muted);
    margin-bottom: 25px;
    padding: 15px;
    background: var(--lc-white);
    border-radius: 10px;
    border: 1px solid var(--lc-border);
}

.lc-result-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.lc-copy-feedback {
    margin-top: 15px;
    padding: 10px;
    color: var(--lc-success);
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lc-copy-feedback.show {
    opacity: 1;
}

/* Content Sections */
.lc-content-section {
    margin-bottom: 40px;
    padding: 30px;
    background: var(--lc-white);
    border-radius: 20px;
    box-shadow: 0 4px 20px var(--lc-shadow);
}

.lc-content-section h2 {
    font-size: 1.8rem;
    color: var(--lc-text-dark);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--lc-border);
}

.lc-content-section h3 {
    font-size: 1.3rem;
    color: var(--lc-primary-dark);
    margin: 25px 0 15px 0;
}

.lc-content-section p {
    margin-bottom: 15px;
    color: var(--lc-text-dark);
}

.lc-content-section ul,
.lc-content-section ol {
    margin-bottom: 15px;
    padding-left: 25px;
}

.lc-content-section li {
    margin-bottom: 10px;
    color: var(--lc-text-dark);
}

/* FAQ Section */
.lc-faq-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--lc-border);
}

.lc-faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.lc-faq-item h3 {
    font-size: 1.2rem;
    color: var(--lc-primary-dark);
    margin-bottom: 10px;
}

/* Disclaimer */
.lc-disclaimer {
    background: #fff9e6;
    border: 2px solid #ffeaa7;
    border-radius: 15px;
    padding: 25px;
    margin-top: 30px;
}

.lc-disclaimer h2 {
    font-size: 1.3rem;
    color: #d63031;
    margin-bottom: 15px;
}

.lc-disclaimer p {
    color: var(--lc-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .love-calculator-container {
        padding: 15px;
        margin: 10px;
    }
    
    .lc-title {
        font-size: 1.8rem;
    }
    
    .lc-nav-list {
        gap: 5px;
    }
    
    .lc-nav-list a {
        padding: 6px 15px;
        font-size: 0.9rem;
    }
    
    .lc-card {
        padding: 20px;
    }
    
    .lc-percentage {
        font-size: 3rem;
    }
    
    .lc-content-section {
        padding: 20px;
    }
    
    .lc-content-section h2 {
        font-size: 1.5rem;
    }
    
    .lc-result-actions {
        flex-direction: column;
    }
    
    .lc-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .lc-title {
        font-size: 1.5rem;
    }
    
    .lc-percentage {
        font-size: 2.5rem;
    }
    
    .lc-result-message {
        font-size: 1.1rem;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .lc-input,
    .lc-select {
        border-width: 3px;
    }
    
    .lc-button:focus {
        outline-width: 4px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .lc-heart {
        animation: none;
    }
}

/* Print Styles */
@media print {
    .love-calculator-container {
        box-shadow: none;
        background: white;
    }
    
    .lc-nav,
    .lc-button {
        display: none;
    }
    
    .lc-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* AdSense Spacing */
.lc-ads-space {
    margin: 30px 0;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--lc-bg-light);
    border-radius: 10px;
}

/* Focus Visible for better accessibility */
.lc-input:focus-visible,
.lc-select:focus-visible,
.lc-button:focus-visible {
    outline: 3px solid var(--lc-primary);
    outline-offset: 2px;
}

/* Error State */
.lc-input.lc-input-error {
    border-color: var(--lc-error);
    background-color: #fff5f5;
}

/* Success State */
.lc-input.lc-input-success {
    border-color: var(--lc-success);
}