:root {
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --primary-color: #6366f1;
    --secondary-color: #f472b6;
    --text-color: #1f2937;
    --secondary-text: #6b7280;
    --border-color: #e5e7eb;
    --accent-light: #eff6ff;
    --success-color: #10b981;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 0;
}

/* Navigation */
.navbar {
    width: 100%;
    background-color: var(--card-bg);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-logo {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-text);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.container {
    max-width: 800px;
    width: 95%;
    text-align: center;
    margin: 40px 0;
    background-color: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.test-area {
    max-width: 480px;
    margin: 0 auto;
}

/* Info Section Styles */
.info-article {
    margin-top: 4rem;
    text-align: left;
    border-top: 1px solid var(--border-color);
    padding-top: 3rem;
}

.info-section {
    margin-bottom: 3rem;
}

.info-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.info-section p {
    color: var(--secondary-text);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.policy-section {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: 15px;
    margin-top: 3rem;
    text-align: left;
}

/* Header */
header {
    margin-bottom: 2rem;
}

.language-selector {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.lang-btn {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--secondary-text);
}

.lang-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.main-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--secondary-text);
    font-size: 1.1rem;
}

/* Gender Selection */
.gender-selection {
    margin-bottom: 2rem;
}

.selection-label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--secondary-text);
}

.toggle-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.toggle-container input[type="radio"] {
    display: none;
}

.toggle-btn {
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    width: 120px;
}

.toggle-container input[type="radio"]:checked + .toggle-btn {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.05);
}

/* Upload Area */
.upload-container {
    border: 2px dashed var(--border-color);
    border-radius: 20px;
    padding: 3rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-color);
}

.upload-container:hover {
    border-color: var(--primary-color);
    background-color: var(--accent-light);
}

.upload-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.upload-text {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

.image-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
}

/* Analysis Status */
.analysis-status {
    padding: 3rem 0;
}

.loading-bar-container {
    width: 100%;
    height: 12px;
    background-color: var(--border-color);
    border-radius: 10px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.loading-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    transition: width 0.3s linear;
}

.status-text {
    font-weight: 700;
    font-size: 1.2rem;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* Result Card */
.result-card {
    text-align: center;
    background-color: var(--bg-color);
    padding: 2.5rem 1.5rem;
    border-radius: 24px;
}

.match-label {
    font-size: 1rem;
    color: var(--secondary-text);
    margin-bottom: 0.5rem;
}

.result-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.names-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.name-box {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s;
}

.name-box.emphasized {
    border: 3px solid var(--primary-color);
    padding: 2rem 1rem;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.15);
}

.name-box.emphasized .name-value {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary-color);
}

.name-box.emphasized .name-lang {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-text);
    background: var(--accent-light);
    padding: 0.2rem 1rem;
    border-radius: 20px;
}

.secondary-names {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
}

.secondary-names .name-box {
    padding: 0.8rem 0.4rem;
}

.secondary-names .name-lang {
    font-size: 0.7rem;
    color: var(--secondary-text);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
}

.secondary-names .name-value {
    font-size: 1.1rem;
    font-weight: 700;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    flex: 1;
    padding: 1rem;
    border-radius: 12px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn:active {
    transform: scale(0.95);
}

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

.btn.secondary {
    background-color: var(--border-color);
    color: var(--text-color);
}

/* Ad Container */
.ad-container {
    margin: 20px auto;
    text-align: center;
    min-height: 90px;
    background-color: rgba(0, 0, 0, 0.02);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Privacy Notice */
.privacy-notice {
    margin-top: 2.5rem;
    font-size: 0.85rem;
    color: var(--secondary-text);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.lock-icon {
    font-size: 1rem;
}

/* Affiliate Section */
.affiliate-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: left;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.affiliate-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

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

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--secondary-text);
}

.form-group input, 
.form-group textarea {
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--bg-color);
    transition: border-color 0.2s;
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

.footer-link:hover {
    opacity: 0.8;
}

/* Comment Section */
.comment-section {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: left;
}

#disqus_thread {
    width: 100%;
}

/* Footer */
footer {
    margin-top: 2rem;
    font-size: 0.8rem;
    color: var(--secondary-text);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Content Page Styles (for Privacy, Terms, About) */
.content-page {
    max-width: 800px;
    margin: 40px auto;
    text-align: left;
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.content-page h1 { margin-bottom: 20px; color: var(--primary-color); }
.content-page h2 { margin-top: 30px; margin-bottom: 15px; }
.content-page p { margin-bottom: 15px; color: var(--text-color); }
.back-link { display: inline-block; margin-bottom: 20px; color: var(--primary-color); text-decoration: none; font-weight: bold; }

/* Utility */
.hidden {
    display: none;
}

@media (max-width: 480px) {
    .container {
        padding: 2rem 1rem;
        box-shadow: none;
        background: transparent;
    }
}

/* Similarity Score Visuals */
.similarity-container {
    margin: 0 auto 2rem;
    display: flex;
    justify-content: center;
}

.similarity-badge {
    background: var(--secondary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 800;
    font-size: 2rem;
    box-shadow: 0 8px 20px rgba(244, 114, 182, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
}

#similarity-emoji {
    font-size: 2.5rem;
}

.idol-match-info {
    margin-bottom: 2rem;
}