/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    /* カラーパレット - 地図とナビゲーションをイメージ */
    --primary: #2c5f7c;
    --primary-dark: #1a3d52;
    --primary-light: #4a8db3;
    
    --layer1-color: #e74c3c;  /* 赤 - 未整理 */
    --layer2-color: #f39c12;  /* 橙 - 判断以前 */
    --layer3-color: #27ae60;  /* 緑 - 判断可能 */
    
    --bg-primary: #fafbfc;
    --bg-card: #ffffff;
    --border-color: #e1e8ed;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    
    /* タイポグラフィ */
    --font-display: 'Hiragino Sans', 'Yu Gothic', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* アニメーション */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, #f5f7fa 0%, #e8edf2 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding: var(--spacing-md);
}

/* ========================================
   Container & Layout
   ======================================== */
.container {
    max-width: 800px;
    margin: 0 auto;
    animation: fadeIn 0.6s ease;
}

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

/* ========================================
   Header
   ======================================== */
.header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
}

/* ========================================
   Auth Section
   ======================================== */
.auth-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-google-login {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-google-login:hover {
    border-color: #4285f4;
    box-shadow: 0 4px 8px rgba(66, 133, 244, 0.2);
    transform: translateY(-2px);
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: 1rem;
    transition: color var(--transition-fast);
}

.btn-text:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.user-email {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ========================================
   Notice Banner
   ======================================== */
.notice-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 12px rgba(44, 95, 124, 0.15);
}

.notice-content {
    text-align: center;
    font-size: 1.05rem;
    line-height: 1.5;
}

.notice-content strong {
    font-weight: 700;
}

/* ========================================
   Steps & Cards
   ======================================== */
.step {
    display: none;
    animation: slideIn 0.4s ease;
}

.step.active {
    display: block;
}

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

.card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: var(--spacing-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.card h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--primary);
    padding-bottom: var(--spacing-sm);
}

.description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* ========================================
   Consent
   ======================================== */
/* ========================================
   Consent
   ======================================== */
.login-mode-selection {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: #f8f9fa;
    border-radius: 12px;
}

.login-mode-selection h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.mode-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.mode-option {
    cursor: pointer;
}

.mode-option input[type="radio"] {
    display: none;
}

.mode-card {
    background: white;
    border: 3px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.mode-option input[type="radio"]:checked + .mode-card {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(44, 95, 124, 0.05) 0%, rgba(74, 141, 179, 0.05) 100%);
    box-shadow: 0 4px 12px rgba(44, 95, 124, 0.15);
}

.mode-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.mode-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.mode-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.mode-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.consent-box {
    background: #f8f9fa;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.consent-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    user-select: none;
}

.consent-checkbox {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
}

.consent-text {
    font-size: 1.05rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* ========================================
   Progress Bar
   ======================================== */
.progress-container {
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.progress-bar {
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}

.progress-text {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* ========================================
   Step Header
   ======================================== */
.step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.step-badge {
    background: var(--primary);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-header h2 {
    border: none;
    padding: 0;
    margin: 0;
    font-size: 1.6rem;
}

/* ========================================
   Preset Options
   ======================================== */
.preset-section {
    background: #f8f9fa;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.preset-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.preset-toggle {
    background: white;
    border: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.preset-toggle:hover {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
}

.preset-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.preset-btn {
    background: white;
    border: 2px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-normal);
    font-size: 0.95rem;
    line-height: 1.4;
}

.preset-btn:hover {
    border-color: var(--primary);
    background: rgba(44, 95, 124, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

/* ========================================
   Previous Answer Display
   ======================================== */
.previous-answer {
    background: linear-gradient(135deg, #e8f4f8 0%, #d5e8f0 100%);
    border-left: 4px solid var(--primary);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
}

.previous-label {
    font-size: 0.85rem;
    color: var(--primary-dark);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.previous-text {
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ========================================
   Questions
   ======================================== */
.question-group {
    margin-bottom: var(--spacing-lg);
}

.question-label {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.question-number {
    background: var(--primary);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: var(--spacing-sm);
    font-size: 0.9rem;
}

.question-text {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.question-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
    transition: border-color var(--transition-normal);
}

.question-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 95, 124, 0.1);
}

.char-counter {
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.char-count {
    font-weight: 600;
    color: var(--primary);
}

.char-counter.valid .char-count {
    color: var(--layer3-color);
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
}

.example-btn {
    background: white;
    border: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

/* ========================================
   Action Buttons
   ======================================== */
.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

.action-buttons .btn {
    flex: 0 1 auto;
    min-width: 120px;
}

.validation-warning {
    background: #fff3cd;
    border: 1px solid #ffc107;
    color: #856404;
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: var(--font-display);
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(44, 95, 124, 0.25);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(44, 95, 124, 0.35);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

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

/* ========================================
   MAP Display
   ======================================== */
.layer-display {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.layer-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.layer-indicator {
    margin: var(--spacing-md) 0;
}

.layer-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.layer-badge.layer1 {
    background: var(--layer1-color);
    color: white;
}

.layer-badge.layer2 {
    background: var(--layer2-color);
    color: white;
}

.layer-badge.layer3 {
    background: var(--layer3-color);
    color: white;
}

.layer-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    line-height: 1.6;
}

/* ========================================
   MAP Sections
   ======================================== */
.map-section {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--primary);
    margin-right: var(--spacing-sm);
    border-radius: 2px;
}

.stuck-points-list,
.questions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.stuck-point,
.question-item {
    background: #f8f9fa;
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    animation: slideInLeft 0.4s ease;
}

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

.stuck-point-category {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.stuck-point-text,
.question-item {
    color: var(--text-primary);
    line-height: 1.6;
}

.operator-message {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    margin: var(--spacing-lg) 0;
}

/* ========================================
   Layer Actions
   ======================================== */
.layer-actions {
    margin-top: var(--spacing-lg);
    text-align: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
}

.layer-actions .btn {
    min-width: 200px;
    font-size: 1.2rem;
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: 0 4px 12px rgba(44, 95, 124, 0.3);
}

.layer-actions .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(44, 95, 124, 0.4);
}

/* ========================================
   JUDGEX²
   ======================================== */
.judgex-notice {
    background: #fff3cd;
    border: 2px solid #ffc107;
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: #856404;
}

.judgex-questions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.judgex-question {
    background: #f8f9fa;
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.judgex-q-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.judgex-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.judgex-option {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.judgex-option:hover {
    background: white;
    border-color: var(--primary-light);
}

.judgex-option input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

.judgex-option span {
    flex: 1;
    line-height: 1.5;
}

/* ========================================
   Results
   ======================================== */
.save-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.save-status.saving {
    background: #fef3c7;
    border: 2px solid #f59e0b;
    color: #92400e;
}

.save-status.saved {
    background: #d1fae5;
    border: 2px solid #10b981;
    color: #065f46;
}

.save-status.error {
    background: #fee2e2;
    border: 2px solid #ef4444;
    color: #991b1b;
}

#saveStatusIcon {
    font-size: 1.5rem;
    animation: pulse 1.5s ease-in-out infinite;
}

.save-status.saved #saveStatusIcon,
.save-status.error #saveStatusIcon {
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.score-display {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.score-gauge {
    width: 100%;
    height: 40px;
    background: #e9ecef;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.score-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--layer1-color) 0%, var(--layer2-color) 50%, var(--layer3-color) 100%);
    border-radius: 20px;
    transition: width 1s ease;
    position: relative;
}

.score-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin: var(--spacing-md) 0;
}

.score-max {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.score-label {
    font-size: 1.3rem;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    display: inline-block;
}

.score-label.avoid {
    background: rgba(231, 76, 60, 0.15);
    color: var(--layer1-color);
}

.score-label.pending {
    background: rgba(243, 156, 18, 0.15);
    color: var(--layer2-color);
}

.score-label.accept {
    background: rgba(39, 174, 96, 0.15);
    color: var(--layer3-color);
}

.radar-chart {
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.final-message {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.7;
    margin: var(--spacing-xl) 0;
}

.history-link-message {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border: 2px solid #10b981;
    border-radius: 12px;
    margin: var(--spacing-lg) 0;
}

.history-link-message p {
    margin: 0 0 var(--spacing-sm) 0;
    font-weight: 600;
    color: #065f46;
}

.btn-link {
    background: #10b981;
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-link:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: var(--spacing-xl);
}

/* ========================================
   History & Growth
   ======================================== */
.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    max-height: 500px;
    overflow-y: auto;
}

.history-empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    font-style: italic;
}

.history-item {
    background: #f8f9fa;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.history-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.history-date {
    font-weight: 600;
    color: var(--text-primary);
}

.history-version {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: white;
    padding: 2px 8px;
    border-radius: 4px;
}

.history-summary {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.history-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 600;
}

.history-badge.layer1 {
    background: rgba(231, 76, 60, 0.15);
    color: var(--layer1-color);
}

.history-badge.layer2 {
    background: rgba(243, 156, 18, 0.15);
    color: var(--layer2-color);
}

.history-badge.layer3 {
    background: rgba(39, 174, 96, 0.15);
    color: var(--layer3-color);
}

.history-score {
    font-weight: 700;
    color: var(--primary);
}

.growth-chart {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: #f8f9fa;
    border-radius: 12px;
}

.growth-chart h3 {
    font-size: 1.2rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.growth-chart canvas {
    max-width: 100%;
    height: auto;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .score-value {
        font-size: 2.5rem;
    }
    
    body {
        padding: var(--spacing-sm);
    }
    
    .preset-options {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        width: 100%;
    }
    
    .step-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .step-header h2 {
        font-size: 1.3rem;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}