.achievements-page {
    --ach-card: var(--bg-tertiary);
    --ach-card-hover: color-mix(in srgb, var(--bg-tertiary) 92%, var(--text-primary));
    --ach-line: var(--border-medium);
    --ach-line-soft: var(--border-light);
    --ach-fill: color-mix(in srgb, var(--accent-primary) 65%, var(--text-primary));
    --ach-track: color-mix(in srgb, var(--text-primary) 12%, var(--bg-secondary));
    --ach-tint: color-mix(in srgb, var(--accent-primary) 16%, var(--bg-secondary));
    --ach-solid: color-mix(in srgb, var(--accent-primary) 75%, var(--text-primary));
    --ach-on-accent: var(--text-inverse);
    --ach-muted: color-mix(in srgb, var(--text-secondary) 65%, var(--text-primary));
    --ach-icon-chip: #F7F4EB;
    color: var(--text-primary);
}

[data-theme="burgundy"] .achievements-page {
    --ach-solid: var(--accent-primary);
    --ach-on-accent: var(--text-primary);
}

[data-theme="sepia"] .achievements-page {
    --ach-solid: color-mix(in srgb, var(--accent-primary) 40%, var(--text-primary));
    --ach-muted: color-mix(in srgb, var(--text-secondary) 35%, var(--text-primary));
}

.achievements-page .page-header {
    text-align: center;
    margin-bottom: 25px;
}

.achievements-page .page-title {
    font-family: var(--font-serif);
    margin-bottom: 10px;
    font-size: 2rem;
}

.achievements-page .page-subtitle {
    color: var(--ach-muted);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.back-button-container {
    margin-top: 15px;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--ach-card);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s ease, transform 0.2s ease;
    border: 1px solid var(--ach-line);
}

.back-btn:hover {
    background-color: var(--ach-card-hover);
    transform: translateY(-1px);
    color: var(--text-primary);
    text-decoration: none;
}

.loading-achievements {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.achievements-page .skeleton {
    background: linear-gradient(90deg, var(--ach-card) 25%, var(--ach-card-hover) 50%, var(--ach-card) 75%);
    background-size: 200% 100%;
    animation: ach-loading 1.5s infinite;
}

@keyframes ach-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-achievement {
    height: 120px;
    border-radius: 12px;
}

.achievements-page .alert-warning {
    max-width: 800px;
    margin: 1.5rem auto;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    background: color-mix(in srgb, var(--warning) 14%, var(--bg-secondary));
    border: 1px solid color-mix(in srgb, var(--warning) 45%, var(--bg-secondary));
    color: var(--text-primary);
}

.achievements-page .alert-warning a {
    color: var(--text-primary);
    font-weight: 600;
}

.achievement-summary {
    max-width: 800px;
    margin: 0 auto 40px;
}

.achievement-summary-card {
    background-color: var(--ach-card);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px var(--shadow-medium);
    border: 1px solid var(--ach-line);
}

.achievement-summary-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.achievement-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.achievement-stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-variant-numeric: lining-nums tabular-nums;
}

.achievement-stat-label {
    font-size: 0.9rem;
    color: var(--ach-muted);
    margin-top: 5px;
}

.achievement-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
    background-color: var(--ach-card);
    border-radius: 12px;
    padding: 6px;
    gap: 4px;
    border: 1px solid var(--ach-line);
    box-shadow: 0 2px 10px var(--shadow-light);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: 1px solid transparent;
    background: none;
    color: var(--ach-muted);
    border-radius: 8px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
    flex: 1 1 auto;
    justify-content: center;
    font-size: 1rem;
}

.tab-btn:hover {
    color: var(--text-primary);
    background-color: var(--ach-card-hover);
}

.tab-btn.active {
    background-color: var(--ach-tint);
    border-color: var(--ach-fill);
    color: var(--text-primary);
    box-shadow: 0 2px 8px var(--shadow-medium);
}

.tab-btn:focus-visible {
    outline: 2px solid var(--ach-fill);
    outline-offset: 2px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.achievement-categories {
    max-width: 1200px;
    margin: 0 auto;
}

.achievement-category {
    margin-bottom: 50px;
}

.achievement-category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    margin-bottom: 25px;
    font-family: var(--font-serif);
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.achievement-card {
    background-color: var(--ach-card);
    border: 1px solid var(--ach-line);
    border-radius: 12px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px var(--shadow-strong);
}

.achievement-card.earned {
    border-color: var(--ach-fill);
    background: linear-gradient(135deg, var(--ach-card) 0%, var(--ach-tint) 100%);
}

.achievement-card.earned::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--ach-fill);
}

.achievement-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.achievement-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.achievement-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    background: var(--ach-icon-chip);
    border-radius: 50%;
    padding: 3px;
    box-sizing: content-box;
}

.achievement-icon.earned {
    background: var(--ach-fill);
}

.achievement-icon.unearned {
    background-color: var(--ach-track);
}

.achievement-info {
    flex: 1;
    min-width: 0;
}

.achievement-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.achievement-title.has-figures {
    font-family: var(--font-sans);
    font-variant-numeric: lining-nums tabular-nums;
}

.achievement-date {
    font-size: 0.85rem;
    color: var(--ach-muted);
    font-family: var(--font-sans);
    font-variant-numeric: lining-nums tabular-nums;
}

.achievement-description {
    color: var(--ach-muted);
    line-height: 1.5;
    margin: 0 0 15px;
    font-family: var(--font-sans);
    font-variant-numeric: lining-nums tabular-nums;
}

.achievement-progress {
    background-color: var(--ach-track);
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 10px;
    margin-top: auto;
}

.achievement-progress-fill {
    height: 100%;
    background: var(--ach-fill);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.achievement-progress-text {
    font-size: 0.8rem;
    color: var(--ach-muted);
    text-align: center;
    font-family: var(--font-sans);
    font-variant-numeric: lining-nums tabular-nums;
}

.empty-achievements {
    text-align: center;
    padding: 60px 20px;
    color: var(--ach-muted);
    grid-column: 1 / -1;
}

.empty-achievements svg {
    margin-bottom: 20px;
}

.empty-achievements p {
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.start-typing-btn {
    display: inline-block;
    background-color: var(--ach-solid);
    color: var(--ach-on-accent);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: filter 0.2s ease, transform 0.2s ease;
}

.start-typing-btn:hover {
    filter: brightness(0.9);
    transform: translateY(-2px);
    color: var(--ach-on-accent);
    text-decoration: none;
}

.sg-intro {
    max-width: 760px;
    margin: -16px auto 24px;
    text-align: center;
    color: var(--ach-muted);
    line-height: 1.55;
}

.sg-jump {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: 0 auto 36px;
    max-width: 960px;
}

.sg-jump-btn {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--ach-line);
    background: var(--ach-card);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.92rem;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.sg-jump-btn:hover,
.sg-jump-btn:focus-visible {
    background: var(--ach-tint);
    border-color: var(--ach-fill);
    outline: none;
}

.sg-jump-count,
.sg-section-count,
.sg-count,
.sg-state,
.sg-item-count {
    font-family: var(--font-sans);
    font-variant-numeric: lining-nums tabular-nums;
}

.sg-jump-count {
    color: var(--ach-muted);
    font-size: 0.82rem;
}

.sg-section {
    scroll-margin-top: 90px;
}

.sg-section .achievement-category-title {
    justify-content: space-between;
    flex-wrap: wrap;
}

.sg-section-count {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ach-muted);
}

.sg-subtitle {
    font-size: 0.9rem;
    color: var(--ach-muted);
    font-family: var(--font-sans);
    font-variant-numeric: lining-nums tabular-nums;
    overflow-wrap: anywhere;
}

.sg-progress-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--ach-muted);
}

.sg-state {
    color: var(--text-primary);
    font-weight: 600;
}

.sg-items {
    margin-top: 14px;
    border-top: 1px solid var(--ach-line-soft);
    padding-top: 10px;
}

.sg-items summary {
    cursor: pointer;
    font-family: var(--font-sans);
    font-variant-numeric: lining-nums tabular-nums;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.92rem;
    list-style-position: inside;
}

.sg-items summary:focus-visible {
    outline: 2px solid var(--ach-fill);
    outline-offset: 2px;
    border-radius: 4px;
}

.sg-item-list {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    display: grid;
    gap: 6px;
    max-height: 320px;
    overflow-y: auto;
}

.sg-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--ach-muted);
}

.sg-item-mark {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--ach-line);
    flex-shrink: 0;
    box-sizing: border-box;
}

.sg-item.is-done {
    color: var(--text-primary);
}

.sg-item.is-done .sg-item-mark {
    background: var(--ach-fill);
    border-color: var(--ach-fill);
}

.sg-item-name {
    flex: 1;
    min-width: 0;
    font-family: var(--font-sans);
}

.sg-item-count {
    font-size: 0.8rem;
    color: var(--ach-muted);
}

.sg-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.sg-actions--type {
    margin-top: auto;
    padding-top: 14px;
}

.sg-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--ach-line);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.sg-action--type {
    font-family: var(--font-sans);
    font-variant-numeric: lining-nums tabular-nums;
}

.sg-action:hover,
.sg-action:focus-visible {
    border-color: var(--ach-fill);
    background: var(--ach-tint);
    color: var(--text-primary);
    text-decoration: none;
    outline: none;
}

.sg-action img {
    width: 16px;
    height: 16px;
    background: var(--ach-icon-chip);
    border-radius: 50%;
    padding: 1px;
    box-sizing: content-box;
}

@media (max-width: 768px) {
    .achievement-summary-stats {
        gap: 30px;
    }

    .achievement-stat-number {
        font-size: 2rem;
    }

    .achievement-grid {
        grid-template-columns: 1fr;
    }

    .tab-btn {
        padding: 10px 12px;
        font-size: 0.92rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .achievement-card,
    .achievement-card:hover {
        transition: none;
        transform: none;
    }
}