/* ============================================================
   FoldLab — Dark Molecular Biology Theme
   ============================================================ */

:root {
    --fl-bg: #0a0e14;
    --fl-bg-soft: #0d1117;
    --fl-bg-elevated: #161b22;
    --fl-bg-card: #1c2128;
    --fl-bg-card-hover: #22272e;

    --fl-text: #e6edf3;
    --fl-text-strong: #f0f6fc;
    --fl-text-muted: #8b949e;
    --fl-text-dim: #6e7681;

    /* 단백질 그린 (메인 액센트) */
    --fl-green: #3fb950;
    --fl-green-soft: rgba(63, 185, 80, 0.15);
    --fl-green-border: rgba(63, 185, 80, 0.35);

    /* 사이언스 시안/블루 */
    --fl-cyan: #58a6ff;
    --fl-cyan-soft: rgba(88, 166, 255, 0.15);

    /* AI 퍼플 */
    --fl-purple: #d2a8ff;
    --fl-purple-soft: rgba(210, 168, 255, 0.15);

    /* 경고/위험 */
    --fl-warning: #f0883e;
    --fl-warning-soft: rgba(240, 136, 62, 0.15);
    --fl-danger: #f85149;

    --fl-border: #30363d;
    --fl-border-soft: #21262d;

    --fl-radius: 10px;
    --fl-radius-lg: 16px;

    --fl-font-display: "IBM Plex Serif", "Noto Serif KR", Georgia, serif;
    --fl-font-body: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
        "Malgun Gothic", sans-serif;
    --fl-font-mono: "JetBrains Mono", "D2Coding", Menlo, Consolas, monospace;

    --fl-shadow-card: 0 4px 16px rgba(0, 0, 0, 0.4);
    --fl-shadow-glow-green: 0 0 24px rgba(63, 185, 80, 0.25);
}

/* ============================================================
   기본 페이지 레이아웃
   ============================================================ */

body.foldlab-page {
    background: var(--fl-bg);
    color: var(--fl-text);
    font-family: var(--fl-font-body);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.fl-app {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 980px) {
    .fl-app {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   사이드바
   ============================================================ */

.fl-sidebar {
    background: var(--fl-bg-soft);
    border-right: 1px solid var(--fl-border-soft);
    padding: 24px 18px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    box-sizing: border-box;
}

@media (max-width: 980px) {
    .fl-sidebar {
        position: relative;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--fl-border-soft);
    }
}

.fl-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 6px 18px;
    border-bottom: 1px solid var(--fl-border-soft);
    margin-bottom: 18px;
}

.fl-brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--fl-green), var(--fl-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0a0e14;
    font-weight: 800;
    font-family: var(--fl-font-display);
    font-size: 18px;
}

.fl-brand-name {
    font-family: var(--fl-font-display);
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -0.01em;
    color: var(--fl-text-strong);
}

.fl-brand-sub {
    font-size: 11px;
    color: var(--fl-text-muted);
    margin-top: 2px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.fl-toc-title {
    font-size: 12px;
    color: var(--fl-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 6px 10px;
    margin-bottom: 4px;
}

.fl-toc {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fl-toc-item {
    margin: 0 0 2px;
}

.fl-toc-link {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--fl-text-muted);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    font-size: 14px;
    line-height: 1.4;
}

.fl-toc-link:hover {
    background: var(--fl-bg-card-hover);
    color: var(--fl-text);
}

.fl-toc-link.is-active {
    background: var(--fl-green-soft);
    color: var(--fl-text-strong);
    border-left: 2px solid var(--fl-green);
    padding-left: 10px;
}

.fl-toc-link.is-done {
    color: var(--fl-text);
}

.fl-toc-no {
    font-family: var(--fl-font-mono);
    font-size: 11px;
    color: var(--fl-text-dim);
    flex-shrink: 0;
    width: 22px;
    padding-top: 2px;
}

.fl-toc-link.is-done .fl-toc-no::after {
    content: "✓";
    color: var(--fl-green);
    margin-left: 2px;
}

.fl-toc-title-text {
    flex: 1;
}

.fl-toc-icon {
    flex-shrink: 0;
}

/* ============================================================
   메인 영역
   ============================================================ */

.fl-main {
    padding: 36px 48px 96px;
    max-width: 820px;
    width: 100%;
    box-sizing: border-box;
}

@media (max-width: 700px) {
    .fl-main {
        padding: 24px 18px 80px;
    }
}

/* ============================================================
   상단 진도바
   ============================================================ */

.fl-progress-top {
    background: var(--fl-bg-soft);
    border-bottom: 1px solid var(--fl-border-soft);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--fl-text-muted);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(8px);
    background: rgba(13, 17, 23, 0.85);
}

.fl-progress-track {
    flex: 1;
    height: 4px;
    background: var(--fl-bg-card);
    border-radius: 2px;
    overflow: hidden;
}

.fl-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--fl-green), var(--fl-cyan));
    transition: width 0.4s ease;
    box-shadow: var(--fl-shadow-glow-green);
}

/* ============================================================
   챕터 헤더
   ============================================================ */

.fl-chapter-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--fl-border-soft);
}

.fl-chapter-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--fl-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
}

.fl-chapter-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--fl-green-soft);
    color: var(--fl-green);
    border-radius: 999px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.1em;
}

.fl-chapter-no {
    font-family: var(--fl-font-mono);
    color: var(--fl-text-dim);
}

.fl-chapter-title {
    font-family: var(--fl-font-display);
    font-size: 36px;
    font-weight: 700;
    color: var(--fl-text-strong);
    margin: 0 0 10px;
    line-height: 1.25;
    letter-spacing: -0.015em;
}

.fl-chapter-subtitle {
    color: var(--fl-text-muted);
    font-size: 17px;
    margin: 0;
    line-height: 1.5;
}

/* ============================================================
   본문 콘텐츠
   ============================================================ */

.fl-content {
    font-size: 16.5px;
    line-height: 1.8;
}

.fl-content h2 {
    font-family: var(--fl-font-display);
    font-size: 24px;
    color: var(--fl-text-strong);
    margin: 48px 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--fl-border-soft);
    line-height: 1.3;
}

.fl-content h3 {
    font-family: var(--fl-font-display);
    font-size: 19px;
    color: var(--fl-text-strong);
    margin: 32px 0 10px;
    line-height: 1.4;
}

.fl-content p {
    margin: 0 0 18px;
}

.fl-content strong {
    color: var(--fl-text-strong);
    font-weight: 600;
}

.fl-content em {
    color: var(--fl-cyan);
    font-style: normal;
    font-weight: 500;
}

.fl-content ul,
.fl-content ol {
    padding-left: 24px;
    margin: 0 0 18px;
}

.fl-content li {
    margin: 6px 0;
}

.fl-content code {
    font-family: var(--fl-font-mono);
    background: var(--fl-bg-card);
    border: 1px solid var(--fl-border-soft);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.88em;
    color: var(--fl-green);
}

.fl-content a {
    color: var(--fl-cyan);
    text-decoration: underline;
    text-decoration-color: var(--fl-cyan-soft);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.15s;
}

.fl-content a:hover {
    text-decoration-color: var(--fl-cyan);
}

/* ============================================================
   박스 컴포넌트들
   ============================================================ */

/* 이전 챕터 복습 박스 */
.fl-recap {
    background: var(--fl-bg-card);
    border: 1px solid var(--fl-border);
    border-left: 4px solid var(--fl-purple);
    border-radius: var(--fl-radius);
    padding: 18px 22px;
    margin: 0 0 32px;
}

.fl-recap-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--fl-purple);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 10px;
}

.fl-recap-title {
    font-family: var(--fl-font-display);
    font-size: 17px;
    color: var(--fl-text-strong);
    margin: 0 0 8px;
}

.fl-recap-body {
    color: var(--fl-text-muted);
    font-size: 15px;
    margin: 0;
}

/* 다음 액션 박스 */
.fl-next-action {
    background: var(--fl-bg-card);
    border: 1px solid var(--fl-green-border);
    border-radius: var(--fl-radius);
    padding: 22px 24px;
    margin: 40px 0 24px;
    position: relative;
    overflow: hidden;
}

.fl-next-action::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 100% 0%, var(--fl-green-soft), transparent 60%);
    pointer-events: none;
}

.fl-next-action-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--fl-green);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
}

.fl-next-action-title {
    font-family: var(--fl-font-display);
    font-size: 22px;
    color: var(--fl-text-strong);
    margin: 0 0 8px;
    position: relative;
}

.fl-next-action-body {
    color: var(--fl-text-muted);
    margin: 0 0 16px;
    position: relative;
}

.fl-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--fl-green);
    color: #0a0e14;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s, background 0.15s;
    font-family: var(--fl-font-body);
    font-size: 15px;
}

.fl-btn:hover {
    background: #46c459;
    transform: translateY(-1px);
    box-shadow: var(--fl-shadow-glow-green);
    color: #0a0e14;
    text-decoration: none;
}

.fl-btn-ghost {
    background: transparent;
    color: var(--fl-text);
    border: 1px solid var(--fl-border);
}

.fl-btn-ghost:hover {
    background: var(--fl-bg-card);
    color: var(--fl-text-strong);
    box-shadow: none;
}

/* 콜아웃 (info / warn / tip) */
.fl-callout {
    display: flex;
    gap: 14px;
    background: var(--fl-bg-card);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius);
    padding: 16px 20px;
    margin: 24px 0;
    align-items: flex-start;
}

.fl-callout-icon {
    flex-shrink: 0;
    font-size: 22px;
    line-height: 1;
    margin-top: 2px;
}

.fl-callout-body {
    flex: 1;
    margin: 0;
}

.fl-callout-body p:last-child {
    margin-bottom: 0;
}

.fl-callout.is-info {
    border-left: 4px solid var(--fl-cyan);
}

.fl-callout.is-warn {
    border-left: 4px solid var(--fl-warning);
}

.fl-callout.is-tip {
    border-left: 4px solid var(--fl-green);
}

.fl-callout.is-quote {
    border-left: 4px solid var(--fl-purple);
    font-style: italic;
}

/* 분석/사고 박스 */
.fl-think-box {
    background: linear-gradient(180deg, var(--fl-bg-card), var(--fl-bg-elevated));
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius);
    padding: 20px 24px;
    margin: 28px 0;
}

.fl-think-box-title {
    font-family: var(--fl-font-display);
    font-size: 16px;
    color: var(--fl-cyan);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 정의 박스 */
.fl-definition {
    background: var(--fl-bg-elevated);
    border-left: 4px solid var(--fl-purple);
    border-radius: 6px;
    padding: 14px 18px;
    margin: 20px 0;
}

.fl-definition-term {
    font-family: var(--fl-font-mono);
    font-weight: 700;
    color: var(--fl-purple);
    margin-right: 8px;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.08em;
}

/* ============================================================
   퀴즈
   ============================================================ */

.fl-quiz {
    background: var(--fl-bg-card);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg);
    padding: 24px;
    margin: 36px 0;
}

.fl-quiz-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.fl-quiz-badge {
    background: var(--fl-green-soft);
    color: var(--fl-green);
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.fl-quiz-title {
    font-family: var(--fl-font-display);
    font-size: 18px;
    color: var(--fl-text-strong);
    margin: 0;
}

.fl-quiz-question {
    margin: 18px 0 14px;
    font-size: 16px;
    color: var(--fl-text);
    line-height: 1.6;
}

.fl-quiz-options {
    display: grid;
    gap: 8px;
    margin-bottom: 12px;
}

.fl-quiz-option {
    background: var(--fl-bg-soft);
    border: 1px solid var(--fl-border);
    border-radius: 8px;
    padding: 12px 16px;
    text-align: left;
    color: var(--fl-text);
    cursor: pointer;
    font-family: var(--fl-font-body);
    font-size: 15px;
    line-height: 1.5;
    transition: background 0.15s, border-color 0.15s;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
}

.fl-quiz-option:hover:not(:disabled) {
    background: var(--fl-bg-elevated);
    border-color: var(--fl-text-dim);
}

.fl-quiz-option-letter {
    font-family: var(--fl-font-mono);
    color: var(--fl-text-dim);
    flex-shrink: 0;
    font-weight: 700;
}

.fl-quiz-option.is-correct {
    background: var(--fl-green-soft);
    border-color: var(--fl-green);
    color: var(--fl-text-strong);
}

.fl-quiz-option.is-wrong {
    background: rgba(248, 81, 73, 0.1);
    border-color: var(--fl-danger);
}

.fl-quiz-option:disabled {
    cursor: default;
    opacity: 0.7;
}

.fl-quiz-option.is-correct .fl-quiz-option-letter {
    color: var(--fl-green);
}

.fl-quiz-feedback {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 6px;
    font-size: 14px;
    display: none;
}

.fl-quiz-feedback.is-correct {
    background: var(--fl-green-soft);
    color: var(--fl-green);
    display: block;
}

.fl-quiz-feedback.is-wrong {
    background: rgba(248, 81, 73, 0.1);
    color: var(--fl-danger);
    display: block;
}

/* ============================================================
   인포그래픽 / 그래픽 박스
   ============================================================ */

.fl-figure {
    margin: 28px 0;
}

.fl-figure-svg {
    background: var(--fl-bg-elevated);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius);
    padding: 24px;
    text-align: center;
}

.fl-figure-svg svg {
    max-width: 100%;
    height: auto;
}

.fl-figure-caption {
    font-size: 13px;
    color: var(--fl-text-muted);
    margin-top: 10px;
    text-align: center;
    font-style: italic;
}

/* 아미노산 인터랙티브 (챕터 1 / 6) */
.fl-aa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: 8px;
    margin: 20px 0;
}

.fl-aa-card {
    background: var(--fl-bg-card);
    border: 1px solid var(--fl-border);
    border-radius: 8px;
    padding: 10px 6px;
    text-align: center;
    cursor: pointer;
    transition: all 0.15s;
}

.fl-aa-card:hover {
    border-color: var(--fl-green);
    background: var(--fl-bg-card-hover);
    transform: translateY(-2px);
}

.fl-aa-letter {
    font-family: var(--fl-font-mono);
    font-size: 22px;
    font-weight: 700;
    color: var(--fl-green);
    display: block;
    line-height: 1;
}

.fl-aa-name {
    font-size: 10px;
    color: var(--fl-text-muted);
    margin-top: 4px;
    display: block;
}

.fl-aa-info {
    background: var(--fl-bg-elevated);
    border: 1px solid var(--fl-border);
    border-radius: 8px;
    padding: 16px;
    margin-top: 12px;
    min-height: 80px;
    display: none;
}

.fl-aa-info.is-visible {
    display: block;
}

.fl-aa-info-letter {
    font-family: var(--fl-font-mono);
    font-size: 36px;
    font-weight: 700;
    color: var(--fl-green);
    display: inline-block;
    width: 56px;
    text-align: center;
    vertical-align: top;
}

.fl-aa-info-body {
    display: inline-block;
    width: calc(100% - 70px);
    padding-left: 10px;
    vertical-align: top;
}

.fl-aa-info-name {
    font-family: var(--fl-font-display);
    font-size: 18px;
    color: var(--fl-text-strong);
    margin: 0 0 4px;
}

.fl-aa-info-desc {
    font-size: 14px;
    color: var(--fl-text-muted);
    margin: 0;
}

/* FASTA 박스 */
.fl-fasta-block {
    background: var(--fl-bg-soft);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius);
    padding: 16px 18px;
    margin: 18px 0;
    font-family: var(--fl-font-mono);
    font-size: 13px;
    line-height: 1.6;
    overflow-x: auto;
}

.fl-fasta-header-line {
    color: var(--fl-cyan);
    margin-bottom: 8px;
}

.fl-fasta-seq {
    color: var(--fl-green);
    word-break: break-all;
    letter-spacing: 0.05em;
}

/* ============================================================
   카드 그리드 (랜딩)
   ============================================================ */

.fl-hero {
    text-align: center;
    padding: 40px 0 48px;
    border-bottom: 1px solid var(--fl-border-soft);
    margin-bottom: 40px;
}

.fl-hero-eyebrow {
    display: inline-block;
    font-size: 12px;
    color: var(--fl-green);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 700;
    margin-bottom: 16px;
    padding: 4px 14px;
    background: var(--fl-green-soft);
    border-radius: 999px;
}

.fl-hero-title {
    font-family: var(--fl-font-display);
    font-size: 44px;
    color: var(--fl-text-strong);
    margin: 0 0 12px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.fl-hero-subtitle {
    font-size: 17px;
    color: var(--fl-text-muted);
    max-width: 580px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

.fl-hero-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.fl-overview {
    margin: 32px 0;
    padding: 20px 24px;
    background: var(--fl-bg-card);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 18px;
}

.fl-overview-item {
    text-align: center;
}

.fl-overview-num {
    font-family: var(--fl-font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--fl-green);
    display: block;
    line-height: 1;
}

.fl-overview-label {
    font-size: 12px;
    color: var(--fl-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 6px;
    display: block;
}

.fl-chapter-list {
    display: grid;
    gap: 12px;
    margin: 24px 0;
}

.fl-chapter-card {
    background: var(--fl-bg-card);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius);
    padding: 18px 22px;
    text-decoration: none;
    color: var(--fl-text);
    transition: all 0.15s;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 18px;
    align-items: center;
}

.fl-chapter-card:hover {
    background: var(--fl-bg-card-hover);
    border-color: var(--fl-green);
    transform: translateY(-1px);
    color: var(--fl-text);
    text-decoration: none;
}

.fl-chapter-card-no {
    font-family: var(--fl-font-mono);
    font-size: 13px;
    color: var(--fl-text-dim);
    background: var(--fl-bg-soft);
    border: 1px solid var(--fl-border);
    border-radius: 6px;
    padding: 4px 10px;
    flex-shrink: 0;
}

.fl-chapter-card-body {
    flex: 1;
    min-width: 0;
}

.fl-chapter-card-title {
    font-family: var(--fl-font-display);
    font-size: 18px;
    color: var(--fl-text-strong);
    margin: 0 0 4px;
    font-weight: 600;
}

.fl-chapter-card-subtitle {
    font-size: 14px;
    color: var(--fl-text-muted);
    margin: 0;
}

.fl-chapter-card-status {
    flex-shrink: 0;
    text-align: right;
}

.fl-chapter-card-duration {
    font-size: 12px;
    color: var(--fl-text-dim);
}

.fl-chapter-card.is-done {
    border-color: var(--fl-green-border);
}

.fl-chapter-card.is-done .fl-chapter-card-no {
    color: var(--fl-green);
    border-color: var(--fl-green-border);
    background: var(--fl-green-soft);
}

.fl-chapter-card.is-done .fl-chapter-card-no::after {
    content: " ✓";
}

/* ============================================================
   푸터 네비 (이전/다음 챕터)
   ============================================================ */

.fl-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--fl-border-soft);
}

@media (max-width: 600px) {
    .fl-pager {
        grid-template-columns: 1fr;
    }
}

.fl-pager-link {
    background: var(--fl-bg-card);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius);
    padding: 14px 18px;
    text-decoration: none;
    color: var(--fl-text);
    transition: all 0.15s;
    display: block;
}

.fl-pager-link:hover {
    background: var(--fl-bg-card-hover);
    border-color: var(--fl-green);
    color: var(--fl-text);
    text-decoration: none;
}

.fl-pager-label {
    font-size: 11px;
    color: var(--fl-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.fl-pager-title {
    font-family: var(--fl-font-display);
    font-size: 15px;
    color: var(--fl-text-strong);
    margin: 0;
}

.fl-pager-link.is-next {
    text-align: right;
}

.fl-pager-link.is-disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ============================================================
   유틸 클래스
   ============================================================ */

.fl-mt-0 { margin-top: 0; }
.fl-text-center { text-align: center; }
.fl-text-mono { font-family: var(--fl-font-mono); }
.fl-text-green { color: var(--fl-green); }
.fl-text-cyan { color: var(--fl-cyan); }
.fl-text-purple { color: var(--fl-purple); }
.fl-text-muted { color: var(--fl-text-muted); }

/* DNA 스피너 / 로딩 */
@keyframes fl-pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.fl-pulse {
    animation: fl-pulse 2s ease-in-out infinite;
}