/* =========================================================
   구약 왕들 연대표 (Old Testament Kings Timeline)
   - 왕국: 통일(muted gold) / 북이스라엘(teal) / 남유다(restrained blue)
   - 평가 배지 + 왕조 교체/멸망 태그
   - 반응형: >=992 병렬 / 768-991 2열 / <768 탭+단일열
   ========================================================= */

.old-testament-kings-main {
    --otk-radius: 8px;
    --otk-gap: 1rem;

    --otk-united: #b08420;
    --otk-united-soft: rgba(176, 132, 32, 0.12);
    --otk-israel: #2f8f83;
    --otk-israel-soft: rgba(47, 143, 131, 0.12);
    --otk-judah: #3f6fa8;
    --otk-judah-soft: rgba(63, 111, 168, 0.12);

    --otk-good: #3f8f5b;
    --otk-good-soft: rgba(63, 143, 91, 0.14);
    --otk-bad: #b4534b;
    --otk-bad-soft: rgba(180, 83, 75, 0.14);
    --otk-mixed: #9a7b2e;
    --otk-mixed-soft: rgba(154, 123, 46, 0.14);
    --otk-usurp: #8a5aa8;
    --otk-usurp-soft: rgba(138, 90, 168, 0.14);
    --otk-disputed: #6c757d;
    --otk-disputed-soft: rgba(108, 117, 125, 0.14);
    --otk-end: #495057;

    --otk-card-bg: #ffffff;
    --otk-card-border: rgba(0, 0, 0, 0.09);
    --otk-surface: #f7f6f3;
    --otk-text-muted: #6b7280;

    padding-bottom: 3rem;
}

:root[data-theme="dark"] .old-testament-kings-main {
    --otk-united: #d6a94a;
    --otk-united-soft: rgba(214, 169, 74, 0.16);
    --otk-israel: #4bb5a6;
    --otk-israel-soft: rgba(75, 181, 166, 0.16);
    --otk-judah: #6fa0d8;
    --otk-judah-soft: rgba(111, 160, 216, 0.16);

    --otk-good: #5fbf7f;
    --otk-good-soft: rgba(95, 191, 127, 0.18);
    --otk-bad: #e07b72;
    --otk-bad-soft: rgba(224, 123, 114, 0.18);
    --otk-mixed: #d0a94a;
    --otk-mixed-soft: rgba(208, 169, 74, 0.18);
    --otk-usurp: #b78bd4;
    --otk-usurp-soft: rgba(183, 139, 212, 0.18);
    --otk-disputed: #9aa2ab;
    --otk-disputed-soft: rgba(154, 162, 171, 0.18);
    --otk-end: #adb5bd;

    --otk-card-bg: #1e2126;
    --otk-card-border: rgba(255, 255, 255, 0.12);
    --otk-surface: #191c20;
    --otk-text-muted: #9aa2ab;
}

/* ---------- Intro ---------- */
.otk-intro {
    margin: 0.5rem 0 1.5rem;
}
.otk-kicker {
    margin: 0;
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--otk-united);
    font-weight: 700;
}
.otk-intro h2 {
    margin: 0.25rem 0 0.6rem;
    font-size: clamp(1.35rem, 3.5vw, 1.75rem);
    font-weight: 700;
}
.otk-intro-lead {
    margin: 0 0 0.5rem;
    max-width: 60ch;
    line-height: 1.6;
}
.otk-note {
    margin: 0;
    font-size: 0.85rem;
    color: var(--otk-text-muted);
    line-height: 1.55;
}

/* ---------- Summary Strip ---------- */
.otk-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(140px, 22vw, 220px), 1fr));
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}
.otk-summary-chip {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.7rem 0.85rem;
    border-radius: var(--otk-radius);
    background: var(--otk-surface);
    border-left: 4px solid var(--otk-disputed);
}
.otk-summary-united { border-left-color: var(--otk-united); }
.otk-summary-split  { border-left-color: var(--otk-mixed); }
.otk-summary-israel { border-left-color: var(--otk-israel); }
.otk-summary-judah  { border-left-color: var(--otk-judah); }
.otk-summary-label {
    font-weight: 700;
    font-size: 0.9rem;
}
.otk-summary-flow {
    font-size: 0.85rem;
}
.otk-summary-desc {
    font-size: 0.78rem;
    color: var(--otk-text-muted);
}

/* ---------- Filter Bar ---------- */
.otk-filter {
    background: var(--otk-surface);
    border: 1px solid var(--otk-card-border);
    border-radius: var(--otk-radius);
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.otk-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    align-items: flex-end;
}
.otk-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.otk-filter-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--otk-text-muted);
}
.otk-filter-search {
    flex: 1 1 220px;
    min-width: 200px;
}

/* Segmented control */
.otk-segmented {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}
.otk-segmented button {
    border: 1px solid var(--otk-card-border);
    background: var(--otk-card-bg);
    color: inherit;
    border-radius: 999px;
    padding: 0.35rem 0.85rem;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.otk-segmented button.is-active {
    background: var(--otk-judah);
    border-color: var(--otk-judah);
    color: #fff;
    font-weight: 600;
}

/* Checkbox group */
.otk-checkgroup {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.6rem;
}
.otk-check {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--otk-card-border);
    border-radius: 999px;
    font-size: 0.82rem;
    cursor: pointer;
    user-select: none;
}
.otk-check input {
    accent-color: var(--otk-judah);
    cursor: pointer;
}
.otk-check-good  { border-left: 3px solid var(--otk-good); }
.otk-check-bad   { border-left: 3px solid var(--otk-bad); }
.otk-check-mixed { border-left: 3px solid var(--otk-mixed); }
.otk-check-usurp { border-left: 3px solid var(--otk-usurp); }
.otk-check-disputed { border-left: 3px solid var(--otk-disputed); }

/* Search box */
.otk-search-box {
    position: relative;
    display: flex;
    align-items: center;
}
.otk-search-input {
    width: 100%;
    padding: 0.45rem 2rem 0.45rem 0.75rem;
    border: 1px solid var(--otk-card-border);
    border-radius: var(--otk-radius);
    background: var(--otk-card-bg);
    color: inherit;
    font-size: 0.9rem;
}
.otk-search-input:focus {
    outline: 2px solid var(--otk-judah);
    outline-offset: 1px;
}
.otk-search-clear {
    position: absolute;
    right: 0.4rem;
    border: none;
    background: transparent;
    color: var(--otk-text-muted);
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.1rem 0.3rem;
}

/* ---------- Legend ---------- */
.otk-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    align-items: center;
    margin-bottom: 1.25rem;
    font-size: 0.8rem;
}
.otk-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--otk-text-muted);
}
.otk-legend-sep {
    width: 1px;
    align-self: stretch;
    min-height: 1rem;
    background: var(--otk-card-border);
}

/* ---------- Badges & Tags ---------- */
.otk-kingdom-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.6rem;
    padding: 0.1rem 0.45rem;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    background: var(--otk-disputed);
}
.otk-kingdom-united { background: var(--otk-united); }
.otk-kingdom-israel { background: var(--otk-israel); }
.otk-kingdom-judah  { background: var(--otk-judah); }

.otk-eval-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
}
.otk-eval-good     { background: var(--otk-good-soft); color: var(--otk-good); }
.otk-eval-bad      { background: var(--otk-bad-soft); color: var(--otk-bad); }
.otk-eval-mixed    { background: var(--otk-mixed-soft); color: var(--otk-mixed); }
.otk-eval-usurp    { background: var(--otk-usurp-soft); color: var(--otk-usurp); }
.otk-eval-disputed { background: var(--otk-disputed-soft); color: var(--otk-disputed); }

.otk-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.05rem 0.45rem;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 600;
}
.otk-tag-dynasty {
    background: var(--otk-usurp-soft);
    color: var(--otk-usurp);
}
.otk-tag-end {
    background: rgba(73, 80, 87, 0.16);
    color: var(--otk-end);
}

/* ---------- Mobile tabs ---------- */
.otk-mobile-tabs {
    display: none;
    gap: 0.3rem;
    margin-bottom: 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.otk-mobile-tabs button {
    flex: 0 0 auto;
    border: 1px solid var(--otk-card-border);
    background: var(--otk-card-bg);
    color: inherit;
    border-radius: 999px;
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
    cursor: pointer;
    white-space: nowrap;
}
.otk-mobile-tabs button.is-active {
    background: var(--otk-judah);
    border-color: var(--otk-judah);
    color: #fff;
    font-weight: 600;
}

/* ---------- Vertical Timeline (위 → 아래 연대기) ---------- */
.otk-timeline {
    margin-bottom: 1.5rem;
}
.otk-vtimeline {
    position: relative;
    isolation: isolate;
    --otk-spine: clamp(64px, 9vw, 108px); /* 중앙 스파인(연도 노드) 폭 */
}
/* 중앙 세로 스파인 라인 */
.otk-vtimeline::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    transform: translateX(-1px);
    background: var(--otk-card-border);
    z-index: 0;
}
.otk-vtimeline.is-single::before {
    left: calc(var(--otk-spine) / 2);
}

.otk-vtrack {
    list-style: none;
    margin: 0;
    padding: 0;
}
.otk-vtrack.is-hidden {
    display: none;
}

/* 한 행: [좌 카드] [스파인 노드] [우 카드] */
.otk-row {
    display: grid;
    grid-template-columns: 1fr var(--otk-spine) 1fr;
    align-items: start;
    margin-bottom: 0.9rem;
}
.otk-row.is-hidden {
    display: none;
}
.otk-row-node {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding-top: 0.75rem;
    position: relative;
    z-index: 2;
}
.otk-row-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--otk-card-bg);
    box-shadow: 0 0 0 1px var(--otk-card-border);
}
.otk-row-year {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--otk-text-muted);
    white-space: nowrap;
}
.otk-row-card {
    min-width: 0; /* grid 아이템 오버플로 방지 */
    position: relative;
    z-index: 1;
}
.otk-row-card.is-hidden {
    display: none;
}
/* 북이스라엘 → 좌측, 남유다 → 우측 */
.otk-row-israel .otk-row-card { grid-column: 1; }
.otk-row-judah  .otk-row-card { grid-column: 3; }
.otk-row-card-israel { grid-column: 1; }
.otk-row-card-judah  { grid-column: 3; }
/* 통일왕국 → 중앙 정렬 */
.otk-row-united .otk-row-card {
    grid-column: 1 / -1;
    justify-self: center;
    width: 100%;
    max-width: 440px;
}

/* 시대 마커 (분열 / 멸망) */
.otk-era {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.1rem;
    text-align: center;
    margin: 0.25rem auto 1.1rem;
    padding: 0.4rem 1rem;
    width: max-content;
    max-width: 90%;
    position: relative;
    z-index: 2;
    background: var(--otk-surface);
    border: 1px solid var(--otk-card-border);
    border-radius: 999px;
}
.otk-era.is-hidden {
    display: none;
}
.otk-era-title {
    font-size: 0.82rem;
    font-weight: 700;
}
.otk-era-year {
    font-size: 0.72rem;
    color: var(--otk-text-muted);
}
.otk-era[data-era="split"] { border-color: var(--otk-mixed); }
.otk-era[data-era="israel-fall"] { border-color: var(--otk-israel); }
.otk-era[data-era="judah-fall"] { border-color: var(--otk-judah); }
.otk-row-dot-split { background: var(--otk-mixed); }

/* 단일 왕국 선택 시: 좌측 단일 열로 접기 */
.otk-vtimeline.is-single .otk-row {
    grid-template-columns: var(--otk-spine) 1fr;
}
.otk-vtimeline.is-single .otk-row-node { grid-column: 1; }
.otk-vtimeline.is-single .otk-row-israel .otk-row-card,
.otk-vtimeline.is-single .otk-row-judah .otk-row-card,
.otk-vtimeline.is-single .otk-row-paired .otk-row-card,
.otk-vtimeline.is-single .otk-row-united .otk-row-card {
    grid-column: 2;
    justify-self: stretch;
    max-width: none;
}
.otk-vtimeline.is-single .otk-era {
    margin-left: 0;
    margin-right: auto;
}

/* ---------- King Card ---------- */
.otk-king-card {
    background: var(--otk-card-bg);
    border: 1px solid var(--otk-card-border);
    border-left: 4px solid var(--otk-disputed);
    border-radius: var(--otk-radius);
    padding: 0.75rem 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    scroll-margin-top: 90px;
    transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.otk-king-card[data-kingdom="united"] { border-left-color: var(--otk-united); }
.otk-king-card[data-kingdom="israel"] { border-left-color: var(--otk-israel); }
.otk-king-card[data-kingdom="judah"]  { border-left-color: var(--otk-judah); }
.otk-king-card.is-hidden { display: none; }

.otk-king-card.is-selected {
    box-shadow: 0 0 0 2px var(--otk-judah);
    border-color: var(--otk-judah);
}
.otk-king-card.is-contemporary {
    box-shadow: 0 0 0 2px var(--otk-mixed);
}
.otk-king-card.is-flash {
    animation: otk-flash 1.5s ease;
}
@keyframes otk-flash {
    0%, 30% { background: var(--otk-mixed-soft); }
    100% { background: var(--otk-card-bg); }
}

.otk-king-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}
.otk-reign-range {
    font-size: 0.72rem;
    color: var(--otk-text-muted);
}
.otk-king-card-titlerow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.otk-king-name {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0;
}
.otk-king-summary {
    font-size: 0.83rem;
    line-height: 1.5;
    margin: 0;
    color: var(--otk-text-muted);
}
.otk-king-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
}
.otk-king-dynasty {
    font-size: 0.72rem;
    color: var(--otk-text-muted);
}
.otk-detail-button {
    align-self: flex-start;
    margin-top: 0.15rem;
    border: 1px solid var(--otk-card-border);
    background: transparent;
    color: inherit;
    border-radius: 6px;
    padding: 0.25rem 0.7rem;
    font-size: 0.78rem;
    cursor: pointer;
}
.otk-detail-button:hover {
    border-color: var(--otk-judah);
    color: var(--otk-judah);
}

/* ---------- Empty state ---------- */
.otk-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--otk-text-muted);
    font-size: 0.9rem;
}

/* ---------- Detail Dialog ---------- */
.otk-detail-dialog {
    width: min(720px, calc(100vw - 2rem));
    max-height: min(82vh, 760px);
    margin: auto;
    padding: 0;
    border: none;
    border-radius: var(--otk-radius);
    background: transparent;
    color: inherit;
    overflow: hidden;
}
.otk-detail-dialog::backdrop {
    background: rgba(15, 23, 42, 0.48);
    backdrop-filter: blur(2px);
}
.otk-detail-dialog[open] {
    display: flex;
}
.otk-detail:not(.is-open) {
    display: none;
}
.otk-detail.is-open {
    width: 100%;
    max-height: inherit;
    overflow-y: auto;
}
.otk-detail-card {
    position: relative;
    background: var(--otk-card-bg);
    border: 1px solid var(--otk-card-border);
    border-radius: var(--otk-radius);
    padding: 1.4rem;
    width: 100%;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
}
.otk-detail-close {
    position: absolute;
    top: 0.6rem;
    right: 0.75rem;
    border: none;
    background: transparent;
    color: var(--otk-text-muted);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
}
.otk-detail-head {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}
.otk-detail-name {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 0.15rem;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.otk-detail-en {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--otk-text-muted);
}
.otk-detail-reign,
.otk-detail-relation {
    font-size: 0.82rem;
    color: var(--otk-text-muted);
    margin: 0 0 0.15rem;
}
.otk-detail-note {
    font-size: 0.8rem;
    color: var(--otk-usurp);
    margin: 0.4rem 0 0;
}
.otk-detail-section {
    margin-top: 1rem;
}
.otk-detail-subtitle {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--otk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.4rem;
}
.otk-detail-events {
    margin: 0;
    padding-left: 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.88rem;
    line-height: 1.5;
}
.otk-detail-summary {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.6;
}
.otk-detail-refs,
.otk-detail-contemporaries {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.otk-ref-link {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    background: var(--otk-judah-soft);
    color: var(--otk-judah);
    font-size: 0.82rem;
    text-decoration: none;
    font-weight: 600;
}
.otk-ref-link:hover { text-decoration: underline; }
.otk-contemporary-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--otk-card-border);
    border-radius: 6px;
    background: var(--otk-card-bg);
    color: inherit;
    font-size: 0.82rem;
    cursor: pointer;
}
.otk-contemporary-link:hover { border-color: var(--otk-mixed); }
.otk-detail-muted {
    font-size: 0.82rem;
    color: var(--otk-text-muted);
    margin: 0;
}
.otk-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 1rem;
}
.otk-detail-tag {
    font-size: 0.72rem;
    color: var(--otk-text-muted);
}

/* ---------- Related ---------- */
.otk-related {
    border-top: 1px solid var(--otk-card-border);
    padding-top: 1.25rem;
}
.otk-related-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 0.6rem;
}
.otk-related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.otk-related-links a {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--otk-card-border);
    border-radius: var(--otk-radius);
    background: var(--otk-surface);
    color: inherit;
    text-decoration: none;
    font-size: 0.85rem;
}
.otk-related-links a:hover {
    border-color: var(--otk-judah);
}

/* =========================================================
   반응형
   ========================================================= */

/* 모바일: 왕국 탭 + 스파인을 좌측으로 이동한 단일 세로열
   (통일 → 북/남 즉위 연도순 병합, 각 카드에 왕국 배지) */
@media (max-width: 767.98px) {
    .otk-mobile-tabs {
        display: flex;
    }
    /* 데스크톱 왕국 segmented는 모바일 탭으로 대체 */
    .otk-filter-row .otk-filter-group:first-child {
        display: none;
    }
    .otk-vtimeline {
        --otk-spine: 56px;
    }
    .otk-vtimeline::before {
        left: calc(var(--otk-spine) / 2);
    }
    .otk-row {
        grid-template-columns: var(--otk-spine) 1fr;
    }
    .otk-row-node {
        grid-column: 1;
    }
    .otk-row-israel .otk-row-card,
    .otk-row-judah .otk-row-card,
    .otk-row-paired .otk-row-card,
    .otk-row-united .otk-row-card {
        grid-column: 2;
        justify-self: stretch;
        width: auto;
        max-width: none;
    }
    .otk-era {
        margin-left: 0;
        margin-right: auto;
    }
    .otk-detail-card {
        padding: 1rem;
    }
}

/* 모션 최소화 */
@media (prefers-reduced-motion: reduce) {
    .otk-king-card,
    .otk-segmented button {
        transition: none;
    }
    .otk-king-card.is-flash {
        animation: none;
    }
}