:root {
    --ko-bg: linear-gradient(180deg, #f7fafc 0%, #eef3f9 100%);
    --ko-panel: rgba(255, 255, 255, 0.92);
    --ko-panel-border: rgba(30, 64, 175, 0.08);
    --ko-ink: #10233f;
    --ko-muted: #5f6f86;
    --ko-accent: #123b78;
    --ko-accent-soft: #dce7fb;
    --ko-up: #ff1744;
    --ko-down: #2979ff;
    --ko-flat: #8a94a8;
    --ko-line: #00a6c7;
    --ko-band: rgba(0, 166, 199, 0.12);
}

.ko-futures-page {
    font-family: "Noto Sans KR", sans-serif;
    color: var(--ko-ink);
}

/* 데스크탑(≥992px)에서 페이지 전체 가로폭을 살짝 좁힌다 (container-xxl 1320px → 1100px). */
@media (min-width: 992px) {
    .ko-futures-page {
        max-width: 1100px;
    }
}

.ko-futures-page h1,
.ko-futures-page h2,
.ko-futures-page h3,
.ko-futures-page h4,
.ko-futures-page h5 {
    letter-spacing: -0.03em;
}

.ko-hero,
.ko-section,
.ko-chart-card,
.ko-modal-content {
    background: var(--ko-panel);
    border: 1px solid var(--ko-panel-border);
    box-shadow: 0 18px 48px rgba(16, 35, 63, 0.08);
}

.ko-hero {
    background-image: radial-gradient(circle at top right, rgba(18, 59, 120, 0.16), transparent 34%), var(--ko-bg);
    border-radius: 28px;
    display: grid;
    gap: 1.5rem;
    /* 카피(위) + 메타(아래) 세로 스택 — 메타가 전체 폭을 써서 5개 카드를 넓게 펼친다. */
    grid-template-columns: 1fr;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.ko-eyebrow {
    color: var(--ko-accent);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
}

.ko-hero h1 {
    font-size: clamp(2rem, 3.5vw, 3rem);
    margin-bottom: 0.9rem;
}

.ko-hero-text {
    color: var(--ko-muted);
    line-height: 1.7;
    margin: 0;
    max-width: 62ch;
}

.ko-hero-meta {
    display: grid;
    gap: 1rem;
}

/* 해외 시장 지표 미니 카드 그리드 — 데스크탑은 5개 한 줄, 좁아지면 자동 줄바꿈 */
.ko-meta-markets {
    display: grid;
    gap: 0.8rem;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.ko-market-mini {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(18, 59, 120, 0.08);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.6rem 0.7rem;
}

.ko-market-mini-name {
    color: var(--ko-muted);
    font-size: 0.74rem;
    font-weight: 700;
}

.ko-market-mini-price {
    font-size: 1.1rem;
    font-weight: 800;
    line-height: 1.15;
}

.ko-market-mini-change {
    font-size: 0.78rem;
    font-weight: 700;
}

.ko-market-mini.is-up .ko-market-mini-change {
    color: var(--ko-up);
}

.ko-market-mini.is-down .ko-market-mini-change {
    color: var(--ko-down);
}

.ko-market-mini.is-flat .ko-market-mini-change {
    color: var(--ko-flat);
}

/* 마지막 업데이트 카드(왼쪽) + 새로고침 버튼 한 줄 배치.
   둘 다 왼쪽 정렬하고, 버튼은 옆 카드처럼 네모나게(높이 동일) 만든다. */
.ko-meta-footer {
    align-items: stretch;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: flex-start;
}

.ko-meta-footer .ko-meta-card-compact {
    flex: 0 1 320px;
    min-width: 220px;
    padding: 0.9rem 1.1rem;
}

.ko-meta-refresh {
    align-self: stretch;            /* 옆 카드와 같은 높이 → 네모난 카드 모양 */
    flex: 0 0 auto;
    min-width: 150px;
    border-radius: 16px;            /* 알약 → 카드형 모서리 */
    padding: 0.7rem 1.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.ko-meta-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(18, 59, 120, 0.08);
    border-radius: 20px;
    padding: 1.15rem 1.25rem;
}

.ko-meta-card strong,
.ko-meta-card small {
    display: block;
}

.ko-meta-label {
    color: var(--ko-muted);
    display: block;
    font-size: 0.82rem;
    margin-bottom: 0.35rem;
}

.ko-section {
    border-radius: 24px;
    margin-bottom: 1.5rem;
    padding: 1.4rem;
}

.ko-section-header {
    align-items: baseline;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.ko-section-header h2 {
    font-size: 1.2rem;
    margin: 0;
}

.ko-section-note {
    color: var(--ko-muted);
    font-size: 0.92rem;
}

.ko-index-bar {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.ko-index-card {
    background: linear-gradient(135deg, #122d5b 0%, #1e4480 100%);
    border-radius: 20px;
    color: #fff;
    padding: 1.1rem 1.2rem;
}

.ko-index-card strong {
    display: block;
    font-size: 1.6rem;
    margin: 0.35rem 0;
}

.ko-index-card small,
.ko-index-name {
    color: rgba(255, 255, 255, 0.84);
}

.ko-index-card.is-placeholder {
    opacity: 0.8;
}

.ko-query-panel {
    align-items: end;
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(160px, 240px) minmax(220px, 1fr) auto;
}

.ko-field {
    min-width: 0;
}

.ko-field label {
    color: var(--ko-muted);
    display: block;
    font-size: 0.86rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.ko-action-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: flex-end;
}

.ko-btn-primary,
.ko-btn-secondary,
.ko-btn-ghost {
    border-radius: 999px;
    font-weight: 700;
    padding: 0.72rem 1.1rem;
}

.ko-btn-primary {
    background: var(--ko-accent);
    border: 1px solid var(--ko-accent);
    color: #fff;
}

.ko-btn-primary:hover {
    background: #0d2f61;
    color: #fff;
}

.ko-btn-secondary {
    background: #edf3ff;
    border: 1px solid #cad9f7;
    color: var(--ko-accent);
}

.ko-btn-secondary:hover {
    background: #dfeaff;
    color: var(--ko-accent);
}

.ko-btn-ghost {
    background: #fff;
    border: 1px solid #d7e0ee;
    color: var(--ko-ink);
}

.ko-btn-ghost:hover {
    background: #f6f9fd;
}

.ko-inline-status {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.ko-status-chip {
    background: #f5f8fd;
    border: 1px solid #d9e4f2;
    border-radius: 999px;
    color: var(--ko-muted);
    font-size: 0.9rem;
    padding: 0.55rem 0.9rem;
}

.ko-favorites-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.ko-empty-card,
.ko-favorite-card {
    border-radius: 22px;
    min-height: 170px;
}

.ko-empty-card {
    align-items: center;
    background: linear-gradient(135deg, #eef4fb 0%, #f7fbff 100%);
    border: 1px dashed #bfd0e8;
    color: var(--ko-muted);
    display: flex;
    justify-content: center;
    padding: 1.3rem;
    text-align: center;
}

.ko-favorite-card {
    background: #fff;
    border: 1px solid #dde7f4;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.1rem;
    position: relative;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.ko-favorite-card:hover,
.ko-favorite-card.is-active {
    border-color: rgba(18, 59, 120, 0.35);
    box-shadow: 0 14px 34px rgba(18, 59, 120, 0.12);
    transform: translateY(-2px);
}

.ko-favorite-card.is-up {
    border-top: 4px solid var(--ko-up);
}

.ko-favorite-card.is-down {
    border-top: 4px solid var(--ko-down);
}

.ko-favorite-card.is-flat {
    border-top: 4px solid var(--ko-flat);
}

.ko-card-top {
    align-items: start;
    display: flex;
    gap: 0.75rem;
    justify-content: space-between;
}

.ko-card-market {
    color: var(--ko-muted);
    display: block;
    font-size: 0.8rem;
    margin-bottom: 0.15rem;
}

.ko-card-code {
    color: var(--ko-muted);
    font-size: 0.85rem;
}

.ko-card-name {
    font-size: 1rem;
    font-weight: 700;
}

.ko-card-remove {
    background: transparent;
    border: 0;
    color: #8d9ab0;
    font-size: 1rem;
    padding: 0.1rem 0.2rem;
}

.ko-card-price {
    font-size: 1.9rem;
    font-weight: 700;
}

.ko-card-change {
    font-size: 1rem;
    font-weight: 700;
}

.is-up .ko-card-change,
.is-up .ko-detail-price,
.is-up .ko-sign-text {
    color: var(--ko-up);
}

.is-down .ko-card-change,
.is-down .ko-detail-price,
.is-down .ko-sign-text {
    color: var(--ko-down);
}

.is-flat .ko-card-change,
.is-flat .ko-detail-price,
.is-flat .ko-sign-text {
    color: var(--ko-flat);
}

.ko-detail-shell {
    background: linear-gradient(180deg, #f9fbfe 0%, #ffffff 100%);
    border: 1px solid #e1e9f4;
    border-radius: 24px;
    padding: 1.25rem;
}

.ko-detail-hero {
    align-items: end;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.ko-detail-market {
    color: var(--ko-accent);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 0.45rem;
    text-transform: uppercase;
}

.ko-detail-hero h3 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.ko-detail-code {
    color: var(--ko-muted);
    margin: 0;
}

.ko-detail-price {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    text-align: right;
}

.ko-detail-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ko-data-panel {
    background: #fff;
    border: 1px solid #e3ebf6;
    border-radius: 20px;
    padding: 1rem;
}

.ko-data-panel h4 {
    font-size: 1rem;
    margin-bottom: 0.8rem;
}

.ko-data-panel dl {
    display: grid;
    gap: 0.6rem;
    margin: 0;
}

.ko-data-panel dl div {
    align-items: center;
    border-bottom: 1px dashed #edf1f7;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    padding-bottom: 0.55rem;
}

.ko-data-panel dl div:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.ko-data-panel dt {
    color: var(--ko-muted);
    font-size: 0.92rem;
}

.ko-data-panel dd {
    font-weight: 700;
    margin: 0;
    text-align: right;
}

.ko-greeks-grid {
    display: grid;
    gap: 0.9rem;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.ko-greek-card,
.ko-volatility-panel {
    background: #f7f9fc;
    border: 1px solid #dee7f3;
    border-radius: 20px;
}

.ko-greek-card {
    padding: 1rem;
}

.ko-greek-card span,
.ko-volatility-panel span {
    color: var(--ko-muted);
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

.ko-greek-card strong {
    font-size: 1.35rem;
}

.ko-volatility-panel {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    margin-top: 1rem;
    padding: 1rem;
}

.ko-chart-toolbar {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.ko-market-status {
    align-items: flex-start;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.ko-market-status-label {
    color: var(--ko-muted);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ko-market-status-main {
    align-items: center;
    display: inline-flex;
    gap: 0.5rem;
}

.ko-status-light {
    background: #d65a66;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(214, 90, 102, 0.4);
    display: inline-block;
    height: 12px;
    width: 12px;
}

.ko-status-light.is-open {
    background: #28b463;
    box-shadow: 0 0 0 6px rgba(40, 180, 99, 0.16);
}

.ko-status-light.is-closed {
    background: #d65a66;
    box-shadow: 0 0 0 6px rgba(214, 90, 102, 0.12);
}

.ko-chart-card {
    border-radius: 24px;
    padding: 1rem;
}

.ko-modal-content {
    border-radius: 28px;
}

.ko-market-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.ko-market-tab {
    background: #f4f7fb;
    border: 1px solid #d7e2f0;
    border-radius: 999px;
    color: var(--ko-ink);
    font-weight: 700;
    padding: 0.55rem 0.9rem;
}

.ko-market-tab.is-active {
    background: var(--ko-accent);
    border-color: var(--ko-accent);
    color: #fff;
}

.ko-modal-toolbar {
    align-items: center;
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(240px, 1fr) auto;
    margin-bottom: 1rem;
}

.ko-modal-selected {
    color: var(--ko-muted);
    font-size: 0.92rem;
}

.ko-modal-table-wrap {
    border: 1px solid #e1e8f3;
    border-radius: 20px;
    overflow: hidden;
}

.ko-modal-table {
    margin-bottom: 0;
}

.ko-modal-table tbody tr {
    cursor: pointer;
}

.ko-modal-table tbody tr.is-selected {
    background: rgba(18, 59, 120, 0.08);
}

.ko-sign-up {
    color: var(--ko-up);
}

.ko-sign-down {
    color: var(--ko-down);
}

.ko-sign-flat {
    color: var(--ko-flat);
}

/* 코스피 야간선물 — 컨트롤 행 */
.ko-night-control {
    align-items: end;
    display: grid;
    gap: 1.25rem;
    grid-template-columns: minmax(220px, 1fr) minmax(220px, 1.1fr) auto;
}

.ko-field-wide {
    min-width: 0;
}

.ko-headline {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.ko-headline-label {
    color: var(--ko-muted);
    font-size: 0.86rem;
    font-weight: 700;
}

.ko-headline-price {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.05;
}

.ko-headline-change {
    font-size: 1rem;
    font-weight: 700;
}

.ko-headline-base {
    color: var(--ko-muted);
    font-size: 0.82rem;
    font-weight: 600;
}

.ko-section-title {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.ko-change-badge {
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    padding: 0.2rem 0.7rem;
}

.ko-change-badge:empty {
    display: none;
}

.ko-change-badge.ko-sign-up {
    background: rgba(255, 23, 68, 0.1);
}

.ko-change-badge.ko-sign-down {
    background: rgba(41, 121, 255, 0.1);
}

.ko-change-badge.ko-sign-flat {
    background: rgba(138, 148, 168, 0.12);
}

/* 차트 높이 2배 — 위아래 움직임 극대화 */
.ko-chart-card-tall {
    height: 320px;
    position: relative;
}

@media (max-width: 991.98px) {
    .ko-night-control {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 575.98px) {
    .ko-night-control {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 991.98px) {
    .ko-hero,
    .ko-query-panel,
    .ko-detail-grid {
        grid-template-columns: 1fr;
    }

    .ko-action-group {
        justify-content: flex-start;
    }

    .ko-detail-hero {
        align-items: start;
        flex-direction: column;
    }

    .ko-detail-price {
        text-align: left;
    }
}

@media (max-width: 767.98px) {
    .ko-section,
    .ko-hero {
        border-radius: 22px;
        padding: 1.1rem;
    }

    .ko-favorites-grid {
        display: flex;
        overflow-x: auto;
        padding-bottom: 0.25rem;
        scroll-snap-type: x proximity;
    }

    .ko-favorite-card,
    .ko-empty-card {
        min-width: 260px;
        scroll-snap-align: start;
    }

    .ko-modal-toolbar {
        grid-template-columns: 1fr;
    }
}