/* 다우선물 실시간 - Dark Terminal 테마 */

/* ===== 기본 리셋 + 레이아웃 (hub-common.css 대체) ===== */
* { box-sizing: border-box; }
body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
.hub-container {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 16px 24px;
}
.hub-hero {
    padding: 20px 0 16px;
    margin-bottom: 12px;
}
.hub-hero h1 { font-size: 1.5rem; font-weight: 900; margin: 0 0 8px; }
.hub-hero p { font-size: .95rem; margin: 0; }
.hub-hero-sub { font-size: .85rem; margin-bottom: 4px; }

:root {
    --dt-bg: #0A0E17;
    --dt-card: #111827;
    --dt-border: #1E293B;
    --dt-text: #E2E8F0;
    --dt-text-dim: #64748B;
    --dt-cyan: #06B6D4;
    --dt-green: #22C55E;
    --dt-red: #EF4444;
    --dt-amber: #F59E0B;
    --dt-purple: #A78BFA;
    --dt-up: #22C55E;
    --dt-up-bg: rgba(34,197,94,0.1);
    --dt-down: #EF4444;
    --dt-down-bg: rgba(239,68,68,0.1);
    --dt-shadow: 0 2px 12px rgba(0,0,0,0.3);
    --dt-radius: 8px;
}

body {
    background: var(--dt-bg) !important;
    color: var(--dt-text) !important;
}

/* ===== 컨테이너 (다크 오버라이드) ===== */

/* ===== 네비바 ===== */
.site-nav {
    background: var(--dt-card);
    border-bottom: 1px solid var(--dt-border);
    position: relative;
}
.site-nav-inner {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 20px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.site-nav-logo {
    font-size: .92rem;
    font-weight: 800;
    color: var(--dt-cyan);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.site-nav-links { display: flex; gap: 16px; }
.site-nav-links a {
    font-size: .82rem;
    color: var(--dt-text-dim);
    text-decoration: none;
    transition: color .15s;
}
.site-nav-links a:hover { color: var(--dt-cyan); }

/* ===== 히어로 (다크 오버라이드) ===== */
.hub-hero {
    background: none !important;
}
.hub-hero-sub {
    font-size: .75rem;
    color: var(--dt-text-dim) !important;
    opacity: 1;
    margin-bottom: 4px !important;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.hub-hero h1 {
    color: var(--dt-cyan) !important;
    margin-bottom: 6px !important;
}
.hub-hero p {
    color: var(--dt-text-dim) !important;
    font-size: 1rem;
}

/* ===== 티커 바 ===== */
.dt-ticker-bar {
    display: flex;
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    overflow: hidden;
    margin-bottom: 12px;
}
.dt-ticker-item {
    flex: 1;
    padding: 10px 8px;
    text-align: center;
    border-right: 1px solid var(--dt-border);
    cursor: pointer;
    transition: background .15s;
}
.dt-ticker-item:last-child { border-right: none; }
.dt-ticker-item:hover { background: rgba(6,182,212,0.04); }
.dt-ticker-item.active {
    border-bottom: 2px solid var(--dt-cyan);
    background: rgba(6,182,212,0.06);
}
.dt-ticker-name {
    font-size: 9px;
    color: var(--dt-text-dim);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 2px;
}
.dt-ticker-val {
    font-size: 16px;
    font-weight: 800;
    font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    line-height: 1.3;
}
.dt-ticker-chg {
    font-size: 10px;
    font-weight: 600;
    margin-top: 1px;
}

/* ===== 가격 히어로 ===== */
.dt-price-hero {
    text-align: center;
    padding: 20px 16px;
}
.dt-price-label {
    font-size: 10px;
    color: var(--dt-text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 4px;
}
.dt-price-big {
    font-size: 48px;
    font-weight: 900;
    font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    letter-spacing: -1px;
    line-height: 1.1;
}
.dt-price-change {
    font-size: 16px;
    font-weight: 700;
    margin-top: 4px;
}
.dt-price-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 8px;
    font-size: 10px;
    color: var(--dt-text-dim);
}

/* ===== 섹션 타이틀 ===== */
.nf-section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dt-cyan);
    margin: 20px 0 8px 0;
    padding-left: 10px;
    border-left: 2px solid var(--dt-cyan);
}

/* ===== 차트 섹션 ===== */
.nf-chart-section {
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    overflow: hidden;
    margin-bottom: 8px;
}
.nf-chart-tabs {
    display: flex;
    gap: 4px;
    padding: 10px 12px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--dt-border);
}
.nf-tab {
    padding: 6px 14px;
    border-radius: 4px;
    background: transparent;
    border: 1px solid var(--dt-border);
    color: var(--dt-text-dim);
    font-size: 0.82rem;
    font-weight: 600;
    font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    cursor: pointer;
    transition: all 0.15s;
}
.nf-tab:hover {
    border-color: var(--dt-cyan);
    color: var(--dt-cyan);
}
/* 기본(dow) 탭 active */
.nf-tab.active {
    background: var(--dt-cyan);
    border-color: var(--dt-cyan);
    color: #000;
}
/* 나스닥 탭 active */
.nf-tab.active[data-tab="nasdaq"],
.nf-tab.active.tab-nasdaq {
    background: var(--dt-green);
    border-color: var(--dt-green);
    color: #000;
}
/* S&P 500 탭 active */
.nf-tab.active[data-tab="sp500"],
.nf-tab.active.tab-sp500 {
    background: var(--dt-amber);
    border-color: var(--dt-amber);
    color: #000;
}
/* 러셀 탭 active */
.nf-tab.active[data-tab="russell"],
.nf-tab.active.tab-russell {
    background: var(--dt-purple);
    border-color: var(--dt-purple);
    color: #fff;
}
.nf-tab.closed {
    border-color: var(--dt-border);
    color: #4a5568;
    background: rgba(30,41,59,0.5);
}
.nf-tab.closed:hover {
    border-color: #4a5568;
    color: #64748B;
}
.nf-tab.closed.active {
    background: #4a5568;
    border-color: #4a5568;
    color: #1a1a2e;
}
.nf-tab.closed::after {
    content: '마감';
    font-size: 8px;
    font-weight: 700;
    background: rgba(239,68,68,0.2);
    color: var(--dt-red);
    padding: 1px 4px;
    border-radius: 2px;
    margin-left: 4px;
    vertical-align: middle;
}
.nf-tab-hint {
    font-size: 0.72rem;
    color: var(--dt-text-dim);
    align-self: center;
    margin-left: 6px;
}
.nf-chart-wrap {
    position: relative;
    background: var(--dt-bg);
    height: 360px;
    padding: 12px;
}
.nf-chart-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}
.nf-chart-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.85rem;
    color: var(--dt-text-dim);
}
.nf-chart-loading.hidden { display: none; }

/* ===== 차트 요약 ===== */
.nf-chart-summary {
    padding: 14px 16px;
    background: var(--dt-card);
    border-top: 1px solid var(--dt-border);
}
.nf-night-price-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 6px;
}
.nf-night-val {
    font-size: 28px;
    font-weight: 900;
    font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
}
.nf-night-change {
    font-size: 14px;
    font-weight: 700;
}
.nf-night-label {
    font-size: 10px;
    color: var(--dt-text-dim);
    text-transform: uppercase;
    letter-spacing: .5px;
}
.nf-night-detail-row {
    display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--dt-text-dim);
}
.nf-night-detail-row b {
    color: var(--dt-text);
    font-weight: 600;
}

/* ===== 등락 색상 ===== */
.nf-color-up { color: var(--dt-green); }
.nf-color-down { color: var(--dt-red); }
.nf-color-flat { color: var(--dt-text-dim); }

/* ===== OHLC 바 ===== */
.dt-ohlc-bar {
    display: flex;
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    overflow: hidden;
    margin-bottom: 12px;
}
.dt-ohlc-item {
    flex: 1;
    padding: 8px 6px;
    text-align: center;
    border-right: 1px solid var(--dt-border);
}
.dt-ohlc-item:last-child { border-right: none; }
.dt-ohlc-label {
    font-size: 9px;
    color: var(--dt-text-dim);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 2px;
}
.dt-ohlc-val {
    font-size: 13px;
    font-weight: 700;
    font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
}

/* ===== TradingView 미니 그래프 ===== */
.nf-tv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}
.nf-tv-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}
.nf-tv-card {
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    overflow: hidden;
    height: 180px;
    position: relative;
}
.nf-tv-card .tradingview-widget-container {
    width: 100%;
    height: 100%;
}
.nf-tv-card .tradingview-widget-container__widget {
    width: 100%;
    height: 100%;
}
.nf-tv-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
    cursor: default;
}

/* ===== 변동률 티커 ===== */
.nf-ticker-wrap {
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    overflow: hidden;
    margin-bottom: 20px;
    height: 78px;
    position: relative;
}
.nf-ticker-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
    cursor: default;
}
.nf-ticker-wrap .tradingview-widget-container {
    width: 100%;
    height: 100%;
}

/* ===== 상세 차트 (TradingView Advanced) ===== */
.nf-detail-section {
    margin: 16px 0 8px;
}
.nf-detail-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.nf-dtab {
    padding: 6px 14px;
    border-radius: 4px;
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    color: var(--dt-text-dim);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}
.nf-dtab:hover {
    border-color: var(--dt-cyan);
    color: var(--dt-cyan);
}
.nf-dtab.active {
    background: var(--dt-cyan);
    border-color: var(--dt-cyan);
    color: #000;
}
.nf-detail-chart-wrap {
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    overflow: hidden;
    height: 420px;
    position: relative;
}
.nf-detail-chart-wrap .tradingview-widget-container {
    width: 100%;
    height: 100%;
}
.nf-detail-chart-wrap .tradingview-widget-container__widget {
    width: 100%;
    height: 100%;
}

/* ===== CTA 배너 ===== */
.nf-cta-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    margin: 24px 0;
    background: var(--dt-card);
    border: 1px solid rgba(6,182,212,0.3);
    border-radius: var(--dt-radius);
    text-decoration: none;
    color: var(--dt-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.nf-cta-banner:hover {
    border-color: var(--dt-cyan);
    box-shadow: 0 0 16px rgba(6,182,212,0.15);
    text-decoration: none;
    color: var(--dt-text);
}
.nf-cta-icon { font-size: 24px; flex-shrink: 0; }
.nf-cta-text { flex: 1; line-height: 1.4; }
.nf-cta-text strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dt-cyan);
}
.nf-cta-text small {
    display: block;
    font-size: 0.78rem;
    color: var(--dt-text-dim);
    margin-top: 2px;
}
.nf-cta-arrow { font-size: 1.2rem; color: var(--dt-text-dim); flex-shrink: 0; }

/* ===== 거래 시간 ===== */
.nf-schedule {
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    padding: 0;
    margin-bottom: 8px;
    overflow: hidden;
}
.nf-schedule-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid var(--dt-border);
    font-size: 0.88rem;
}
.nf-schedule-row:last-child { border-bottom: none; }
.nf-schedule-name {
    color: var(--dt-text);
    font-weight: 600;
    flex: 1;
}
.nf-schedule-time {
    color: var(--dt-text-dim);
    flex: 1.5;
    text-align: center;
    font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.82rem;
}
.nf-schedule-status {
    font-size: 0.72rem;
    padding: 3px 10px;
    border-radius: 4px;
    font-weight: 600;
    min-width: 52px;
    text-align: center;
}
.nf-schedule-status.is-open,
.nf-status-open {
    background: rgba(34,197,94,0.15);
    color: var(--dt-green);
}
.nf-schedule-status.is-closed,
.nf-status-closed {
    background: rgba(100,116,139,0.15);
    color: var(--dt-text-dim);
}

/* ===== 광고 ===== */
.nf-ad-slot {
    margin: 20px 0;
    background: var(--dt-card);
    border: 1px dashed var(--dt-border);
    border-radius: var(--dt-radius);
    color: var(--dt-text-dim);
    text-align: center;
}

/* ===== SEO 콘텐츠 ===== */
.nf-seo-section {
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    padding: 24px;
    margin-top: 16px;
}
.nf-seo-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dt-cyan);
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--dt-border);
}
.nf-seo-section h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 18px 0 6px;
    color: var(--dt-text);
    padding-left: 10px;
    border-left: 2px solid var(--dt-cyan);
}
.nf-seo-section p {
    font-size: 0.88rem;
    color: var(--dt-text-dim);
    line-height: 1.7;
    margin: 0 0 12px 4px;
}
.nf-txt-b {
    font-weight: 600;
    color: var(--dt-text);
}
.nf-txt-hl {
    color: var(--dt-cyan);
    font-weight: 600;
}
.nf-txt-ul {
    text-decoration: underline;
    text-decoration-color: var(--dt-cyan);
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}

/* ===== FAQ ===== */
.nf-faq-item {
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    margin-bottom: 6px;
    overflow: hidden;
}
.nf-faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 14px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dt-text);
    cursor: pointer;
    background: none;
    border: none;
    text-align: left;
    transition: color .15s;
}
.nf-faq-q:hover { color: var(--dt-cyan); }
.nf-faq-arrow {
    font-size: 0.6rem;
    color: var(--dt-text-dim);
    transition: transform 0.2s;
    flex-shrink: 0;
    margin-left: 12px;
}
.nf-faq-arrow.open { transform: rotate(180deg); }
.nf-faq-a {
    display: none;
    padding: 0 16px 14px;
    font-size: 0.85rem;
    color: var(--dt-text-dim);
    line-height: 1.7;
}
.nf-faq-a.show,
.nf-faq-item.open .nf-faq-a { display: block; }

/* ===== 면책 ===== */
.nf-disclaimer {
    background: var(--dt-card);
    border-radius: var(--dt-radius);
    padding: 16px;
    font-size: 10px;
    color: var(--dt-text-dim);
    text-align: center;
    line-height: 1.5;
    margin-top: 12px;
}

/* ===== 교차 링크 ===== */
.nf-crosslinks {
    margin-top: 24px;
}
.nf-crosslinks-title {
    text-align: center;
    font-size: 0.82rem;
    color: var(--dt-text-dim);
    margin-bottom: 12px;
}
.nf-crosslinks-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.nf-cl-card {
    display: block;
    background: var(--dt-card);
    border: 1px solid var(--dt-border);
    border-radius: var(--dt-radius);
    padding: 14px 10px;
    text-align: center;
    text-decoration: none;
    transition: border-color .15s, box-shadow .15s;
}
.nf-cl-card:hover {
    border-color: var(--dt-cyan);
    box-shadow: 0 0 12px rgba(6,182,212,0.1);
    text-decoration: none;
}
.nf-cl-emoji {
    font-size: 24px;
    margin-bottom: 6px;
}
.nf-cl-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--dt-text);
    margin-bottom: 2px;
}
.nf-cl-desc {
    font-size: 0.75rem;
    color: var(--dt-text-dim);
}

/* ===== 푸터 ===== */
.site-footer {
    margin-top: 0;
    border-top: 1px solid var(--dt-border);
    background: var(--dt-card);
}
.site-footer-inner {
    max-width: 880px;
    margin: 0 auto;
    padding: 24px 20px;
    text-align: center;
}
.site-footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 12px;
}
.site-footer-links a {
    font-size: .82rem;
    color: var(--dt-text-dim);
    text-decoration: none;
    transition: color .15s;
}
.site-footer-links a:hover { color: var(--dt-cyan); }
.site-footer-copy { font-size: .72rem; color: var(--dt-text-dim); }

/* ===== 프로모 배너 ===== */
.promo-banner-wrap { padding: 8px 8px 0; position: sticky; top: 0; z-index: 100; }
.promo-banner {
    position: relative; height: 3.5rem; background: var(--dt-card); color: #fff;
    border-radius: var(--dt-radius); overflow: hidden; border: 1px solid var(--dt-border);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.promo-slide {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    opacity: 0; transform: translateX(30%) scale(0.95); pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.4,0,0.2,1), transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.promo-link {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    width: 100%; height: 100%; text-decoration: none; color: inherit;
}
.promo-link:hover { background: rgba(255,255,255,0.05); }
.promo-main { font-size: 13px; font-weight: 600; }
.promo-sub { font-size: 9.5px; color: var(--dt-text-dim); margin-top: 1px; }
@media (min-width: 768px) {
    .promo-link { flex-direction: row; gap: 8px; }
    .promo-sub { font-size: 12px; margin-top: 0; }
}
.promo-dots {
    position: absolute; bottom: 3px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 4px;
}
.promo-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--dt-text-dim); transition: all 0.3s; }
.promo-dot.active { background: var(--dt-cyan); }
.promo-close {
    position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
    background: none; border: none; color: var(--dt-text-dim); font-size: 18px; cursor: pointer; line-height: 1;
}
.promo-close:hover { color: #fff; }

/* ===== 소개 페이지 ===== */
.nf-about-feature {
    padding: 14px 0;
    border-bottom: 1px solid var(--dt-border);
}
.nf-about-feature:last-child { border-bottom: none; }
.nf-about-feature strong {
    display: block;
    font-size: .95rem;
    color: var(--dt-text);
    margin-bottom: 4px;
}
.nf-about-feature p {
    font-size: .88rem;
    color: var(--dt-text-dim);
    margin: 0;
    line-height: 1.6;
}
.nf-about-cta {
    display: inline-block;
    padding: 10px 28px;
    background: var(--dt-cyan);
    color: #000;
    border-radius: 4px;
    text-decoration: none;
    font-size: .9rem;
    font-weight: 600;
    transition: opacity .15s;
}
.nf-about-cta:hover { opacity: .85; }

/* ===== 유틸리티 ===== */
.hidden { display: none; }

/* ===== 반응형: 데스크탑 ===== */
@media (min-width: 768px) {
    .nf-tv-grid-2 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== 반응형: 모바일 ===== */
@media (max-width: 700px) {
    .site-nav-inner { padding: 0 14px; height: 44px; }
    .site-nav-logo { font-size: .82rem; }
    .site-nav-links { gap: 12px; }
    .site-nav-links a { font-size: .76rem; }
    .site-footer { margin-top: 0; }
    .site-footer-inner { padding: 18px 14px; }
    .hub-hero h1 { font-size: 1.4rem; }
    .dt-ticker-bar { flex-wrap: wrap; }
    .dt-ticker-item { min-width: 25%; }
    .dt-ticker-val { font-size: 13px; }
    .dt-price-big { font-size: 36px; }
    .dt-price-change { font-size: 14px; }
    .dt-ohlc-bar { flex-wrap: wrap; }
    .dt-ohlc-item { min-width: 25%; }
    .nf-schedule-row {
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }
    .nf-schedule-time { text-align: left; }
    .nf-tv-grid { grid-template-columns: 1fr; }
    .nf-tv-card { height: 160px; }
    .nf-chart-wrap { height: 280px; }
    .nf-detail-chart-wrap { height: 360px; }
    .nf-crosslinks-grid { gap: 6px; }
    .nf-cl-card { padding: 10px 8px; }
}