:root {
    --bg: #0f172a;
    --bg-card: #040b1b;
    --bg-card2: rgba(15,23,42,0.6);
    --bg-row-hover: rgba(255,255,255,0.03);
    --border: #2a3458;
    --border-strong: rgba(255,255,255,0.12);
    --blue: #38bdf8;
    --green: #10b981;
    --red: #f43f5e;
    --amber: #f59e0b;
    --purple: #818cf8;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #6b727e;
    --text-faint: #334155;
    --font-ui: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-ui);
}

/* ── 프리로더 ── */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    transition: opacity 0.5s ease;
}
.loader-box {
    width: 36px;
    height: 36px;
    border: 2px solid rgba(56,189,248,0.15);
    border-top-color: var(--blue);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}
.loader-text {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--blue);
    text-transform: uppercase;
    animation: pulse 1.5s ease-in-out infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100%{opacity:0.4} 50%{opacity:1} }

/* ── 메인 래퍼 ── */
.qf-wrap {
    width: 100%;
    padding: 40px 50px 0px 50px;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.qf-wrap.loaded { opacity: 1; transform: none; }

/* ── 헤더 ── */
.qf-header {
    overflow: hidden;
}
.qf-header div {
    float: left;
}
.qf-header img {
    width: 100px;
}
.qf-title {
    font-size: 70px;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1.1;
    padding: 20px 0px 0px 20px;
}
.qf-title .accent { color: var(--blue); }
.qf-subtitle {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.25em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-top: 6px;
}
.qf-header-right { 
    float: right !important;
    padding-top:60px;
}
.qf-header-right button { 
    background:#040b1b;
    border:1px solid #293357;
    color:#38bdf8;
    padding:5px 14px;
    border-radius:4px;
    cursor:pointer;
    font-size:12px;
    margin-right: 10px;
}
.qf-header-right button:hover { 
    background:#0b3aa7;
    border:1px solid #38bdf8;
    color: #fff;
    transition: background 0.7s, border 0.7s;
}
.qf-sync {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    padding: 7px 20px 0px 0px;
}
.live-dot::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    border: 1px solid var(--green);
    animation: ping 1.4s ease-out infinite;
    opacity: 0;
}
@keyframes ping { 0%{opacity:0.6;transform:scale(1)} 100%{opacity:0;transform:scale(2.2)} }


.qf-52w-bar {
    background: #040b1b;
    border: 1px solid #293357;
    border-radius: 4px;
    padding: 12px 20px;
    margin-bottom: 16px;
}

.qf-52w-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.qf-52w-label {
    font-size: 11px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qf-52w-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    color: #e2e8f0;
}

.qf-52w-pct {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    color: #38bdf8;
    margin-left: 4px;
}

/* ── 스코어보드 ── */
.qf-scoreboard {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 32px 36px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
}
.qf-score-left { display: flex; align-items: center; gap: 36px; }
.qf-score-label {
    font-family: var(--font-mono);
    font-size: 15px;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 10px;
}
#score-val {
    font-family: var(--font-mono);
    font-size: 72px;
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1;
}
.score-pos { color: var(--green); }
.score-neg { color: var(--red); }
.score-neu { color: var(--text-secondary); }

/* ── HUD 패널 ── */
.qf-hud {
    background: rgba(0,0,0,0.35);
    border: 1px solid rgba(56,189,248,0.12);
    border-radius: 4px;
    padding: 14px 18px;
    min-width: 420px;
    max-width: 1090px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}
.hud-label {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 6px;
    display: block;
}
#score-details-content {
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}
.hud-item { display: inline-block; margin-right: 8px; }
.hud-lbl { color: var(--text-faint); }
.hud-pos { color: #34d399; }
.hud-neg { color: #fb7185; }
.hud-neu { color: var(--text-secondary); }
.hud-mul { color: var(--text-faint); }
.hud-summary {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--blue);
    font-size: 14px;
}

/* ── 스코어 우측 ── */
.qf-score-right { text-align: right; }
#score-desc {
    font-size: 28px;
    font-weight: 900;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: -0.01em;
}
.qf-engine-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 10px;
}
.qf-engine-label .dot { color: var(--blue); margin-right: 4px; }

/* ── 테이블 ── */
.qf-table-wrap {
    border-radius: 5px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
}
#data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
}
#data-table thead tr {
    background: #040b1b;
    border-bottom: 1px solid var(--border-strong);
}
#data-table thead th {
    padding: 20px 30px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #fff;
}
#data-table thead th:first-child { text-align: left; }
#data-table tbody tr {
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background 0.15s;
}
#data-table tbody tr:last-child { border-bottom: none; }
#data-table tbody tr:hover { background: var(--bg-row-hover); }
#data-table tbody td {
    background: #061025;
    padding: 16px 30px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
}

/* 구간명 셀 */
.td-label { text-align: left !important; border-right: 1px solid rgba(255,255,255,0.04); }
.td-label-inner { display: flex; align-items: center; gap: 12px; }
.td-label-icon { color: var(--blue); font-size: 12px; }
.td-label-name {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--blue);
}
.td-label-market { font-size: 10px; color: var(--text-muted); margin-top: 2px; letter-spacing: 0.05em; }

/* 색상 유틸 */
.c-pos, #data-table tbody td.c-pos { color: #34d399; }
.c-neg, #data-table tbody td.c-neg { color: #fb7185; }
.c-amber, #data-table tbody td.c-amber { color: var(--amber); }
.c-muted { color: var(--text-secondary); }

/* 52주 바 셀 */
.bar52-wrap { display: flex; flex-direction: column; gap: 4px; min-width: 180px; }
.bar52-labels { display: flex; justify-content: space-between; font-size: 9px; color: var(--text-muted); letter-spacing: 0.04em; }
.bar52-track {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
    overflow: hidden;
}
.bar52-fill {
    height: 100%;
    background: var(--blue);
    border-radius: 2px;
    transition: width 0.4s ease;
}
.bar52-pct { text-align: right; font-size: 10px; font-weight: 700; color: var(--text-secondary); }

/* 플래시 애니메이션 */
.update-flash { animation: cell-flash 0.8s ease-out; }
@keyframes cell-flash { from { background: rgba(56,189,248,0.18); } to { background: transparent; } }

/* ── 푸터 카드 ── */
.qf-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 32px;
}
.qf-footer-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 22px 24px;
}
.qf-footer-title {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.qf-footer-card.blue  .qf-footer-title { color: var(--blue); }
.qf-footer-card.amber .qf-footer-title { color: var(--amber); }
.qf-footer-text { font-size: 12px; color: var(--text-secondary); line-height: 1.7; }
.qf-signal-list { display: flex; gap: 20px; }
.qf-signal-item { font-size: 11px; color: var(--text-secondary); }
.qf-signal-item .tag-whale { color: #34d399; font-weight: 700; }
.qf-signal-item .tag-pump  { color: #fb7185; font-weight: 700; }

/* ── 가이드 섹션 ── */
.guide-wrap { background: var(--bg); padding: 40px 50px; font-family: var(--font-ui); }
.guide-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 28px 32px;
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
}
.guide-title {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 20px;
}
.guide-title.blue    { color: var(--blue); }
.guide-title.amber   { color: var(--amber); }
.guide-title.emerald { color: var(--green); }
.guide-title.rose    { color: var(--red); }
.guide-grid   { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.guide-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.section-header { color: var(--text-primary); font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.section-sub { font-size: 12px; color: var(--text-muted); margin-bottom: 18px; }
.row-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.row-dot { width: 5px; height: 5px; border-radius: 50%; margin-top: 7px; flex-shrink: 0; }
.row-item p { font-size: 12px; color: var(--text-secondary); line-height: 1.7; }
.row-item p span { color: var(--text-primary); font-weight: 600; }
.signal-card {
    background: rgba(0,0,0,0.25);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 4px;
    padding: 16px;
}
.signal-card-title {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.signal-card p { font-size: 12px; color: var(--text-secondary); line-height: 1.7; }
.weight-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.weight-table th {
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.weight-table td { padding: 7px 12px; color: var(--text-secondary); border-bottom: 1px solid rgba(255,255,255,0.03); }
.weight-table tr:last-child td { border-bottom: none; }
.weight-table .w-high { color: var(--purple); font-weight: 900; }
.weight-table .w-mid  { color: #34d399; }
.score-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 10px;
    padding: 10px 14px;
    border-radius: 4px;
    background: rgba(0,0,0,0.2);
}
.score-val-sm { font-family: var(--font-mono); font-size: 18px; font-weight: 900; min-width: 80px; }
.score-desc-sm { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }
.score-desc-sm span { display: block; font-size: 10px; color: var(--text-muted); margin-top: 2px; }
hr.divider { border: none; border-top: 1px solid rgba(255,255,255,0.05); margin: 18px 0; }