/* 통계 학습용 (BOARD) — 채권 페이지와 같은 팔레트.
   #001219 #005f73 #0a9396 #94d2bd #e9d8a6 #ee9b00 #ca6702 #bb3e03 #ae2012 #9b2226 */

.sv-wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 24px 16px 48px;
    color: #001219;
}

.sv-head {
    background: linear-gradient(135deg, #001219 0%, #005f73 78%, #0a9396 100%);
    border-radius: 18px;
    padding: 22px 26px;
    margin-bottom: 18px;
    box-shadow: 0 10px 26px rgba(0, 18, 25, 0.28);
}
.sv-head h1 { font-size: 1.4rem; font-weight: 800; color: #fff; margin: 0; }
.sv-head .sv-sub { color: #94d2bd; font-size: 0.83rem; margin-top: 6px; }

/* ---------- 목록 카드 ---------- */
.sv-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.sv-card {
    display: block;
    background: #fff;
    border: 1px solid rgba(148, 210, 189, 0.5);
    border-radius: 16px;
    padding: 18px 20px;
    text-decoration: none;
    color: #001219;
    box-shadow: 0 2px 10px rgba(0, 18, 25, 0.05);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.sv-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 18, 25, 0.12); color: #001219; }
.sv-card__tag { font-size: 0.7rem; font-weight: 700; color: #0a9396; letter-spacing: 0.05em; text-transform: uppercase; }
.sv-card__title { font-size: 1.05rem; font-weight: 800; margin: 6px 0 8px; }
.sv-card__desc { font-size: 0.83rem; color: #5c7078; margin: 0; line-height: 1.55; }

/* ---------- 시각화 상세 ---------- */
.sv-panel {
    background: #fff;
    border: 1px solid rgba(148, 210, 189, 0.45);
    border-radius: 16px;
    padding: 18px 20px;
    margin-bottom: 16px;
    box-shadow: 0 2px 10px rgba(0, 18, 25, 0.05);
}
.sv-panel h2 {
    font-size: 1rem;
    font-weight: 800;
    margin: 0 0 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sv-panel h2::before {
    content: "";
    width: 5px; height: 17px; border-radius: 3px;
    background: linear-gradient(180deg, #0a9396, #005f73);
}
.sv-note { font-size: 0.82rem; color: #5c7078; line-height: 1.6; }

/* 컨트롤 */
.sv-controls { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: center; margin-bottom: 6px; }
.sv-ctrl { display: flex; align-items: center; gap: 8px; font-size: 0.83rem; font-weight: 600; color: #16323b; }
.sv-ctrl select {
    border: 1px solid #94d2bd; border-radius: 10px; padding: 6px 10px;
    font-size: 0.83rem; color: #005f73; background: #fff;
}
.sv-ctrl input[type="range"] { accent-color: #0a9396; width: 160px; }
.sv-ctrl .sv-val { color: #005f73; font-weight: 800; min-width: 2.2em; text-align: right; }

.sv-btn {
    display: inline-flex; align-items: center; gap: 6px;
    border: 1px solid transparent; border-radius: 11px;
    padding: 8px 14px; font-size: 0.83rem; font-weight: 700;
    cursor: pointer; transition: transform 0.12s ease, background 0.12s ease;
    background: #0a9396; color: #fff;
}
.sv-btn:hover:not(:disabled) { background: #005f73; transform: translateY(-1px); }
.sv-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.sv-btn.sv-btn-amber { background: #ee9b00; color: #001219; }
.sv-btn.sv-btn-amber:hover:not(:disabled) { background: #ca6702; color: #fff; }
.sv-btn.sv-btn-ghost { background: #fff; border-color: #94d2bd; color: #005f73; }
.sv-btn.sv-btn-ghost:hover:not(:disabled) { background: #f0f6f5; }

/* 통계 칩 */
.sv-chips { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px; margin-top: 12px; }
.sv-chip { border: 1px solid rgba(148, 210, 189, 0.55); border-radius: 12px; padding: 9px 13px; background: #f6faf9; }
.sv-chip .sv-chip-label { font-size: 0.7rem; color: #5c7078; }
.sv-chip .sv-chip-value { font-size: 0.98rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.sv-chip.sv-hl { background: #e9d8a6; border-color: #ddc98e; }

/* 차트 캔버스 */
.sv-chart-wrap { position: relative; }
.sv-chart-wrap canvas { width: 100%; height: auto; display: block; }
.sv-tooltip {
    position: absolute; pointer-events: none; display: none;
    background: #001219; color: #fff; font-size: 0.75rem;
    border-radius: 8px; padding: 5px 9px; white-space: nowrap;
    transform: translate(-50%, -130%); z-index: 5;
}
.sv-legend { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; font-size: 0.78rem; color: #16323b; }
.sv-legend .sv-swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

@media (max-width: 576px) {
    .sv-head { padding: 16px 18px; }
    .sv-panel { padding: 14px; }
    .sv-ctrl input[type="range"] { width: 120px; }
}