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

:root {
    --bg:        #0d1117;
    --bg2:       #161b22;
    --bg3:       #1a1f3a;
    --border:    #2a3458;
    --text:      #e2e8f0;
    --muted:     #64748b;
    --positive:  #00c073;
    --negative:  #f04f5a;
    --accent:    #60a5fa;
    --max-color: #fbbf24;
    --min-color: #f04f5a;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    font-size: 13px;
    min-height: 100vh;
}

#Chart_Block {
    max-width: 100%;
    margin: 0 auto;
    padding: 40px;
}

/* 헤더 */
.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.coin-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.coin-title img {
    width: 80px;
    border-radius: 50%;
    margin-left: 20px;
}

.coin-title .sym {
    font-size: 60px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.05em;
}
.coin-title .sym label{
    display: inline-block;
    font-size: 55px;
    padding-left: 10px;
    margin-top: -20px;
}
.Coin_Subject {
    display: inline-block;
    font-size: 14px !important;
    color: var(--muted);
    margin-left: 10px;
    border-left: 3px solid #00ff00;
    padding-left: 10px;
}
.coin-title .krname {
    font-size: 12px;
    color: var(--muted);
}

.chart-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.chart-header form {
    display: flex;
    gap: 8px;
}

.chart-header select {
    background: var(--bg2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    outline: none;
}

.chart-header select:focus {
    border-color: var(--accent);
}

/* 상태 바 */
.stat-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.stat-item {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 14px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 120px;
}

.stat-item .lbl {
    font-size: 10px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-item .val {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.positive { color: var(--positive); }
.negative { color: var(--negative); }

/* 최고/최저 정보 바 */
.minmax-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.mm-item {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 7px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.mm-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.mm-dot.max { background: var(--max-color); }
.mm-dot.min { background: var(--min-color); }

.mm-item .mm-lbl { color: var(--muted); }
.mm-item .mm-val { font-weight: 700; }
.mm-item .mm-day { color: var(--muted); font-size: 11px; }

.mm-gap {
    margin-left: auto;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 7px 14px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mm-gap .mm-lbl { color: var(--muted); }
.mm-gap .mm-val { font-weight: 700; color: var(--accent); }

/* 차트 영역 */
.chart-wrap {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 20px;
    position: relative;
    box-shadow: 0 10px 10px rgba(0,0,0,0.5);
}

.chart-canvas-wrap {
    position: relative;
    height: 400px;
    background: #040b1b;
    border: 1px solid var(--border);
    padding: 20px 0px 20px 40px;
}

.chart_help {
    border: 1px solid var(--border);
    background: var(--bg);
    margin-top: 30px;
    padding: 20px;
    color: #b5b5b5;
    letter-spacing: 1px;
    line-height: 23px;
}
.chart_help button {
    background: var(--bg2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px 25px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    margin-top: 15px;
}
.chart_help button:hover {
    color: var(--text);
    border-color: var(--accent);
}

/* 조작 안내 */
.chart-guide {
    margin-top: 10px;
    text-align: center;
    font-size: 11px;
    color: var(--muted);
}

/* 리셋 버튼 */
.btn-reset {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.btn-reset:hover {
    color: var(--text);
    border-color: var(--accent);
}

/* 점수 도넛 */
.score-donut-wrap {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 14px 30px;
    margin-bottom: 25px;
    box-shadow: 0 10px 10px rgba(0,0,0,0.5);
}

.score-donut-info {
    display: flex;
    align-items: center;
    gap: 24px;
}

.score-total-val {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-right: 30px;
}

.score-total-lbl {
    font-size: 10px;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.score-total-num {
    font-size: 100px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -1px;
}

.score-unit {
    font-size: 24px;
    font-weight: 600;
    color: var(--muted);
    margin-left: 10px;
}

.score-donut-divider {
    width: 1px;
    align-self: stretch;
    background: var(--border);
}

.score-legend {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.score-legend li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    padding: 0px 20px;
}

.sdot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.slbl {
    color: var(--text);
    min-width: 54px;
}

.sval {
    font-size: 25px;
    font-weight: 700;
    min-width: 54px;
    text-align: right;
    margin-left: 10px;
}

/* 도넛 옆 현재가/등락률 */
.score-price-block {
    display: flex;
    flex-direction: column;
    gap: 12px;
    justify-content: center;
    padding: 0px 25px;
}

.score-price-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.score-price-lbl {
    font-size: 10px;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.score-price-val {
    font-size: 22px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.5px;
    color: var(--text);
}

.score-price-val.positive { color: var(--positive); }
.score-price-val.negative { color: var(--negative); }

.score-price-day {
    font-size: 10px;
    color: var(--muted);
    margin-top: 1px;
}

/* 새로고침 버튼 */
.mm-refresh {
    margin-left: auto;
}

#btn-refresh {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #1b25b6;
    border: 1px solid #121974;
    color: var(--text);
    padding: 7px 14px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.02em;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

#btn-refresh:hover {
    color: var(--text);
    border-color: var(--accent);
    background: #343dbe;
}