:root {
    --bg: #f5f6f8;
    --card: #ffffff;
    --line: #e7e9ee;
    --text: #1a1f2c;
    --muted: #5a6375;
    --up: #0f8a4b;
    --down: #c23333;
    --flat: #556070;
}

* {
    box-sizing: border-box;
}

body {
    font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text);
    background: radial-gradient(circle at top, #ffffff 0%, var(--bg) 45%, #eceff4 100%);
}

.wrap {
    max-width: 860px;
    margin: 1rem auto;
    padding: 0 0.8rem 1rem;
}

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

.top h1 {
    margin: 0.4rem 0;
    font-size: 1.15rem;
}

#refreshBtn {
    border: 0;
    border-radius: 10px;
    background: #1d4ed8;
    color: #fff;
    padding: 0.5rem 0.8rem;
    font-size: 0.9rem;
}

#refreshBtn:disabled {
    opacity: 0.6;
}

.status {
    margin: 0.2rem 0 0.7rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.card {
    border: 1px solid var(--line);
    background: var(--card);
    padding: 0.65rem 0.7rem;
    margin: 0.75rem 0;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(10, 20, 40, 0.04);
}

.card h2 {
    margin: 0 0 0.4rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.group-header { cursor: pointer; }
.total-card .group-header { cursor: default; }

.card.collapsed .list { display: none; }

.group-stats {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.08rem;
    font-size: 0.9rem;
}
.group-chg.positive { color: var(--up); }
.group-chg.negative { color: var(--down); }
.group-chg.neutral, .group-chg.na { color: var(--flat); }
.group-amt { color: #7b838c; font-size: 0.82rem; font-weight: 400; }

.list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.6rem;
    padding: 0.42rem 0;
}

/* group separator styled like previous row divider */
.group-sep {
    border: 0;
    height: 0;
    border-top: 1px solid var(--line);
    margin: 0.45rem 0 0.65rem;
}

.left {
    min-width: 0;
    flex: 1;
    display: flex;
    gap: 0.55rem;
    align-items: baseline;
}

.code {
    width: 3.2rem;
    color: #243143;
    font-size: 0.95rem;
}

.meta {
    min-width: 0;
    display: inline-flex;
    gap: 0.45rem;
    align-items: baseline;
    flex-wrap: wrap;
}

.chi-name {
    font-size: 0.93rem;
}

.qty {
    color: var(--muted);
    font-size: 0.82rem;
}

.chg {
    min-width: 4.1rem;
    text-align: right;
    font-weight: 600;
}

.chg.positive {
    color: var(--up);
}

.chg.negative {
    color: var(--down);
}

.chg.neutral,
.chg.na {
    color: var(--flat);
}

.right {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-left: auto;
}

.price-wrap {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.12rem;
}

.chg-wrap {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.15rem;
}

.amt {
    color: var(--muted);
    font-size: 0.78rem;
}

.amt.na { color: var(--muted); }

.price {
    min-width: 4.2rem;
    text-align: right;
    font-weight: 400;
    color: var(--flat);
    font-size: 0.95rem;
}

.price.positive { color: var(--up); }
.price.negative { color: var(--down); }
.price.neutral { color: var(--flat); }
.price.na { color: var(--muted); }

@media (max-width: 480px) {
    .wrap {
        padding-left: 0.55rem;
        padding-right: 0.55rem;
    }

    .top h1 {
        font-size: 1.03rem;
    }

    .code {
        width: 2.9rem;
        font-size: 0.9rem;
    }

    .chi-name {
        font-size: 0.88rem;
    }

    .chg {
        min-width: 3.7rem;
        font-size: 0.9rem;
    }
}