/* 在线时区换算 */
.tz-quick { margin-top: 16px; }
.tz-quick-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}
.tz-quick-btn {
    padding: 5px 11px;
    border-radius: 999px;
    border: 1px solid var(--c-border, #e3e8ef);
    background: var(--c-surface, #fff);
    color: var(--c-text-sub, #5b6572);
    font-size: 12.5px;
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
}
.tz-quick-btn:hover {
    background: #0096dc;
    border-color: #0096dc;
    color: #fff;
}

.tz-note {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(220, 120, 0, .1);
    color: #b45309;
    font-size: 13px;
    line-height: 1.7;
}

/* 世界时钟 */
.tz-clocks {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.tz-clock {
    position: relative;
    padding: 12px 10px;
    border-radius: 12px;
    border: 1px solid var(--c-border, #e3e8ef);
    background: var(--c-surface-soft, #f6f8fa);
    text-align: center;
}

.tz-clock-del {
    position: absolute;
    top: 4px;
    right: 6px;
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--c-text-muted, #9aa5b1);
    font-size: 15px;
    line-height: 18px;
    cursor: pointer;
}
.tz-clock-del:hover { background: rgba(220, 38, 38, .12); color: #dc2626; }

.tz-clock-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text, #1f2933);
}
.tz-clock-time {
    margin: 4px 0 2px;
    font-size: 24px;
    font-weight: 800;
    color: #0096dc;
    font-variant-numeric: tabular-nums;
}
.tz-clock-date {
    font-size: 12px;
    color: var(--c-text-sub, #5b6572);
}
.tz-dst {
    display: inline-block;
    margin-left: 4px;
    padding: 1px 6px;
    border-radius: 999px;
    background: rgba(220, 120, 0, .14);
    color: #b45309;
    font-style: normal;
    font-size: 10.5px;
}
.tz-clock-tz {
    margin-top: 4px;
    font-size: 10.5px;
    color: var(--c-text-muted, #9aa5b1);
    word-break: break-all;
}

.tz-add {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}
.tz-add .calc-select { max-width: 340px; }

[data-theme="dark"] .tz-note { color: #fbbf24; }
[data-theme="dark"] .tz-clock-del:hover { color: #f87171; }
[data-theme="dark"] .tz-dst { color: #fbbf24; }

@media (max-width: 768px) {
    .tz-clocks { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
    .tz-clock-time { font-size: 20px; }
}