/* ======================================================================
 *  人民币金额大写转换 /tool/rmb-upper
 * ====================================================================== */

/* ---------- 卡片 ---------- */
.rmb-card {
    padding: 22px;
    margin-bottom: 16px;
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}
.rmb-card-title { font-size: 15.5px; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 14px; }
.rmb-hint { font-size: 12.5px; line-height: 1.75; color: var(--c-text-muted); margin-bottom: 13px; }

/* ---------- 输入 ---------- */
.rmb-input-row { display: flex; gap: 10px; align-items: center; }
.rmb-input {
    flex: 1 1 auto;
    min-width: 0;
    height: 50px;
    padding: 0 16px;
    font-family: inherit;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.01em;
    color: var(--c-text);
    background: var(--c-surface-soft);
    border: 1.5px solid var(--c-border);
    border-radius: 12px;
    outline: none;
    transition: all 0.16s ease;
}
.rmb-input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 4px var(--c-primary-soft); }
.rmb-input::placeholder { font-size: 14px; font-weight: 500; color: var(--c-text-muted); }
.rmb-clear {
    flex: 0 0 auto;
    height: 50px;
    padding: 0 16px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text-sub);
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.16s ease;
}
.rmb-clear:hover { color: #d32f2f; border-color: #d32f2f; }
.rmb-grouped { min-height: 18px; margin-top: 9px; font-size: 12.5px; font-weight: 700; color: var(--c-text-muted); }

/* ---------- 选项 ---------- */
.rmb-options { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px; }
.rmb-opt {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text-sub);
    cursor: pointer;
    user-select: none;
}
.rmb-opt input[type="checkbox"] { width: 16px; height: 16px; accent-color: #7a5cd6; cursor: pointer; }
.rmb-opt-select { gap: 9px; }
.rmb-opt-select select {
    height: 34px;
    padding: 0 10px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text);
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
    border-radius: 9px;
    outline: none;
    cursor: pointer;
}

/* ---------- 结果 ---------- */
.rmb-result {
    margin-top: 16px;
    padding: 22px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 159, 10, 0.12), rgba(214, 92, 140, 0.07));
    border: 1px solid rgba(255, 159, 10, 0.3);
    min-height: 84px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
}
.rmb-upper-text {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.45;
    letter-spacing: 0.04em;
    color: #b26a00;
    word-break: break-all;
}
.rmb-amount { font-size: 13px; font-weight: 700; color: var(--c-text-muted); }
.rmb-empty { font-size: 13.5px; color: var(--c-text-muted); text-align: center; }

.rmb-actions { display: flex; justify-content: center; margin-top: 15px; }
.rmb-steps { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 15px; }
.rmb-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 13px;
    border-radius: 10px;
    font-size: 12.5px;
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
}
.rmb-step .k { color: var(--c-text-muted); }
.rmb-step .v { font-weight: 800; color: var(--c-text); }

/* ---------- 示例 ---------- */
.rmb-demos { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-top: 15px; }
.rmb-demos-label { font-size: 12.5px; color: var(--c-text-muted); }
.rmb-demo {
    padding: 5px 11px;
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--c-text-sub);
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
    border-radius: 99px;
    cursor: pointer;
    transition: all 0.16s ease;
}
.rmb-demo:hover { color: var(--c-primary); border-color: var(--c-primary); background: var(--c-primary-soft); }

/* ---------- 反向识别 ---------- */
.rmb-reverse {
    margin-top: 14px;
    padding: 15px 18px;
    border-radius: 12px;
    font-size: 14px;
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
    min-height: 52px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.rmb-rev-hint { font-size: 12.5px; color: var(--c-text-muted); }
.rmb-rev-ok { font-size: 13px; font-weight: 700; color: var(--c-text-sub); }
.rmb-rev-err { font-size: 12.5px; font-weight: 700; color: #d32f2f; }
.rmb-reverse b { font-size: 22px; font-weight: 800; color: #7a5cd6; letter-spacing: 0.01em; }

/* ---------- 规则速查 ---------- */
.rmb-rules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--c-border); border: 1px solid var(--c-border); border-radius: 12px; overflow: hidden; }
.rmb-rule { display: flex; gap: 12px; padding: 12px 16px; background: var(--c-bg-card); font-size: 13px; align-items: flex-start; }
.rmb-rule .k { flex: 0 0 84px; font-size: 12.5px; font-weight: 700; color: var(--c-text); }
.rmb-rule .v { flex: 1 1 auto; min-width: 0; color: var(--c-text-sub); line-height: 1.7; }

/* ---------- 免责与简介 ---------- */
.rmb-disclaim {
    font-size: 12px;
    line-height: 1.85;
    color: var(--c-text-muted);
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 26px;
}
.rmb-disclaim b { color: var(--c-text-sub); }
.rmb-info-block { margin-bottom: 26px; }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
    .rmb-rules { grid-template-columns: 1fr; }
    .rmb-upper-text { font-size: 21px; }
}
@media (max-width: 560px) {
    .rmb-card { padding: 18px; }
    .rmb-input { height: 46px; font-size: 16px; }
    .rmb-clear { height: 46px; padding: 0 12px; font-size: 12.5px; }
    .rmb-result { padding: 18px; }
    .rmb-upper-text { font-size: 18px; }
    .rmb-rule { flex-direction: column; gap: 3px; }
    .rmb-rule .k { flex: none; }
}

/* ============ 黑夜模式 ============ */
[data-theme="dark"] .rmb-input,
[data-theme="dark"] .rmb-clear,
[data-theme="dark"] .rmb-demo,
[data-theme="dark"] .rmb-step,
[data-theme="dark"] .rmb-opt-select select,
[data-theme="dark"] .rmb-reverse,
[data-theme="dark"] .rmb-disclaim { background: rgba(255, 255, 255, 0.04); }
[data-theme="dark"] .rmb-result {
    background: linear-gradient(135deg, rgba(255, 159, 10, 0.18), rgba(214, 92, 140, 0.1));
    border-color: rgba(255, 159, 10, 0.38);
}
[data-theme="dark"] .rmb-upper-text { color: #ffc266; }
[data-theme="dark"] .rmb-reverse b { color: #b79cf5; }
[data-theme="dark"] .rmb-rev-err { color: #ff8a8a; }