/* 在线录音 /tools/recorder —— class 前缀 rc-，沿用站点主题变量自动适配深/浅色 */
.rc {
    width: 100%;
    box-sizing: border-box;
    padding: 22px 24px 40px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* ===== 头部 ===== */
.rc-hero { display: flex; align-items: flex-start; gap: 14px; }
.rc-hero-txt { flex: 1; min-width: 0; }
.rc-title { margin: 0 0 6px; font-size: 22px; font-weight: 800; color: var(--text-primary); }
.rc-sub { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--text-secondary); }
.rc-icon-btn {
    flex: 0 0 auto; width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--border-color); border-radius: 11px;
    background: var(--bg-secondary); color: var(--text-secondary); cursor: pointer; transition: all .15s;
}
.rc-icon-btn:hover { color: var(--accent); border-color: var(--accent); }

.rc-note {
    margin: 0; padding: 9px 13px; border-radius: 11px; font-size: 13px; line-height: 1.6;
    border: 1px solid var(--border-color); background: var(--bg-secondary); color: var(--text-secondary);
}
.rc-note[hidden] { display: none !important; }
.rc-note.is-err { color: var(--danger); border-color: var(--danger); }

/* ===== 录音台 ===== */
.rc-deck {
    display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px;
    padding: 16px; border: 1px solid var(--border-color); border-radius: 16px; background: var(--bg-secondary);
}
.rc-deck-main { display: flex; flex-direction: column; gap: 12px; min-width: 0; }

.rc-wave-wrap { position: relative; border-radius: 12px; overflow: hidden; background: var(--bg-primary); }
.rc-wave { display: block; width: 100%; height: 180px; }
.rc-wave-idle {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    font-size: 13px; color: var(--text-secondary); pointer-events: none;
}
.rc-wave-idle[hidden] { display: none !important; }

.rc-meter { height: 6px; border-radius: 999px; background: var(--bg-primary); overflow: hidden; }
.rc-meter-fill {
    height: 100%; width: 0%; border-radius: 999px;
    background: linear-gradient(90deg, #22c55e, #eab308 72%, var(--danger));
    transition: width .08s linear;
}

.rc-deck-info { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.rc-timer { font-size: 26px; font-weight: 800; font-variant-numeric: tabular-nums; color: var(--text-primary); }
.rc-state {
    font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
    background: var(--bg-primary); color: var(--text-secondary); border: 1px solid var(--border-color);
}
.rc-state.is-rec { color: #fff; background: var(--danger); border-color: var(--danger); }
.rc-state.is-pause { color: #b45309; background: #fef3c7; border-color: #fcd34d; }
.rc-size { font-size: 12.5px; color: var(--text-secondary); }

.rc-deck-btns { display: flex; gap: 9px; flex-wrap: wrap; }
.rc-btn {
    padding: 9px 16px; font-size: 14px; font-weight: 600; font-family: inherit; border-radius: 11px;
    border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--text-primary);
    cursor: pointer; transition: all .15s;
}
.rc-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.rc-btn:disabled { opacity: .45; cursor: not-allowed; }
.rc-btn-sm { padding: 5px 11px; font-size: 12.5px; border-radius: 8px; }
.rc-btn-rec { background: var(--danger); border-color: var(--danger); color: #fff; }
.rc-btn-rec:hover:not(:disabled) { background: var(--danger); border-color: var(--danger); color: #fff; filter: brightness(1.08); }
.rc-btn-rec.is-on { animation: rc-pulse 1.4s ease-in-out infinite; }
@keyframes rc-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .68; } }
.rc-btn-stop { background: var(--accent); border-color: var(--accent); color: #fff; }
.rc-btn-stop:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); color: #fff; filter: brightness(1.08); }
.rc-btn-ghost { background: transparent; }
.rc-btn-danger { color: var(--danger); }
.rc-btn-danger:hover:not(:disabled) { border-color: var(--danger); color: var(--danger); }
.rc-btn-go { background: var(--accent); border-color: var(--accent); color: #fff; }

.rc-kbd { margin: 0; font-size: 12px; color: var(--text-secondary); }
.rc-kbd kbd {
    padding: 1px 6px; border-radius: 5px; border: 1px solid var(--border-color);
    background: var(--bg-primary); font-size: 11.5px; font-family: inherit;
}

/* ===== 设备 / 参数 ===== */
.rc-dev { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.rc-field { display: flex; flex-direction: column; gap: 5px; }
.rc-field > span { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.rc-select, .rc-input {
    width: 100%; height: 36px; padding: 0 11px; font-size: 13.5px; font-family: inherit;
    border: 1px solid var(--border-color); border-radius: 9px;
    background: var(--bg-primary); color: var(--text-primary); outline: none;
}
.rc-select:focus, .rc-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent); }
.rc-switches { display: flex; flex-direction: column; gap: 7px; }
.rc-sw { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-primary); cursor: pointer; }
.rc-sw input { width: 16px; height: 16px; accent-color: var(--accent); }
.rc-tip { margin: 0; font-size: 11.5px; line-height: 1.6; color: var(--text-secondary); }

/* ===== 最近录音 ===== */
.rc-lib { display: flex; flex-direction: column; gap: 12px; }
.rc-lib-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.rc-lib-title { flex: 1; margin: 0; font-size: 17px; font-weight: 800; color: var(--text-primary); }
.rc-lib-count { font-size: 12.5px; font-weight: 600; color: var(--text-secondary); }
.rc-lib-tools { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rc-lib-tools .rc-input { width: 200px; }
.rc-lib-tools .rc-select { width: auto; min-width: 118px; }

.rc-stats { margin: 0; font-size: 12.5px; line-height: 1.6; color: var(--text-secondary); }

.rc-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; contain: layout style; }
.rc-card {
    display: flex; flex-direction: column; gap: 9px; padding: 12px 13px;
    border: 1px solid var(--border-color); border-radius: 14px; background: var(--bg-secondary);
    /* 录音多了以后，视口外的卡片不必参与布局与绘制 */
    content-visibility: auto; contain-intrinsic-size: auto 190px;
}
.rc-card.is-fav { border-color: var(--accent); }
.rc-card.is-playing { box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 30%, transparent); }
.rc-card-top { display: flex; align-items: center; gap: 8px; }
.rc-play-mini {
    flex: 0 0 auto; width: 32px; height: 32px; border-radius: 50%; cursor: pointer;
    border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--accent);
    font-size: 13px; line-height: 1; display: inline-flex; align-items: center; justify-content: center;
}
.rc-play-mini:hover { border-color: var(--accent); }
.rc-name {
    flex: 1; min-width: 0; font-size: 14px; font-weight: 700; color: var(--text-primary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.rc-name-input {
    flex: 1; min-width: 0; height: 30px; padding: 0 8px; font-size: 13.5px; font-family: inherit;
    border: 1px solid var(--accent); border-radius: 7px; background: var(--bg-primary); color: var(--text-primary); outline: none;
}
.rc-badge {
    flex: 0 0 auto; font-size: 10.5px; font-weight: 700; letter-spacing: .3px;
    padding: 2px 7px; border-radius: 5px; color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.rc-ctime { flex: 0 0 auto; font-size: 11.5px; color: var(--text-secondary); white-space: nowrap; }
.rc-mini { display: block; width: 100%; height: 44px; }
.rc-meta { font-size: 12px; color: var(--text-secondary); }
.rc-acts { display: flex; gap: 6px; flex-wrap: wrap; }
.rc-acts .rc-btn-sm { flex: 0 0 auto; }
.rc-acts .rc-btn-sm.is-on { color: #d98b00; border-color: #d98b00; }
.rc-dl { display: flex; gap: 6px; flex-wrap: wrap; padding-top: 2px; border-top: 1px dashed var(--border-color); }
.rc-dl[hidden] { display: none !important; }

.rc-empty {
    padding: 34px 14px; text-align: center; font-size: 13.5px; color: var(--text-secondary);
    border: 1px dashed var(--border-color); border-radius: 14px;
}
.rc-empty[hidden] { display: none !important; }

.rc-undo {
    display: flex; align-items: center; gap: 10px; padding: 8px 12px;
    border: 1px solid var(--border-color); border-radius: 11px;
    background: var(--bg-secondary); font-size: 13px; color: var(--text-secondary);
}
.rc-undo[hidden] { display: none !important; }
.rc-undo > span { flex: 1; }

/* ===== 底部播放器 ===== */
.rc-player {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 99997;
    display: flex; align-items: center; gap: 11px;
    padding: 10px 18px calc(10px + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary); box-shadow: 0 -8px 26px rgba(0, 0, 0, .12);
}
.rc-player[hidden] { display: none !important; }
.rc-pbtn {
    flex: 0 0 auto; width: 34px; height: 34px; border-radius: 9px; cursor: pointer;
    border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--text-primary);
    font-size: 13px; line-height: 1; display: inline-flex; align-items: center; justify-content: center;
}
.rc-pbtn:hover { border-color: var(--accent); color: var(--accent); }
.rc-pname {
    flex: 0 1 200px; min-width: 0; font-size: 13.5px; font-weight: 700; color: var(--text-primary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.rc-seek { flex: 1 1 auto; min-width: 90px; accent-color: var(--accent); }
.rc-ptime { flex: 0 0 auto; font-size: 12.5px; font-variant-numeric: tabular-nums; color: var(--text-secondary); }
.rc-rate { flex: 0 0 auto; width: auto; min-width: 74px; height: 32px; }

/* ===== 设置弹窗 ===== */
.rc-mask {
    position: fixed; inset: 0; z-index: 100000; display: flex; align-items: center; justify-content: center;
    padding: 18px; background: rgba(0, 0, 0, .45);
}
.rc-mask[hidden] { display: none !important; }
.rc-modal {
    width: 100%; max-width: 460px; max-height: 90vh; display: flex; flex-direction: column;
    border: 1px solid var(--border-color); border-radius: 16px; background: var(--bg-primary);
    box-shadow: 0 22px 60px rgba(0, 0, 0, .28);
}
.rc-modal-head {
    flex: 0 0 auto; display: flex; align-items: center; gap: 10px;
    padding: 14px 16px 11px; border-bottom: 1px solid var(--border-color);
}
.rc-modal-head h3 { flex: 1; margin: 0; font-size: 15.5px; font-weight: 800; color: var(--text-primary); }
.rc-modal-body { flex: 1 1 auto; overflow-y: auto; padding: 13px 16px; display: flex; flex-direction: column; gap: 12px; }
.rc-set-row { display: flex; align-items: center; gap: 12px; }
.rc-set-row > span { flex: 1; font-size: 13.5px; color: var(--text-primary); }
.rc-set-row > .rc-input { flex: 1 1 60%; width: auto; }
.rc-set-row > .rc-select { flex: 0 0 auto; width: auto; min-width: 120px; }
.rc-set-row > input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--accent); }
.rc-set-tip { margin: 0; font-size: 11.5px; line-height: 1.7; color: var(--text-secondary); }
.rc-modal-foot {
    flex: 0 0 auto; display: flex; align-items: center; gap: 8px;
    padding: 12px 16px; border-top: 1px solid var(--border-color);
}
.rc-flex1 { flex: 1; }

/* ===== 批量选择 → 保存到网盘 / 发送到邮箱 ===== */
.rc-selbar {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    padding: 9px 12px; margin-bottom: 10px; border: 1px solid var(--border-color);
    border-radius: 12px; background: var(--bg-secondary);
}
.rc-selbar[hidden] { display: none !important; }
.rc-selall { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--text-primary); cursor: pointer; }
.rc-selall input { width: 16px; height: 16px; accent-color: var(--accent); }
.rc-selcount { font-size: 12.5px; color: var(--text-secondary); }

.rc-sel { display: inline-flex; align-items: center; flex: 0 0 auto; cursor: pointer; }
.rc-selcb { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

.rc-card.is-sel { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 18%, transparent); }

.rc-set-row.is-col { flex-direction: column; align-items: stretch; gap: 6px; }
.rc-set-row.is-col > span { flex: 0 0 auto; }
.rc-set-row.is-col > .rc-input { flex: 0 0 auto; width: 100%; }
.rc-set-row > .rc-select { max-width: 100%; }

.rc-prog, .rc-result {
    padding: 9px 11px; border-radius: 10px; font-size: 12.5px; line-height: 1.65;
    border: 1px solid var(--border-color); background: var(--bg-secondary); color: var(--text-primary);
}
.rc-prog[hidden], .rc-result[hidden] { display: none !important; }
.rc-result.is-ok {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border-color));
    background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.rc-result.is-err {
    border-color: color-mix(in srgb, var(--danger) 45%, var(--border-color));
    background: color-mix(in srgb, var(--danger) 8%, transparent);
    color: var(--danger);
}
.rc-result a { color: var(--accent); font-weight: 600; text-decoration: none; }
.rc-result a:hover { text-decoration: underline; }
.rc-modal-tip { margin: 0; font-size: 12.5px; color: var(--text-secondary); }

/* ===== 响应式 ===== */
@media (max-width: 991px) {
    .rc-deck { grid-template-columns: minmax(0, 1fr); }
    .rc-dev { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 11px; }
    .rc-tip { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
    .rc { padding: 16px 14px 34px; gap: 14px; }
    .rc-title { font-size: 19px; }
    .rc-wave { height: 140px; }
    .rc-timer { font-size: 22px; }
    .rc-deck-btns .rc-btn { flex: 1 1 44%; }
    .rc-lib-head { flex-direction: column; align-items: stretch; }
    .rc-lib-tools { flex-direction: column; align-items: stretch; }
    .rc-lib-tools .rc-input { width: 100%; }
    .rc-lib-tools .rc-select { width: 100%; }
    .rc-list { grid-template-columns: minmax(0, 1fr); }
    .rc-pname { display: none; }
    .rc-select, .rc-input { font-size: 16px; height: 40px; } /* 防 iOS 聚焦缩放 */
    .rc-name-input { font-size: 16px; height: 34px; }
    .rc-selbar { padding: 10px 12px; }
    .rc-selbar .rc-btn { flex: 1 1 46%; }
    .rc-set-row { flex-direction: column; align-items: stretch; gap: 6px; }
    .rc-set-row > .rc-input, .rc-set-row > .rc-select { flex: 0 0 auto; width: 100%; }
}
@media (max-width: 560px) {
    .rc-player { gap: 8px; padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px)); }
    .rc-ptime { font-size: 11.5px; }
    .rc-modal { max-width: none; border-radius: 16px 16px 0 0; align-self: flex-end; max-height: 92vh; }
    .rc-mask { padding: 0; align-items: flex-end; }
}

@media (prefers-reduced-motion: reduce) {
    .rc-btn-rec.is-on { animation: none; }
    .rc-meter-fill { transition: none; }
}