/* ZIP 在线压缩 /tools/zip-compressor —— class 前缀 zc-，沿用站点主题变量自动适配深/浅色 */
.zc {
    width: 100%;
    box-sizing: border-box;
    padding: 22px 24px 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ===== 头部 ===== */
.zc-hero { display: flex; flex-direction: column; gap: 6px; }
.zc-title { margin: 0; font-size: 22px; font-weight: 800; color: var(--text-primary); }
.zc-sub { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--text-secondary); }

.zc-note {
    margin: 0; padding: 9px 13px; border-radius: 11px; font-size: 13px; line-height: 1.6; text-align: center;
    border: 1px solid var(--border-color); background: var(--bg-secondary); color: var(--text-secondary);
}
.zc-note[hidden] { display: none !important; }
.zc-note.is-err { color: var(--danger); border-color: var(--danger); text-align: left; }
.zc-note.is-ok { color: #15803d; border-color: #86efac; }

/* ===== 拖拽区 ===== */
.zc-drop {
    border: 2px dashed var(--border-color); border-radius: 16px; background: var(--bg-secondary);
    padding: 26px 18px; display: flex; flex-direction: column; align-items: center; gap: 10px;
    text-align: center; transition: border-color .15s, background .15s;
}
.zc-drop.is-over { border-color: var(--accent); background: var(--bg-primary); }
.zc-drop-ico { font-size: 34px; line-height: 1; }
.zc-drop-tx { font-size: 14.5px; font-weight: 700; color: var(--text-primary); }
.zc-drop-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px; margin-top: 2px; }
.zc-drop-tips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 14px; font-size: 12.5px; color: var(--text-secondary); }
.zc-drop-tips span { display: inline-flex; align-items: center; gap: 5px; }

/* ===== 通用控件 ===== */
.zc-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;
}
.zc-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.zc-btn:disabled { opacity: .45; cursor: not-allowed; }
.zc-btn-sm { padding: 5px 11px; font-size: 12.5px; border-radius: 8px; }
.zc-btn-go { background: var(--accent); border-color: var(--accent); color: #fff; }
.zc-btn-go:hover:not(:disabled) { color: #fff; filter: brightness(1.08); }
.zc-btn-danger { color: var(--danger); border-color: var(--danger); }
.zc-btn-ghost { background: transparent; }
.zc-input, .zc-select {
    padding: 8px 10px; font-size: 13.5px; font-family: inherit; border-radius: 9px;
    border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--text-primary);
}
.zc-input:focus, .zc-select:focus { outline: none; border-color: var(--accent); }

/* ===== 主体：左列表 + 右设置 ===== */
.zc-main { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 16px; align-items: start; }
.zc-panel {
    border: 1px solid var(--border-color); border-radius: 16px; background: var(--bg-secondary);
    padding: 14px; display: flex; flex-direction: column; gap: 11px; min-width: 0;
}
.zc-panel-head { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.zc-panel-title { margin: 0; font-size: 15px; font-weight: 800; color: var(--text-primary); flex: 1 1 auto; }
.zc-panel-count { font-size: 12.5px; font-weight: 600; color: var(--text-secondary); }
.zc-panel-tools { display: flex; flex-wrap: wrap; gap: 8px; }

/* 文件列表 */
.zc-list { max-height: 420px; overflow: auto; display: flex; flex-direction: column; gap: 6px; }
.zc-item {
    display: flex; align-items: center; gap: 9px; padding: 7px 10px; border-radius: 10px;
    background: var(--bg-primary); border: 1px solid var(--border-color);
}
.zc-item.is-off { opacity: .5; }
.zc-item-ico { flex: 0 0 auto; font-size: 16px; }
.zc-item-body { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.zc-item-name {
    font-size: 13.5px; color: var(--text-primary); word-break: break-all;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.zc-item-meta { font-size: 11.5px; color: var(--text-secondary); display: flex; gap: 8px; flex-wrap: wrap; }
.zc-item-del {
    flex: 0 0 auto; border: none; background: none; cursor: pointer; color: var(--text-secondary);
    font-size: 14px; padding: 3px 5px; border-radius: 6px;
}
.zc-item-del:hover { color: var(--danger); }
.zc-cb { flex: 0 0 auto; width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }
.zc-empty { padding: 22px 14px; text-align: center; font-size: 13px; color: var(--text-secondary); }
.zc-empty[hidden] { display: none !important; }
.zc-depth { color: var(--accent); }

/* 设置项 */
.zc-field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--text-secondary); }
.zc-field > span { font-weight: 600; }
.zc-level-row { display: flex; align-items: center; gap: 10px; }
.zc-level-row input[type="range"] { flex: 1 1 auto; accent-color: var(--accent); min-width: 0; }
.zc-level-val { flex: 0 0 auto; font-size: 14px; font-weight: 800; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.zc-tip { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--text-secondary); }
.zc-sw { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--text-primary); cursor: pointer; }
.zc-sw input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

/* 统计 */
.zc-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.zc-stat {
    border: 1px solid var(--border-color); border-radius: 12px; background: var(--bg-primary);
    padding: 10px 12px; display: flex; flex-direction: column; gap: 3px;
}
.zc-stat-k { font-size: 12px; color: var(--text-secondary); }
.zc-stat-v { font-size: 17px; font-weight: 800; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.zc-stat-v.is-good { color: #15803d; }

/* 进度 */
.zc-prog { height: 8px; border-radius: 999px; background: var(--bg-primary); overflow: hidden; border: 1px solid var(--border-color); }
.zc-prog[hidden] { display: none !important; }
.zc-prog-fill { height: 100%; width: 0%; background: var(--accent); transition: width .18s linear; }
.zc-prog-tx { margin: 0; font-size: 12.5px; color: var(--text-secondary); }

/* 结果 */
.zc-result {
    display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
    padding: 11px 13px; border-radius: 12px; border: 1px solid var(--accent); background: var(--bg-primary);
}
.zc-result[hidden] { display: none !important; }
.zc-result-name { font-size: 14px; font-weight: 700; color: var(--text-primary); word-break: break-all; }
.zc-result-meta { font-size: 12.5px; color: var(--text-secondary); }
.zc-flex1 { flex: 1 1 auto; }

/* 预览结构 */
.zc-tree {
    margin: 0; padding: 10px 12px; border-radius: 10px; background: var(--bg-primary);
    border: 1px solid var(--border-color); font-size: 12px; line-height: 1.75; color: var(--text-secondary);
    max-height: 150px; overflow: auto; white-space: pre-wrap; word-break: break-all;
}
.zc-tree[hidden] { display: none !important; }

/* ===== 弹窗 ===== */
.zc-mask {
    position: fixed; inset: 0; z-index: 100000; display: flex; align-items: center; justify-content: center;
    padding: 18px; background: rgba(0, 0, 0, .45);
}
.zc-mask[hidden] { display: none !important; }
.zc-modal {
    width: 100%; max-width: 460px; max-height: 88vh; overflow: auto;
    border-radius: 15px; border: 1px solid var(--border-color); background: var(--bg-primary);
    display: flex; flex-direction: column;
}
.zc-modal-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--border-color); }
.zc-modal-head h3 { margin: 0; font-size: 15.5px; font-weight: 800; color: var(--text-primary); flex: 1; }
.zc-icon-btn {
    flex: 0 0 auto; width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--border-color); border-radius: 10px; background: var(--bg-secondary);
    color: var(--text-secondary); cursor: pointer;
}
.zc-icon-btn:hover { color: var(--accent); border-color: var(--accent); }
.zc-modal-body { padding: 14px 16px; display: flex; flex-direction: column; gap: 11px; }
.zc-modal-foot { display: flex; align-items: center; gap: 9px; padding: 12px 16px; border-top: 1px solid var(--border-color); }
.zc-modal-tip { margin: 0; font-size: 13px; color: var(--text-secondary); }
.zc-set-row { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-primary); }
.zc-set-row > span { flex: 0 0 92px; color: var(--text-secondary); }
.zc-set-row .zc-select, .zc-set-row .zc-input { flex: 1 1 auto; min-width: 0; }
.zc-set-tip { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--text-secondary); }
.zc-result-box { padding: 9px 12px; border-radius: 10px; font-size: 13px; line-height: 1.7; border: 1px solid var(--border-color); }
.zc-result-box[hidden] { display: none !important; }
.zc-result-box.is-ok { color: #15803d; border-color: #86efac; background: #f0fdf4; }
.zc-result-box.is-err { color: var(--danger); border-color: var(--danger); }
.zc-result-box a { color: var(--accent); }

/* ===== 关于 / 功能特点 ===== */
.zc-about { border: 1px solid var(--border-color); border-radius: 16px; background: var(--bg-secondary); padding: 16px 18px; }
.zc-about h2 { margin: 0 0 8px; font-size: 16px; font-weight: 800; color: var(--text-primary); }
.zc-about p { margin: 0; font-size: 13.5px; line-height: 1.8; color: var(--text-secondary); }
.zc-feats { margin: 14px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); gap: 8px 18px; }
.zc-feats li { font-size: 13px; line-height: 1.7; color: var(--text-secondary); }
.zc-feats b { color: var(--text-primary); font-weight: 700; }

/* ===== 响应式 ===== */
@media (max-width: 991px) {
    .zc { padding: 16px 14px 34px; }
    .zc-main { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
    .zc-title { font-size: 19px; }
    .zc-input, .zc-select { font-size: 16px; }
    .zc-modal { max-width: none; border-radius: 16px 16px 0 0; align-self: flex-end; max-height: 92vh; }
    .zc-mask { padding: 0; align-items: flex-end; }
}
@media (max-width: 560px) {
    .zc-stats { grid-template-columns: 1fr 1fr; }
    .zc-drop-btns .zc-btn { flex: 1 1 auto; justify-content: center; }
}

/* ================= 压缩包加密 ================= */
#zcEncBox {
    margin: 0 0 6px;
    padding: 12px 12px 10px;
    background: color-mix(in srgb, var(--accent, #136ce9) 6%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent, #136ce9) 22%, transparent);
    border-radius: 10px;
}
#zcEncBox[hidden] { display: none !important; }
#zcEncBox .zc-field { margin-bottom: 9px; }
#zcEncBox .zc-field:last-of-type { margin-bottom: 0; }
#zcEncBox .zc-tip { margin: 6px 0 0; }
.zc-input[type="password"] {
    font-family: ui-monospace, Consolas, "Courier New", monospace;
    letter-spacing: .04em;
}
/* 密码框在 iOS 上聚焦不缩放 */
@media (max-width: 767px) {
    .zc-input, .zc-select, .zc-modal textarea { font-size: 16px; }
}

/* ================= 发送到邮箱 ================= */
.zc-modal textarea.zc-input {
    display: block;
    width: 100%;
    min-height: 68px;
    padding: 8px 10px;
    line-height: 1.6;
    resize: vertical;
    font-family: inherit;
}
.zc-modal .zc-set-row { align-items: flex-start; }
.zc-modal .zc-set-row > span { padding-top: 8px; }
#zcMailCount { margin: 6px 0 0; }
.zc-result-box.is-ok,
.zc-result-box.is-err { word-break: break-word; }
/* ================= 分卷压缩 ================= */
#zcVolBox { margin: 0 0 6px; }
#zcVolBox[hidden] { display: none !important; }
.zc-vol-size { display: inline-flex; align-items: center; gap: 8px; flex: 1 1 auto; }
.zc-input-sm { flex: 0 0 92px; }
.zc-unit { color: var(--text-secondary, #6b7280); font-size: 13px; }
.zc-vol-presets { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 2px; }
.zc-chip {
    padding: 4px 11px;
    font-size: 12.5px;
    color: var(--text-primary, inherit);
    background: var(--bg-secondary, #f3f4f6);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 999px;
    cursor: pointer;
}
.zc-chip:hover { border-color: var(--accent, #136ce9); color: var(--accent, #136ce9); }
.zc-vol-list { margin: 10px 0 4px; }
.zc-vol-list[hidden] { display: none !important; }
.zc-vol-head { font-size: 12.5px; color: var(--text-secondary, #6b7280); margin-bottom: 7px; }
.zc-vol-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 9px;
    margin-bottom: 5px;
    background: var(--bg-secondary, #f8f9fa);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
}
.zc-vol-row.is-over { border-color: #f59e0b; background: rgba(245, 158, 11, .08); }
.zc-vol-name {
    flex: 0 0 auto;
    font-family: ui-monospace, Consolas, "Courier New", monospace;
    font-size: 12.5px;
    word-break: break-all;
}
.zc-vol-meta { flex: 1 1 auto; text-align: right; font-size: 12px; color: var(--text-secondary, #6b7280); }
.zc-btn-sm { flex: 0 0 auto; min-height: 26px; padding: 0 10px; font-size: 12.5px; }
.zc-vol-all { width: 100%; margin-top: 8px; }

/* ============ 功能标签栏（压缩 / 解压） ============ */
.zc-tabs {
    display: flex; gap: 6px; margin: 0 0 4px; padding: 5px;
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: 14px; width: fit-content; max-width: 100%;
}
.zc-tab {
    appearance: none; border: 0; cursor: pointer; font-family: inherit;
    padding: 9px 20px; border-radius: 10px; font-size: 14px; font-weight: 600;
    background: transparent; color: var(--text-secondary); transition: all .15s;
    white-space: nowrap;
}
.zc-tab:hover { color: var(--accent); }
.zc-tab.is-active {
    background: var(--bg-primary); color: var(--accent);
    box-shadow: 0 1px 3px rgba(0, 0, 0, .08);
}
.zc-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ============ 在线解压 ============ */
.zc-item.is-dir .zc-item-name { color: var(--text-secondary); font-weight: 600; }
.zc-item.is-dir { background: color-mix(in srgb, var(--accent) 4%, transparent); }
.zc-item-dl {
    flex: 0 0 auto; width: 28px; height: 28px; border-radius: 8px;
    border: 1px solid var(--border-color); background: var(--bg-primary);
    color: var(--text-secondary); cursor: pointer; font-size: 13px; line-height: 1; transition: .15s;
}
.zc-item-dl:hover { color: var(--accent); border-color: var(--accent); }
.zc-uz-tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

@media (max-width: 560px) {
    .zc-tabs { width: 100%; }
    .zc-tab { flex: 1 1 0; padding: 9px 8px; text-align: center; }
    .zc-item-dl { width: 34px; height: 34px; }
}

/* ============ 通过网络链接添加 ============ */
.zc-url-area {
    width: 100%; min-height: 76px; resize: vertical; padding: 10px 12px;
    border: 1px solid var(--border-color); border-radius: 10px;
    background: var(--bg-primary); color: var(--text-primary);
    font-size: 13px; line-height: 1.6; font-family: inherit; outline: none;
}
.zc-url-area:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent); }
.zc-url-row { display: flex; gap: 8px; margin-top: 10px; align-items: center; }
.zc-url-input { flex: 1 1 auto; min-width: 0; }
.zc-url-row .zc-btn { flex: 0 0 auto; }
.zc-item-net {
    display: inline-flex; align-items: center; padding: 1px 6px; border-radius: 6px;
    background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent);
    font-size: 11.5px; font-weight: 600;
}
@media (max-width: 560px) {
    .zc-url-row { flex-wrap: wrap; }
    .zc-url-input { flex: 1 1 100%; }
    .zc-url-row .zc-btn { flex: 1 1 auto; }
    .zc-url-area { font-size: 16px; }   /* 防 iOS 聚焦缩放 */
}

/* ============ 分享弹窗（复刻 /music 的分享） ============ */
.zc-hero-main { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.zc-hero-main .zc-title { margin: 0; flex: 0 0 auto; }
.zc-hero-main .zc-btn-ghost:last-child { margin-left: auto; }
.zc-set-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 14px; }
.zc-set-row .zc-field { flex: 1 1 220px; }
.zc-set-row .zc-sw { flex: 1 1 auto; }

.zc-share-box { max-width: 430px; }
.zc-share-body { padding: 18px 20px 20px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.zc-share-title {
    max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    font-size: 14px; color: var(--text-secondary); text-align: center;
}
.zc-share-channels { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.zc-share-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 13px; border: 1px solid var(--border-color); border-radius: 999px;
    background: var(--bg-primary); color: var(--text-primary); font-size: 13.5px; cursor: pointer; transition: .15s;
}
.zc-share-btn:hover { border-color: var(--accent); }
.zc-share-btn.is-active {
    border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent); font-weight: 600;
}
.zc-share-qr-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.zc-share-qr-wrap[hidden] { display: none; }
.zc-share-qr { padding: 10px; background: #fff; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.12); }
.zc-share-qr canvas, .zc-share-qr img { display: block; border-radius: 6px; }
.zc-share-qr-fallback { display: block; max-width: 240px; text-align: center; color: var(--text-secondary); font-size: 13px; line-height: 1.6; }
.zc-share-tip { max-width: 300px; font-size: 13px; line-height: 1.7; color: var(--text-secondary); text-align: center; }
.zc-share-tip b { color: var(--text-primary); }
.zc-share-url-row { display: flex; gap: 8px; width: 100%; }
.zc-share-url { flex: 1; min-width: 0; padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 9px; background: var(--bg-primary); color: var(--text-primary); font-size: 12.5px; outline: none; }
.zc-share-url:focus { border-color: var(--accent); }
.zc-share-url-row .zc-btn { flex-shrink: 0; }
.zc-share-copy-row { display: flex; justify-content: center; }
.zc-share-copy-row .zc-btn { color: var(--text-secondary); }
.zc-share-copy-row .zc-btn:hover { border-color: var(--accent); color: var(--accent); }
@media (max-width: 420px) {
    .zc-share-box { max-width: 100%; }
    .zc-share-url-row { flex-direction: column; }
    .zc-share-url-row .zc-btn { width: 100%; }
}

/* ============ 关于此工具：折叠 ============ */
.zc-about-head { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.zc-about-head h2 { margin: 0; flex: 1; }
.zc-about-toggle {
    flex: 0 0 auto; width: 30px; height: 30px; border: 1px solid var(--border-color);
    border-radius: 8px; background: var(--bg-primary); color: var(--text-secondary);
    cursor: pointer; font-size: 14px; line-height: 1; transition: .15s;
}
.zc-about-toggle:hover { color: var(--accent); border-color: var(--accent); }
.zc-about-body[hidden] { display: none; }

/* ============ 极简折叠按钮（面板与关于区块通用） ============ */
.zc-collapse-btn {
    flex: 0 0 auto; width: 30px; height: 30px; border: 1px solid var(--border-color);
    border-radius: 8px; background: var(--bg-primary); color: var(--text-secondary);
    cursor: pointer; font-size: 14px; line-height: 1; transition: .15s;
}
.zc-collapse-btn:hover { color: var(--accent); border-color: var(--accent); }
.zc-collapse-body[hidden] { display: none; }