/* ============================================================
 * 文件夹结构 提取 / 生成器 — /tools/foldertree
 * 全屏工具，桌面 / 平板 / 手机三端适配
 * ============================================================ */

/* 占满整屏（站点规范：保留左侧导航，内容占满） */
body[data-page="foldertree"] .app { max-width: 100%; }
body[data-page="foldertree"] .main-content { max-width: 100%; width: 100%; border-right: 0; }

.ft-page {
    max-width: none;
    margin: 0;
    padding: 28px 40px 60px;
    box-sizing: border-box;
}

/* 标题区 */
.ft-hero { margin-bottom: 22px; }
.ft-title {
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 8px;
    letter-spacing: .5px;
}
.ft-sub {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.7;
    color: var(--text-secondary, #6b7280);
    max-width: 820px;
}
.ft-sub b { color: var(--accent, #1d9bf0); }

/* 模式切换标签 */
.ft-tabs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.ft-tabs-main {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.ft-settings-btn {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color, #e5e7eb);
    background: var(--bg-primary, #fff);
    color: var(--text-secondary, #6b7280);
    border-radius: 10px;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    transition: all .15s;
}
.ft-settings-btn:hover { border-color: var(--accent, #1d9bf0); color: var(--accent, #1d9bf0); }
.ft-tab {
    border: 1px solid var(--border-color, #e5e7eb);
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111);
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 14.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
}
.ft-tab:hover { border-color: var(--accent, #1d9bf0); }
.ft-tab.is-active {
    background: var(--accent, #1d9bf0);
    border-color: var(--accent, #1d9bf0);
    color: #fff;
}

/* 卡片 */
.ft-card {
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

/* 上传区 */
.ft-drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 26px 16px;
    border: 2px dashed var(--border-color, #e5e7eb);
    border-radius: 14px;
    background: var(--bg-secondary, #f8fafc);
    text-align: center;
}
.ft-upload-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 12px;
}
.ft-sel {
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid var(--border-color, #d1d5db);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    line-height: 1.2;
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111);
    cursor: pointer;
    max-width: 240px;
}
.ft-sel:focus { outline: none; border-color: var(--accent, #1d9bf0); }
.ft-sel:hover { border-color: var(--accent, #1d9bf0); color: var(--accent, #1d9bf0); }
.ft-hint {
    font-size: 12.5px;
    color: var(--text-secondary, #6b7280);
    line-height: 1.6;
    margin: 0;
}
.ft-hint strong { color: var(--danger, #d33); }

/* 按钮 */
.ft-btn {
    border: 1px solid var(--border-color, #e5e7eb);
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111);
    padding: 8px 16px;
    border-radius: 9px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
}
.ft-btn:hover { border-color: var(--accent, #1d9bf0); color: var(--accent, #1d9bf0); }
.ft-btn-primary {
    background: var(--accent, #1d9bf0);
    border-color: var(--accent, #1d9bf0);
    color: #fff;
}
.ft-btn-primary:hover { opacity: .9; color: #fff; }
.ft-btn-ghost { background: none; color: var(--text-secondary, #6b7280); }
.ft-btn-ghost:hover { color: var(--danger, #d33); border-color: var(--danger, #d33); }

/* 统计 */
.ft-stats {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-secondary, #6b7280);
}
.ft-stats b { color: var(--accent, #1d9bf0); font-size: 15px; }

/* 输出头部 */
.ft-out-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.ft-out-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.ft-stat { font-size: 13px; color: var(--text-secondary, #6b7280); }
.ft-stat b { color: var(--accent, #1d9bf0); }

/* 分段控件 */
.ft-seg {
    display: inline-flex;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 9px;
    overflow: hidden;
}
.ft-seg button {
    border: 0;
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111);
    padding: 7px 16px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
}
.ft-seg button.active { background: var(--accent, #1d9bf0); color: #fff; }

/* 预览文本 */
.ft-pre {
    margin: 0;
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 10px;
    padding: 14px 16px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.65;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-primary, #111);
}

/* 生成：子标签 */
.ft-gen-tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.ft-tab2 {
    border: 1px solid var(--border-color, #e5e7eb);
    background: var(--bg-primary, #fff);
    color: var(--text-primary, #111);
    padding: 8px 14px;
    border-radius: 9px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
}
.ft-tab2.is-active { background: var(--accent, #1d9bf0); border-color: var(--accent, #1d9bf0); color: #fff; }
.ft-gen-pane { margin-top: 4px; }
.ft-gen-sample-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.ft-gen-sample-row .ft-hint { margin: 0; }
.ft-row { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }

.ft-input {
    width: 100%;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 10px;
    padding: 12px 14px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
    box-sizing: border-box;
    background: var(--bg-secondary, #f8fafc);
    color: var(--text-primary, #111);
}

/* 提取来源子标签（本地 / 远程服务器） */
.ft-src-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
}
.ft-src-tab {
    flex: 0 0 auto;
    border: 1px solid var(--border-color, #e5e7eb);
    background: var(--bg-primary, #fff);
    color: var(--text-secondary, #6b7280);
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 13.5px;
    cursor: pointer;
    transition: all .15s ease;
}
.ft-src-tab:hover { border-color: var(--accent, #1d9bf0); color: var(--text-primary, #111); }
.ft-src-tab.is-active {
    background: var(--accent, #1d9bf0);
    border-color: var(--accent, #1d9bf0);
    color: #fff;
}

/* 远程服务器表单 */
.ft-remote-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px 16px;
    margin-bottom: 14px;
}
.ft-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 12.5px;
    color: var(--text-secondary, #6b7280);
}
.ft-input-sm {
    width: 100%;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 9px;
    padding: 9px 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    box-sizing: border-box;
    background: var(--bg-secondary, #f8fafc);
    color: var(--text-primary, #111);
}
.ft-remote-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ft-remote-presets { margin-bottom: 12px; }
.ft-remote-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.ft-remote-save { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-secondary, #6b7280); cursor: pointer; }
.ft-remote-status {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 9px;
    font-size: 13px;
    line-height: 1.6;
}
.ft-remote-status.is-loading { background: #eef6ff; color: #1d6fb8; }
.ft-remote-status.is-ok { background: #ecfdf3; color: #16794b; }
.ft-remote-status.is-err { background: #fef2f2; color: #c0392b; }

@media (max-width: 640px) {
    .ft-remote-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* 上传到服务器（生成模式） */
.ft-upload { border: 1px solid var(--border-color, #e5e7eb); }
.ft-upload-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; cursor: default;
}
.ft-upload-title { font-size: 15px; font-weight: 600; color: var(--text-primary, #111); }
.ft-upload-toggle {
    border: 1px solid var(--border-color, #e5e7eb); background: var(--bg-primary, #fff);
    color: var(--text-secondary, #6b7280); border-radius: 8px; padding: 5px 14px;
    font-size: 13px; cursor: pointer;
}
.ft-upload-toggle:hover { color: var(--accent, #1d9bf0); border-color: var(--accent, #1d9bf0); }
.ft-upload-body { padding: 4px 18px 18px; border-top: 1px dashed var(--border-color, #e5e7eb); }
.ft-field-wide { grid-column: 1 / -1; }
.ft-upload-btn { margin-top: 4px; }
.ft-remote-status a.ft-login-link { color: var(--accent, #1d9bf0); text-decoration: underline; }

/* 树形编辑器 */
.ft-tree-tools { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.ft-tree, .ft-tree ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.ft-tree ul { margin-left: 22px; padding-left: 14px; border-left: 1px dashed var(--border-color, #e5e7eb); }
.ft-node {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 4px;
}
.ft-node .ft-node-ico { color: var(--accent, #1d9bf0); font-size: 15px; }
.ft-node .ft-node-ico.is-file { color: var(--text-secondary, #6b7280); }
.ft-node-name {
    flex: 0 1 auto;
    min-width: 120px;
    max-width: 360px;
    border: 1px solid transparent;
    background: transparent;
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 13.5px;
    color: var(--text-primary, #111);
}
.ft-node-name:hover, .ft-node-name:focus {
    border-color: var(--border-color, #e5e7eb);
    background: var(--bg-primary, #fff);
    outline: none;
}
.ft-node-btn {
    border: 0;
    background: none;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    font-size: 13px;
    padding: 3px 6px;
    border-radius: 6px;
}
.ft-node-btn:hover { color: var(--accent, #1d9bf0); background: var(--bg-secondary, #f8fafc); }
.ft-node-btn.danger:hover { color: var(--danger, #d33); background: #fff1f1; }

.ft-foot {
    margin-top: 18px;
    font-size: 12.5px;
    color: var(--text-secondary, #6b7280);
    text-align: center;
}
.ft-foot strong { color: var(--text-primary, #111); }

/* 兜底 toast（优先复用站点全局 toast） */
.ft-toast {
    position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
    background: rgba(17,24,39,.92); color: #fff; padding: 10px 18px; border-radius: 10px;
    font-size: 13.5px; z-index: 200000; box-shadow: 0 6px 24px rgba(0,0,0,.18); pointer-events: none;
}
.ft-toast.is-err { background: #d33; }

/* 平板 */
@media (max-width: 991px) {
    .ft-page { padding: 22px 16px 48px; }
    .ft-title { font-size: 24px; }
}

/* 手机 */
@media (max-width: 640px) {
    .ft-page { padding: 16px 12px 40px; }
    .ft-title { font-size: 21px; }
    .ft-card { padding: 14px; border-radius: 12px; }
    .ft-tab { flex: 1 1 auto; text-align: center; padding: 10px 8px; font-size: 13.5px; }
    .ft-tab2 { flex: 1 1 auto; text-align: center; }
    .ft-out-head { align-items: stretch; }
    .ft-out-actions { width: 100%; }
    .ft-out-actions .ft-btn { flex: 1 1 auto; }
    .ft-row { align-items: stretch; }
    .ft-row .ft-btn { flex: 1 1 auto; }
    .ft-pre { font-size: 12px; }
    .ft-node-name { min-width: 90px; max-width: 60vw; }
}

/* ==================== 设置弹窗 ==================== */
.ft-mask {
    position: fixed; inset: 0; z-index: 100000;
    display: flex; align-items: center; justify-content: center;
    padding: 16px; box-sizing: border-box;
    background: rgba(15, 23, 42, .45);
}
.ft-mask[hidden] { display: none !important; }
.ft-modal {
    width: 100%; max-width: 460px;
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 14px; overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, .18);
}
.ft-modal-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px; border-bottom: 1px solid var(--border-color, #eef0f3);
}
.ft-modal-title { margin: 0; font-size: 16px; font-weight: 700; }
.ft-modal-close {
    border: none; background: none; cursor: pointer; line-height: 1;
    font-size: 18px; color: var(--text-secondary, #6b7280);
    padding: 4px 8px; border-radius: 8px;
}
.ft-modal-close:hover { background: var(--bg-secondary, #f1f5f9); color: var(--text-primary, #111827); }
.ft-modal-body { padding: 8px 16px 4px; }
.ft-set-row { padding: 14px 0; border-bottom: 1px dashed var(--border-color, #eef0f3); }
.ft-set-row:last-child { border-bottom: none; }
.ft-set-label { font-weight: 600; font-size: 14px; margin-bottom: 10px; }
.ft-set-opts { display: flex; flex-direction: column; gap: 9px; }
.ft-set-opts label { display: flex; align-items: center; gap: 8px; font-size: 13.5px; cursor: pointer; }
.ft-set-opts input[type="radio"] { accent-color: var(--accent, #1d9bf0); width: 16px; height: 16px; }
.ft-set-sel { margin-top: 4px; }
.ft-set-tip { margin: 9px 0 0; font-size: 12px; line-height: 1.6; color: var(--text-secondary, #9aa3b2); }
.ft-modal-foot {
    display: flex; align-items: center; gap: 8px;
    padding: 14px 16px; border-top: 1px solid var(--border-color, #eef0f3);
}
.ft-modal-spacer { flex: 1 1 auto; }

/* 手机：设置弹窗按钮全宽 */
@media (max-width: 560px) {
    .ft-modal-foot .ft-btn { flex: 1 1 auto; }
    .ft-set-opts label { font-size: 14px; }
}

/* ==================== 分享弹窗（朋友圈 / 微信好友 / 微博） ==================== */
.ft-share-box { max-width: 430px; }
.ft-share-body { padding: 18px 20px 20px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.ft-share-title {
    max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    font-size: 14px; color: var(--text-secondary, #6b7280); text-align: center;
}
.ft-share-channels { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.ft-share-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 13px; border: 1px solid var(--border-color, #e5e7eb); border-radius: 999px;
    background: var(--bg-primary, #fff); color: var(--text-primary, #111); font-size: 13.5px; cursor: pointer; transition: .15s;
}
.ft-share-btn:hover { border-color: var(--accent, #1d9bf0); }
.ft-share-btn.is-active { border-color: var(--accent, #1d9bf0); background: rgba(29,155,240,.12); color: var(--accent, #1d9bf0); font-weight: 600; }
.ft-share-qr-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.ft-share-qr-wrap[hidden] { display: none; }
.ft-share-qr {
    padding: 10px; background: #fff; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.12);
}
.ft-share-qr canvas, .ft-share-qr img { display: block; border-radius: 6px; }
.ft-share-qr-fallback { display: block; max-width: 240px; text-align: center; color: var(--text-secondary, #6b7280); font-size: 13px; line-height: 1.6; }
.ft-share-tip { max-width: 300px; font-size: 13px; line-height: 1.7; color: var(--text-secondary, #6b7280); text-align: center; }
.ft-share-tip b { color: var(--text-primary, #111); }
.ft-share-url-row { display: flex; gap: 8px; width: 100%; }
.ft-share-url {
    flex: 1; min-width: 0; padding: 8px 12px; border: 1px solid var(--border-color, #e5e7eb); border-radius: 9px;
    background: var(--bg-primary, #fff); color: var(--text-primary, #111); font-size: 12.5px; outline: none;
}
.ft-share-url:focus { border-color: var(--accent, #1d9bf0); }
.ft-share-url-row .ft-btn { flex-shrink: 0; }
.ft-share-copy-row { display: flex; justify-content: center; }
.ft-share-copy-row .ft-btn { color: var(--text-secondary, #6b7280); }
.ft-share-copy-row .ft-btn:hover { border-color: var(--accent, #1d9bf0); color: var(--accent, #1d9bf0); }
@media (max-width: 420px) {
    .ft-share-box { max-width: 100%; }
    .ft-share-url-row { flex-direction: column; }
    .ft-share-url-row .ft-btn { width: 100%; }
}