/* ===================== 主框架布局 ===================== */
/* 包含：.app、.sidebar、.sb-*、.group-panel、.grp-*、.topbar、.search-overlay*、.toolbar-wrap、
   .filter-tabs、.btn-new、.btn-multi、.tb-*、.content、#content、#viewBox、.fab-*、.to-top、
   .side-scrim、.btn-new-split、.split-menu、.vip-lock-badge、.vip-locked 等 */

#content{scroll-behavior:smooth}

.app{display:flex;height:100vh;height:100dvh}

.sidebar{
  width:var(--sidebar-w);flex:none;background:var(--md-surface-container-low);
  border-right:1px solid var(--md-outline-var);display:flex;flex-direction:column;padding:0;
  align-items:center;position:relative;overflow:hidden;z-index:19;height:100%
}
.sb-brand{padding:16px 0 12px;display:flex;flex-direction:column;align-items:center;gap:6px;border-bottom:none;width:100%}
.sb-logo{width:40px;height:40px;border-radius:var(--md-rs-sm);background:var(--grad-primary);
  display:grid;place-items:center;flex:none}
.sb-logo svg{width:22px;height:22px;color:#fff}
.sb-brand-text b{font-size:11px;font-weight:600;display:block;line-height:1.2;text-align:center;max-width:64px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.sb-brand-text small{font-size:9px;color:var(--muted);font-weight:500;display:block;text-align:center}

.sb-nav{flex:1;overflow-y:auto;padding:10px 4px;width:100%;display:flex;flex-direction:column;align-items:center;gap:2px}

.sb-item{display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:10px 6px 8px;border-radius:var(--md-rs-sm);
  font-size:11px;font-weight:500;color:var(--muted);cursor:pointer;transition:all .2s cubic-bezier(.2,0,0,1);
  margin-bottom:1px;position:relative;width:56px;text-align:center;border:1px solid transparent}
.sb-item:hover{background:var(--md-surface-container-high)}
.sb-item.active{
  color:var(--md-primary);font-weight:600;
  background:linear-gradient(to left, var(--brand-cyan-soft), var(--md-primary-container));
  border-color:transparent
}
.sb-item.active::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:3px;
  border-radius:0 2px 2px 0;background:var(--grad-primary)}
.sb-icon{width:28px;height:28px;border-radius:var(--md-rs-sm);display:grid;place-items:center;flex:none;background:transparent}
.sb-icon svg{width:20px;height:20px;color:inherit;stroke-width:2}

.sb-lbl{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:10.5px;line-height:1.2;width:100%}

.sb-item.sb-group-mgr{display:none}
.sb-count{position:absolute;top:4px;right:2px;font-size:9px;font-weight:700;padding:1px 5px;border-radius:999px;
  background:var(--err);color:#fff;min-width:16px;text-align:center;line-height:1.4;height:16px;display:grid;place-items:center}
.sb-count:empty,.sb-item:not(.active) .sb-count{display:none}
.sb-item.vip-locked{opacity:.5;cursor:not-allowed}
.sb-item.vip-locked:hover{background:transparent}
.sb-item.vip-locked .sb-vip-dot{position:absolute;top:4px;right:4px;width:6px;height:6px;border-radius:50%;background:var(--md-primary);box-shadow:0 0 0 2px var(--md-surface)}
.ac-row.vip-locked{opacity:.55}
.ac-row.vip-locked .r-arrow{color:var(--md-primary)}
.vip-lock-badge{font-size:10px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--md-primary),var(--md-secondary));padding:2px 8px;border-radius:999px;margin-left:auto;align-self:center}
.bk-card.vip-locked{opacity:.7}
.bk-card.vip-locked .bk-head{padding-right:0}

.group-panel{width:220px;flex:none;background:var(--md-surface-container-low);border-right:1px solid var(--md-outline-var);
  display:flex;flex-direction:column;overflow:hidden;z-index:18;height:100%}
.group-panel.hidden{display:none}
.gp-head{padding:16px 16px 12px;display:flex;align-items:center;justify-content:space-between;flex:none}
.gp-head span{font-size:14px;font-weight:600;color:var(--ink);letter-spacing:.2px}
.gp-body{flex:1;overflow-y:auto;padding:8px 10px}

.grp-list{padding:0;display:flex;flex-direction:column;gap:2px}
.grp-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--md-rs-sm);
  font-size:13px;font-weight:500;color:var(--ink);cursor:pointer;transition:all .18s;
  border:1.5px solid transparent;position:relative;touch-action:manipulation}
.grp-item .g-ic{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  flex:none}
.grp-item .g-ic svg{width:16px;height:16px;color:#fff}
.grp-item:hover{background:var(--md-surface-container-high)}

.grp-item.active{
  color:var(--md-primary);font-weight:600;
  background:linear-gradient(to left, var(--brand-cyan-soft), var(--md-primary-container));border-color:transparent
}
.grp-item.active::before{content:none} 
.grp-label{flex:1;min-width:0;white-space:nowrap;overflow:visible;text-overflow:clip;font-size:13px;line-height:1.3}
.grp-del{margin-left:6px;width:20px;height:20px;border-radius:var(--md-rs-full);background:transparent;
  color:var(--muted-2);display:grid;place-items:center;opacity:0;flex:none;transition:all .15s}
.grp-item:hover .grp-del{opacity:1}
.grp-del:hover{background:var(--md-error-container);color:var(--md-error)}

.grp-rename{margin-left:6px;width:20px;height:20px;border-radius:var(--md-rs-full);background:transparent;
  color:var(--muted-2);display:grid;place-items:center;opacity:0;flex:none;transition:all .15s}
.grp-item:hover .grp-rename{opacity:1}
.grp-rename:hover{background:var(--md-primary-container);color:var(--md-primary)}

.grp-list.editing .grp-item{padding-right:8px;border-color:var(--md-outline-var);background:var(--md-surface)}
.grp-list.editing .grp-item.active{background:var(--md-primary-container)}
.grp-list.editing .grp-del{opacity:1}
.grp-list.editing .grp-rename{opacity:1}
.grp-list.editing .grp-item.dragging{opacity:.5;background:var(--md-surface-container-high);box-shadow:var(--shadow)}
.grp-list.editing .grp-item.drag-over{border-top:2px solid var(--md-primary);padding-top:8px}
.grp-edit-exit{flex:none;width:28px;height:28px;border-radius:var(--md-rs-full);background:transparent;color:var(--muted);display:none;place-items:center;cursor:pointer;transition:all .15s}
.grp-edit-exit.show{display:grid}
.grp-edit-exit:hover{background:var(--md-surface-container-high);color:var(--ink)}
.grp-edit-exit svg{width:16px;height:16px}

.gp-head-acts{display:flex;align-items:center;gap:4px}

.grp-list.editing .grp-item[data-group]:not([data-group="__all"]){cursor:grab}
.grp-list.editing .grp-item.dragging{cursor:grabbing}

.grp-panel-close{display:none !important}
.grp-empty{font-size:12px;color:var(--muted);padding:14px 12px;line-height:1.5;text-align:center}
.grp-add-bottom{display:flex;align-items:center;justify-content:center;gap:6px;width:calc(100% - 16px);margin:8px auto 0;padding:9px 12px;border:1.5px dashed var(--md-outline);
  border-radius:var(--md-rs-sm);background:var(--md-surface);color:var(--md-primary);font-size:12.5px;font-weight:600;cursor:pointer;transition:all .14s}
.grp-add-bottom:hover{background:var(--md-primary-container);border-style:solid}

.grp-edit-bottom{display:flex;align-items:center;justify-content:center;gap:6px;width:calc(100% - 16px);margin:8px auto 0;padding:9px 12px;border:1.5px solid var(--md-outline-var);
  border-radius:var(--md-rs-sm);background:var(--md-surface);color:var(--muted);font-size:12.5px;font-weight:600;cursor:pointer;transition:all .14s}
.grp-edit-bottom svg{width:15px;height:15px}
.grp-edit-bottom:hover{background:var(--md-primary-container);color:var(--md-primary);border-color:var(--md-primary)}
.grp-edit-bottom.editing{background:var(--md-primary-container);color:var(--md-primary);border-color:var(--md-primary)}

.main{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--bg);overflow:hidden;height:100%}

.topbar{display:flex;align-items:center;gap:12px;padding:8px 20px;background:var(--md-surface);
  position:sticky;top:0;z-index:10;flex:none;
  height:64px;overflow:hidden;transition:height .25s ease,padding .25s ease,opacity .25s ease;will-change:height,opacity}

/* ===================== 顶栏隐藏动画 ===================== */
/* 用 height:0 折叠布局空间（box-sizing:border-box 下 padding 也被包含），
   替代 margin-top:-64px 瞬间切换，避免下方分组标签突兀上移。
   不用 transform:translateY(-100%) 是因为它与 height 同步 transition 会在
   中间帧产生视觉间隙（topbar 视觉底边与 content 顶部之间出现背景色空白）。 */
.topbar.hide{height:0;padding-top:0;padding-bottom:0;opacity:0;pointer-events:none}
.hamb{display:none;width:40px;height:40px;border-radius:var(--md-rs-full);background:transparent;
  color:var(--muted);place-items:center;flex:none;transition:background .15s}
.hamb:hover{background:var(--md-surface-container-high)}
.hamb svg{width:22px;height:22px}
.tb-header{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.tb-icon{width:40px;height:40px;border-radius:var(--md-rs-sm);background:var(--grad-primary);
  display:grid;place-items:center;flex:none}
.tb-icon svg{width:22px;height:22px;color:#fff}
.tb-titles{min-width:0}
.tb-titles b{font-size:16px;font-weight:600;display:block;line-height:1.3;color:var(--ink)}
.tb-titles small{font-size:12px;color:var(--muted);font-weight:400}


.tb-search{width:40px;height:40px;border-radius:var(--md-rs-full);border:none;background:transparent;color:var(--md-on-surface-variant);cursor:pointer;display:grid;place-items:center;flex:none;transition:background .15s}
.tb-search:hover{background:var(--md-surface-container-high)}
.tb-search svg{width:20px;height:20px}

.search-overlay{position:absolute;left:0;right:0;top:0;bottom:0;background:var(--md-surface);display:flex;align-items:center;gap:8px;padding:0 16px;z-index:10;transform:translateY(-100%);opacity:0;visibility:hidden;transition:transform .25s cubic-bezier(.2,.9,.3,1),opacity .2s,visibility .2s}
.search-overlay.open{transform:translateY(0);opacity:1;visibility:visible}
.search-overlay-back{width:40px;height:40px;border-radius:var(--md-rs-full);border:none;background:transparent;color:var(--md-on-surface-variant);cursor:pointer;display:grid;place-items:center;flex:none;transition:background .15s}
.search-overlay-back:hover{background:var(--md-surface-container-high)}
.search-overlay-back svg{width:22px;height:22px}
.search-overlay-field{flex:1;display:flex;align-items:center;gap:8px;background:var(--md-surface-container);border:1.5px solid var(--md-outline-var);border-radius:var(--md-rs-sm);padding:0 14px;height:42px;transition:border-color .15s}
.search-overlay-field:focus-within{border-color:var(--md-primary)}
.search-overlay-icon{width:18px;height:18px;color:var(--md-muted);flex:none}
.search-overlay-field input{flex:1;min-width:0;border:none;outline:none;background:transparent;font-size:14px;color:var(--md-on-surface);height:100%;font-family:inherit}
.search-overlay-field input::placeholder{color:var(--md-muted)}
.search-overlay-clear{width:24px;height:24px;border-radius:50%;border:none;background:transparent;color:var(--md-muted);cursor:pointer;display:grid;place-items:center;flex:none;transition:background .15s}
.search-overlay-clear:hover{background:var(--md-surface-container-high)}
.search-overlay-clear svg{width:16px;height:16px}

.toolbar-wrap{display:flex;align-items:center;gap:10px;padding:10px 20px;flex-shrink:0;flex-wrap:wrap;justify-content:space-between;background:var(--md-surface);
  position:relative;z-index:5}

.filter-tabs{display:flex;gap:6px;flex-wrap:wrap}
.ftab{padding:7px 16px;border-radius:var(--md-rs-full);font-size:13px;font-weight:500;
  border:1.5px solid var(--md-outline);background:var(--md-surface);color:var(--muted);cursor:pointer;transition:all .18s;white-space:nowrap;
  height:36px;display:inline-flex;align-items:center}
.ftab:hover{border-color:var(--md-primary);color:var(--md-primary)}
.ftab.active{background:var(--grad-primary-soft);color:var(--md-primary);border-color:var(--md-primary);font-weight:600}

.tool-right{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;position:relative}
.seg{display:flex;background:var(--md-surface-container-high);border-radius:var(--md-rs-sm);padding:4px;gap:2px}
.seg button{border:none;background:transparent;color:var(--muted);padding:7px 11px;border-radius:8px;
  display:grid;place-items:center;transition:all .15s;font-size:13px}
.seg button svg{width:17px;height:17px}
.seg button.active{background:var(--md-surface);color:var(--ink);box-shadow:var(--shadow-sm);font-weight:600}
.seg button:active{transform:scale(.94)}


.btn-new{border-radius:20px;padding:0 24px;height:40px;font-size:14px;font-weight:600;color:var(--md-on-primary);
  background:var(--grad-primary);display:inline-flex;align-items:center;gap:8px;transition:all .2s cubic-bezier(.2,0,0,1);
  letter-spacing:.03em;line-height:1;box-shadow:var(--shadow-brand)}
.btn-new svg{width:18px;height:18px}
.btn-new:hover{background:var(--grad-primary-hover);box-shadow:var(--shadow-brand-hover);transform:translateY(-1px)}
.btn-new:active{transform:translateY(0) scale(.97);box-shadow:var(--shadow-brand)}

.btn-new.outline{background:transparent;color:var(--md-primary);border:1.5px solid var(--md-outline);
  box-shadow:none}
.btn-new.outline:hover{background:var(--md-primary-container);box-shadow:none}

.btn-multi{border-radius:20px;padding:0 16px;height:36px;font-size:13px;font-weight:600;color:var(--md-primary);
  background:transparent;border:1.5px solid var(--md-outline);display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  transition:all .15s;flex:none;letter-spacing:.02em}
.btn-multi svg{width:17px;height:17px}
.btn-multi:hover{background:var(--md-primary-container)}
.btn-multi.active{background:var(--md-primary);color:var(--md-on-primary);border-color:transparent;box-shadow:var(--shadow-brand)}
.btn-multi:active{transform:scale(.96)}

.tb-account{display:inline-flex;align-items:center;gap:8px;margin-left:auto;background:var(--md-surface-container-high);
  border:1.5px solid transparent;border-radius:var(--md-rs-full);padding:4px 12px 4px 5px;cursor:pointer;
  transition:all .15s;flex:none;height:40px}
.tb-account:hover{background:var(--md-surface-container-high);border-color:var(--md-outline-var)}
.tb-account .ava{width:32px;height:32px;border-radius:50%;background:var(--grad-primary);
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;flex:none;overflow:hidden}
.tb-account .ava img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block}
.tb-account-info{text-align:left;line-height:1.2}
.tb-account-info b{font-size:13px;font-weight:600;color:var(--ink);display:block}
.tb-account-info small{font-size:10.5px;color:var(--muted);display:block}

.tb-more{display:none;width:40px;height:40px;border-radius:var(--md-rs-full);background:transparent;color:var(--muted);
  align-items:center;justify-content:center;cursor:pointer;transition:background .15s;flex:none;margin-left:4px}
.tb-more:hover{background:var(--md-surface-container-high)}
.tb-more svg{width:22px;height:22px}
.tb-more-menu{position:fixed;top:auto;right:auto;z-index:50;background:var(--md-surface);border:1px solid var(--md-outline-var);
  border-radius:var(--md-rs-md);box-shadow:var(--shadow-lg);padding:8px;min-width:150px;display:none;flex-direction:column;gap:2px}
.tb-more-menu.open{display:flex}
.tbm-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:var(--md-rs-sm);font-size:13.5px;
  font-weight:600;color:var(--ink);background:transparent;cursor:pointer;transition:background .15s;border:none}
.tbm-item:hover{background:var(--md-primary-container);color:var(--md-on-primary-container)}
.tbm-item.active{background:var(--grad-primary-soft);color:var(--md-primary)}
.tbm-item svg{width:17px;height:17px;flex:none}

.sub-filter{display:flex;align-items:center;gap:10px;padding:8px 20px 0;flex-shrink:0;flex-wrap:wrap}

.stats-row{display:flex;align-items:center;gap:16px;padding:8px 20px;font-size:12.5px;color:var(--muted);flex-shrink:0;flex-wrap:wrap}
.stats-row b{font-weight:600}
.stat-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:5px}
.stat-dot.blue{background:var(--md-primary)}
.stat-dot.purple{background:var(--md-secondary)}
.stat-dot.red{background:var(--err)}

.content{flex:1;min-height:0;overflow-y:auto;padding:20px 24px;background:var(--bg)}
#viewBox{transition:opacity .2s ease, transform .2s ease}
#viewBox.switching{opacity:0;transform:translateY(8px)}

#viewBox.no-anim .card,
#viewBox.no-anim .row-item,
#viewBox.no-anim .img-card,
#viewBox.no-anim .key-card,
#viewBox.no-anim .card-soft,
#viewBox.no-anim .recycle-item,
#viewBox.no-anim .doc-empty{animation:none!important}

.side-scrim{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:18;opacity:0;pointer-events:none;transition:opacity .25s}
.side-scrim.show{opacity:1;pointer-events:auto}

.float-fab{position:fixed;right:32px;bottom:calc(32px + env(safe-area-inset-bottom,0px));z-index:18;transition:opacity .25s,transform .25s}

body.multi-on .float-fab,
body.fab-hide .float-fab,
body.side-open .float-fab{opacity:0;transform:translateY(120%);pointer-events:none}

.to-top{position:fixed;right:20px;bottom:calc(92px + env(safe-area-inset-bottom,0px));z-index:41;
  width:42px;height:42px;border-radius:50%;border:1px solid var(--md-outline-var);
  background:var(--md-surface);color:var(--md-primary);display:grid;place-items:center;
  cursor:pointer;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s,transform .2s,visibility 0s linear .2s}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);transition:opacity .2s,transform .2s}
.to-top:hover{background:var(--md-primary-container);border-color:var(--md-primary)}
.to-top svg{width:18px;height:18px}
body.multi-on .to-top{opacity:0;pointer-events:none}
.fab-main{display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 20px 0 16px;border-radius:16px;background:var(--grad-primary);color:#fff;
  font-size:15px;font-weight:700;box-shadow:var(--shadow-brand);transition:all .18s;cursor:pointer;border:none;white-space:nowrap}
.fab-main svg{width:24px;height:24px;flex:none}
.fab-main:disabled,.fab-main[hidden]{display:none}

.btn-new-split{display:none}

.btn-new-split .btn-new{border-radius:var(--md-rs-full) 0 0 var(--md-rs-full);padding-right:16px}

.btn-new-caret{width:32px;margin-left:0;border:none;border-radius:0 var(--md-rs-full) var(--md-rs-full) 0;
  background:var(--grad-primary);color:var(--md-on-primary);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .15s;flex:none;
  border-left:1.5px solid rgba(255,255,255,.42)}
.btn-new-caret svg{width:15px;height:15px;transition:transform .15s}
.btn-new-caret.open svg{transform:rotate(180deg)}

.btn-new-split:not(.no-caret){box-shadow:var(--shadow-brand);border-radius:var(--md-rs-full);transition:all .2s cubic-bezier(.2,0,0,1)}
.btn-new-split:not(.no-caret):hover{transform:translateY(-1px);box-shadow:var(--shadow-brand-hover)}
.btn-new-split:not(.no-caret) .btn-new,
.btn-new-split:not(.no-caret) .btn-new-caret{box-shadow:none}
.btn-new-split:not(.no-caret) .btn-new:hover,
.btn-new-split:not(.no-caret) .btn-new-caret:hover{transform:none;background:var(--grad-primary-hover)}

.btn-new-split.no-caret .btn-new{border-radius:var(--md-rs-full);padding-right:24px}
.btn-new-split.no-caret .btn-new-caret{display:none}
.btn-new-split.no-caret{box-shadow:none}
.split-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:45;min-width:196px;
  background:var(--md-surface);border:1.5px solid var(--line);border-radius:var(--md-rs-md);
  box-shadow:var(--shadow-lg);padding:6px;display:none;animation:fadeUp .16s ease both}
.split-menu.show{display:block}
.split-menu button{display:flex;align-items:center;gap:10px;width:100%;border:none;background:transparent;
  padding:10px 12px;border-radius:var(--md-rs-sm);font-size:13.5px;font-weight:600;color:var(--ink);text-align:left;
  cursor:pointer;transition:background .12s;white-space:nowrap}
.split-menu button svg{width:17px;height:17px;color:var(--md-primary);flex:none}
.split-menu button:hover{background:var(--md-primary-container);color:var(--md-primary)}
.split-menu button:active{transform:scale(.98)}

.sb-item.active::before{animation:barIn .25s cubic-bezier(.34,1.4,.64,1) both}
@keyframes barIn{from{transform:scaleY(0);opacity:0}to{transform:scaleY(1);opacity:1}}

.fab-main{animation:fabIn .35s cubic-bezier(.34,1.4,.64,1) both}
@keyframes fabIn{from{transform:scale(.6) translateY(12px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}