/* 拓扑Lab - ChatGPT-style */
*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#f8f9fb;--card:#fff;--bd:#e5e7ec;--tx:#1e1e2e;--mt:#8b8fa3;--bl:#5b8dbe;--bl2:#4a7cb5;--gn:#07c160;--rd:#e74c3c;--or:#e67e22;--sh:0 1px 3px rgba(0,0,0,.04);--r:10px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;font-size:15px;color:var(--tx);background:var(--bg);height:100vh;overflow:hidden}
button,input,textarea,select{font:inherit;outline:none}
input,textarea{border:1px solid var(--bd);border-radius:8px;padding:9px 12px;font-size:15px;width:100%;background:#f9fafb;transition:border-color .2s}
input:focus,textarea:focus{border-color:var(--bl);background:#fff}
textarea{resize:none}

/* Top bar */
.topbar{height:50px;background:var(--card);border-bottom:1px solid var(--bd);display:flex;align-items:center;padding:0 20px;gap:14px;z-index:100;position:relative}
.topbar-brand{font-size:17px;font-weight:700;color:var(--tx);white-space:nowrap}
.topbar-brand span{color:var(--bl)}
.topbar-search{flex:1;max-width:440px;position:relative}
.topbar-search input{padding-left:34px;border-radius:20px;height:36px;border-color:var(--bd);font-size:14px}
.s-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--mt);font-size:15px}
.topbar-right{display:flex;align-items:center;gap:18px;margin-left:auto}
.coin-badge{font-size:14px;font-weight:600;color:var(--or)}
.bell-wrap{position:relative;cursor:pointer;font-size:17px;padding:4px}
.bell-wrap .dot{position:absolute;top:2px;right:2px;width:7px;height:7px;background:var(--rd);border-radius:50%;display:none}
.bell-wrap .dot.on{display:block}
.avatar-btn{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;cursor:pointer;overflow:hidden;flex-shrink:0}
.avatar-btn img{width:100%;height:100%;object-fit:cover}

/* Dropdowns */
.dropdown-panel{position:absolute;top:100%;margin-top:6px;background:var(--card);border-radius:12px;box-shadow:0 8px 28px rgba(0,0,0,.14);z-index:999;display:none;right:0}
#annPanel{right:0;width:320px;max-height:400px;overflow-y:auto;padding:8px}
#userMenu{right:0;width:260px;padding:0}
.bell-wrap,.avatar-btn-wrap{position:relative}
.user-menu-item{padding:10px 12px;border-radius:8px;cursor:pointer;font-size:14px;display:flex;align-items:center;gap:8px}
.user-menu-item:hover{background:#f0f2f5}
.user-menu-divider{margin:4px 0;border-top:1px solid var(--bd)}
.user-menu-header{padding:10px 12px;font-size:15px;font-weight:600}
.user-menu-sub{font-size:13px;color:var(--mt);padding:0 12px 8px}

/* Main layout */
.main-layout{display:flex;height:calc(100vh - 50px)}
.sidebar{width:360px;min-width:280px;max-width:520px;background:var(--card);border-right:1px solid var(--bd);display:flex;flex-direction:column;overflow:hidden;position:relative}
.resize-handle{position:absolute;top:0;right:-3px;width:6px;height:100%;cursor:col-resize;z-index:10;transition:background .15s}
.resize-handle:hover,.resize-handle.active{background:var(--bl)}
.side-top{padding:12px 10px 0}
.side-top h2{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--tx);padding-left:4px}
.side-actions{display:flex;flex-direction:column;gap:4px;padding-bottom:8px;border-bottom:1px solid var(--bd)}
.side-main-row{display:flex;flex-direction:column;gap:2px}
.side-btn{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;border:none;border-radius:8px;background:transparent;font-size:13px;font-weight:500;color:var(--tx);cursor:pointer;transition:all .15s;text-align:left}
.side-btn:hover{background:#f0f4f9;color:var(--bl)}
.side-btn.primary{background:var(--bl);color:#fff;font-weight:600}
.side-btn.primary:hover{background:var(--bl2)}
.side-sub-row{display:flex;justify-content:flex-end;gap:2px;padding:2px 2px 0}
.side-icon-btn{width:26px;height:26px;border-radius:6px;border:none;background:transparent;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;position:relative;opacity:.55}
.side-icon-btn:hover{opacity:1;background:rgba(0,0,0,.04)}
.side-icon-btn:hover::after{content:attr(title);position:absolute;bottom:-22px;right:0;background:#333;color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;white-space:nowrap;pointer-events:none;z-index:10}
.side-body{flex:1;overflow-y:auto;padding:4px 0}

/* Folder items */
.folder-item{padding:8px 14px;cursor:pointer;font-size:14px;display:flex;align-items:center;gap:6px;transition:background .12s;color:var(--tx)}
.folder-item:hover{background:#f0f4f9}
.folder-item.active{background:#eaf1f9;color:var(--bl);font-weight:600}
.folder-item .arrow{font-size:11px;width:14px;flex-shrink:0;transition:transform .15s}
.folder-item .arrow.open{transform:rotate(90deg)}
.folder-item .count{font-size:11px;color:var(--mt);margin-left:auto}
.folder-del{font-size:12px;cursor:pointer;padding:0 4px;color:#ccc;transition:color .15s}
.folder-del:hover{color:var(--rd)}
.folder-sel-all{font-size:12px;cursor:pointer;padding:2px 6px;border-radius:4px;color:var(--bl);transition:all .15s;margin-left:4px}
.folder-sel-all:hover{background:#e3f0fd;font-weight:600}
/* ===== Batch Mode ===== */
/* Sidebar header in batch mode */
.side-body.batch-mode::before{content:'批量操作模式';display:block;padding:10px 14px;font-size:13px;font-weight:600;color:#e67e22;background:linear-gradient(180deg,#fef9f0,#fef3e0);border-bottom:1px solid #fce4b8;position:sticky;top:0;z-index:4}
/* Batch toolbar — bottom floating */
.batch-bar{position:sticky;bottom:0;z-index:10;display:flex;align-items:center;gap:6px;padding:10px 14px;background:rgba(30,30,50,.92);backdrop-filter:blur(12px);color:#fff;font-size:13px;font-weight:500;margin-top:auto;border-radius:0;transition:all .25s}
.batch-bar .count-text{flex:1;font-weight:600}
.batch-bar .btn{font-size:12px;padding:6px 12px;border-radius:8px;border:none;font-weight:600;cursor:pointer;transition:all .15s}
.batch-bar .btn-accent{background:#e67e22;color:#fff}
.batch-bar .btn-accent:hover{background:#d4701e}
.batch-bar .btn-outline{background:rgba(255,255,255,.15);color:#fff}
.batch-bar .btn-outline:hover{background:rgba(255,255,255,.25)}
.batch-bar .btn-danger{background:rgba(220,50,50,.8);color:#fff}
.batch-bar .btn-danger:hover{background:#c62828}
.batch-bar .btn-dim{background:rgba(255,255,255,.06);color:#aaa}
.batch-bar .btn-dim:hover{background:rgba(255,255,255,.12);color:#fff}
/* Batch cards */
.side-art-card-batch{cursor:pointer;padding-left:40px!important;position:relative;transition:all .2s}
.side-art-card-batch:hover{background:#fdf8f0}
.side-art-card-batch.selected{background:#fef3e0;border-left-color:#e67e22!important;box-shadow:inset 0 0 0 1px rgba(230,126,34,.15)}
.batch-check{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:20px;height:20px;border:2px solid #d0d5dd;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;transition:all .2s;background:#fff}
.side-art-card-batch:hover .batch-check{border-color:var(--bl)}
.side-art-card-batch.selected .batch-check{border-color:var(--bl);background:var(--bl);color:#fff;transform:translateY(-50%) scale(1.1);box-shadow:0 2px 8px rgba(91,141,190,.3)}
/* Batch header row */
.batch-header-row{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;background:#fff;border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:3}
/* Batch move panel */
.batch-move-panel{position:absolute;inset:0;background:var(--card);z-index:20;overflow-y:auto;border-radius:0;box-shadow:0 8px 24px rgba(0,0,0,.1)}
.batch-move-panel .user-menu-item{padding:10px 16px;cursor:pointer;display:flex;align-items:center;gap:8px;font-size:14px;transition:background .12s}
.batch-move-panel .user-menu-item:hover{background:#f0f4f9}
/* Move modal */
.move-folder-item{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-radius:10px;cursor:pointer;transition:all .15s;margin-bottom:2px;font-size:14px}
.move-folder-item:hover{background:#f0f4f9}
.move-folder-item.unfiled{border-top:1px solid var(--bd);margin-top:4px;padding-top:14px}
/* Classify options */
.cl-option{display:flex;align-items:flex-start;gap:8px;padding:12px 14px;margin-bottom:6px;border:2px solid #eef0f5;border-radius:10px;cursor:pointer;transition:all .15s}
.cl-option:has(input:checked){border-color:var(--bl);background:#f5f8fc}
.cl-option input[type=radio]{margin-top:2px;flex-shrink:0;accent-color:var(--bl);width:16px;height:16px}
.cl-option>div{line-height:1.4}
.cl-option b{display:block;font-size:14px;color:var(--tx)}
.cl-option small{display:block;font-size:11px;color:var(--mt)}
/* Create menu */
.create-menu{display:flex;flex-direction:column;gap:4px}
.create-item{display:flex;align-items:center;gap:12px;width:100%;padding:14px;border:none;border-radius:10px;background:transparent;cursor:pointer;transition:all .15s;text-align:left;font-size:14px}
.create-item:hover{background:#f5f7fa}
.create-item-icon{font-size:22px;flex-shrink:0;width:36px;text-align:center}
.create-item b{display:block;font-size:14px;color:var(--tx);margin-bottom:2px}
.create-item small{display:block;font-size:11px;color:var(--mt)}
.create-item-arrow{font-size:18px;color:#ccc;flex-shrink:0}
.create-back{font-size:13px;color:var(--bl);cursor:pointer;border:none;background:none;padding:0;display:flex;align-items:center;gap:2px}
.create-back:hover{color:var(--bl2)}
/* Plugin guide */
.guide-content{font-size:14px;color:var(--tx);line-height:1.7}
.guide-hero{text-align:center;padding:16px 20px 20px;background:linear-gradient(135deg,#f5f7fc,#eef1f8);border-radius:14px;margin-bottom:20px}
.guide-hero-title{font-size:22px;font-weight:700;margin:8px 0 4px;color:#2c3e50}
.guide-hero-sub{font-size:13px;color:var(--mt)}
.guide-section{background:#fafbfd;border-radius:12px;padding:16px 18px;margin-bottom:14px;border:1px solid #eef1f6}
.guide-section-title{font-size:15px;font-weight:700;margin-bottom:12px;color:#2c3e50}
.guide-step{display:flex;gap:12px;margin-bottom:12px;padding:10px 12px;background:#fff;border-radius:8px;border:1px solid #f0f2f5}
.guide-step:last-child{margin-bottom:0}
.guide-step-num{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#5b8dbe,#4a7cb5);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:700;margin-top:1px;box-shadow:0 2px 6px rgba(91,141,190,.2)}
.guide-step b{display:block;font-size:14px;color:#2c3e50}
.guide-step-desc{font-size:13px;color:var(--mt);margin-top:3px;padding-left:38px}
.fg{margin-bottom:10px}
.fg label{display:block;font-size:12px;font-weight:600;color:var(--mt);margin-bottom:4px}
select{border:1px solid var(--bd);border-radius:8px;padding:9px 32px 9px 12px;font-size:14px;width:100%;background:#f9fafb url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 12px center;appearance:none;cursor:pointer;transition:border-color .2s}
select:focus{border-color:var(--bl);background-color:#fff;outline:none}
/* File upload drop zone */
.upload-zone{border:2px dashed #d0d8e4;border-radius:12px;padding:28px;text-align:center;cursor:pointer;transition:all .2s;background:#fafbfc}
.upload-zone:hover{border-color:var(--bl);background:#f5f8fc}
.upload-zone-icon{font-size:40px;margin-bottom:8px;opacity:.6}
.upload-zone-text{font-size:14px;color:var(--tx);font-weight:500;margin-bottom:4px}
.upload-zone-hint{font-size:12px;color:var(--mt)}
/* Drag & drop */
.side-art-card[draggable]{cursor:grab}
.side-art-card.dragging{opacity:.4;transform:scale(.97)}
.folder-item.drag-over{background:#d6e8f8!important;outline:2px solid var(--bl);outline-offset:-2px;border-radius:8px;transform:scale(1.02)}
.folder-item.drag-over *{pointer-events:none}
.folder-item.can-drop{transition:all .15s}
.side-art-card.dragging{opacity:.4;cursor:grabbing}
/* Collapse all folder children during drag */
#sideBody.dragging .folder-children{max-height:0!important}
#sideBody.dragging .folder-item .arrow{transform:none!important}
/* Article delete button */
.art-del-btn{font-size:12px;cursor:pointer;margin-left:6px;padding:0 3px;color:#ccc;transition:color .15s}
.art-del-btn:hover{color:var(--rd)}
/* Article detail notes */
.note-item{padding:8px 0;border-bottom:1px solid #f0f0f3;text-align:left}
.note-item:last-child{border-bottom:none}
.note-text{font-size:13px;color:var(--tx);line-height:1.6}
.note-time{font-size:11px;color:#bbb;margin-top:3px}
/* Sidebar art card */
.side-art-card{padding:10px 14px;cursor:pointer;transition:all .15s;border-left:3px solid #d0dae8;position:relative;border-bottom:1px solid #f0f2f5;margin:3px 8px;border-radius:8px;background:var(--card);box-shadow:0 1px 2px rgba(0,0,0,.03)}
.side-art-card:hover{background:#f6f8fb;border-left-color:var(--bl);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.art-row1{display:flex;align-items:center;gap:6px;margin-bottom:3px}
.art-type-tag{font-size:10px;padding:2px 7px;border-radius:4px;font-weight:600;text-transform:uppercase;letter-spacing:.3px}
.art-type-tag.wechat{background:#e8f5e9;color:#388e3c}
.art-type-tag.web{background:#e3f0fd;color:#1565c0}
.art-type-tag.manual{background:#f5f0f8;color:#7b1fa2}
.art-type-tag.file{background:#fef3e0;color:#e67e22}
.art-type-tag.pdf{background:#fde8e8;color:#c62828}
.art-type-tag.docx{background:#e3f0fd;color:#1565c0}
.art-wc{font-size:10px;color:var(--mt)}
.art-title-text{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px}
.art-row2{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--mt)}
.art-add-btn{font-size:12px;color:var(--bl);cursor:pointer;padding:1px 5px;border-radius:4px;transition:all .15s;margin-left:auto}
.art-add-btn:hover{background:#e3f0fd;font-weight:600}
/* Right-click context menu */
.ctx-menu{position:fixed;z-index:9999;background:var(--card);border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.16);min-width:180px;padding:6px;animation:ctxIn .12s ease}
@keyframes ctxIn{0%{opacity:0;transform:scale(.95)}100%{opacity:1;transform:scale(1)}}
.ctx-item{padding:10px 14px;border-radius:8px;cursor:pointer;font-size:14px;display:flex;align-items:center;gap:8px;transition:background .12s}
.ctx-item:hover{background:#f0f4f9}
.ctx-item.danger{color:var(--rd)}
.ctx-item.danger:hover{background:#fde8e8}
.ctx-divider{margin:4px 8px;border-top:1px solid var(--bd)}
.folder-children{overflow:hidden;transition:max-height .3s;max-height:3000px}
.folder-children.collapsed{max-height:0}
.folder-art-item{padding:5px 14px 5px 36px;cursor:pointer;font-size:13px;color:var(--tx);display:flex;align-items:center;gap:6px;transition:background .12s}
.folder-art-item:hover{background:#f0f2f5}
.folder-art-item .title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.folder-art-item .add{font-size:16px;color:#aaa;cursor:pointer;padding:0 3px;transition:color .12s}
.folder-art-item:hover .add{color:var(--bl)}
/* Floating tooltip */
.tip-float{position:fixed;z-index:999;background:#1e2a3a;color:#fff;font-size:13px;font-weight:400;line-height:1.55;padding:10px 14px;border-radius:10px;white-space:normal;word-break:break-word;max-width:320px;box-shadow:0 8px 24px rgba(0,0,0,.2);pointer-events:none;opacity:0;transform:translateX(-4px);transition:opacity .15s,transform .15s}
.tip-float.show{opacity:1;transform:translateX(0)}

/* Chat area */
.chat-wrap{flex:1;display:flex;flex-direction:column;position:relative}
.chat-wrap.has-msgs .chat-center{display:none}
.chat-wrap.has-msgs .chat-messages{display:block}
.chat-wrap.has-msgs .chat-input-bottom{display:block!important}
/* Conversation switch animation */
@keyframes convFlash{0%{opacity:.3;transform:translateY(6px)}100%{opacity:1;transform:translateY(0)}}
.chat-messages.flash{animation:convFlash .35s ease}
.chat-center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;max-width:720px;margin:0 auto;width:100%}
.chat-center.has-msgs{justify-content:flex-start;padding-top:20px}
.chat-logo{font-size:44px;margin-bottom:12px}
.chat-center h1{font-size:26px;font-weight:700;margin-bottom:4px}
.chat-sub{font-size:14px;color:var(--mt);margin-bottom:20px}

/* Chat input box (centered) */
.chat-input-box{width:100%;max-width:700px;background:var(--card);border:1px solid var(--bd);border-radius:16px;padding:12px 16px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.chat-input-box .input-row{display:flex;align-items:flex-end;gap:10px}
.chat-input-box textarea{flex:1;border:none;background:transparent;padding:4px 0;font-size:15px;min-height:24px;max-height:160px;line-height:1.5}
.chat-input-box textarea:focus{border:none;background:transparent;box-shadow:none}
.chat-input-box .btn-primary{height:36px;border-radius:18px;padding:0 18px;flex-shrink:0}
.pending-bar-row{display:flex;align-items:center;gap:4px;margin-top:6px;padding-top:6px;border-top:1px solid var(--bd);flex-wrap:wrap}
.pending-bar-row .btn{flex-shrink:0;font-size:12px;padding:3px 10px}
.pending-mini{flex:1;display:flex;gap:4px;flex-wrap:wrap;min-width:0}
.pending-mini .chip{background:#fef9e7;border:1px solid #f0d77b;padding:2px 8px;border-radius:10px;font-size:12px;word-break:break-all;white-space:normal;max-width:100%;display:flex;justify-content:space-between;align-items:center;gap:4px}
.pending-mini .chip .x{flex-shrink:0;margin-left:auto;font-size:12px}

/* Quick hints */
.quick-hints{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:16px}
.hint{padding:4px 12px;border-radius:14px;font-size:13px;background:#eef1f5;color:var(--tx);cursor:pointer;transition:all .12s;border:1px solid transparent}
.hint:hover{background:var(--bl);color:#fff;border-color:var(--bl)}

/* Chat top bar */
.chat-top-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-bottom:1px solid var(--bd);flex-shrink:0;background:var(--card)}
.chat-top-bar .btn{font-size:12px;padding:4px 10px}
.conv-drop{position:absolute;top:38px;right:16px;background:var(--card);border:1px solid var(--bd);border-radius:10px;box-shadow:0 6px 20px rgba(0,0,0,.1);max-height:260px;overflow-y:auto;z-index:50;width:280px;display:none}
.conv-drop.show{display:block}

/* Messages area */
.chat-messages{flex:1;overflow-y:auto;padding:16px 20px 0;margin:0 auto;width:100%;display:none;scroll-behavior:smooth}
.chat-messages.show{display:block}
.chat-wrap.has-msgs .chat-center{display:none}
.chat-wrap.has-msgs .chat-messages{display:block}
.chat-wrap.has-msgs .chat-input-bottom{display:block!important}
/* Conversation switch animation */
@keyframes convFlash{0%{opacity:.3;transform:translateY(6px)}100%{opacity:1;transform:translateY(0)}}
.chat-messages.flash{animation:convFlash .35s ease}

/* Chat input at bottom */
.chat-input-bottom{max-width:800px;margin:0 auto;width:100%;padding:8px 20px 16px;position:relative}
.chat-input-bottom .input-row{display:flex;gap:8px;align-items:flex-end}
.chat-input-bottom .pending-bar-row{margin:0 0 6px 0;padding:4px 0;border-top:none}
.chat-input-bottom .pending-bar-row .btn{font-size:12px;padding:2px 8px;line-height:1.3;height:auto;border-radius:6px}
.chat-input-bottom textarea{flex:1;border-radius:12px;padding:10px 14px;min-height:52px;max-height:160px;font-size:14px;resize:vertical}
.chat-input-bottom .btn{height:52px;border-radius:12px;padding:0 20px;font-size:20px;flex-shrink:0}
.del-conv{color:var(--mt);font-size:20px;cursor:pointer;padding:2px 4px}
.del-conv:hover{color:var(--rd)}

/* Message bubbles */
.msg-row{display:flex;gap:12px;margin-bottom:22px;align-items:flex-start}
.msg-row.user{flex-direction:row-reverse}
.msg-av{width:34px;height:34px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:#fff;margin-top:2px;border:2px solid #fff;box-shadow:0 2px 4px rgba(0,0,0,.12)}
.msg-av.ai{background:linear-gradient(135deg,#667eea,#764ba2)}
.msg-av.user{background:linear-gradient(135deg,#667eea,#764ba2)}
.msg-bub{max-width:80%;padding:14px 16px;border-radius:16px;font-size:16px;line-height:1.7;word-break:break-word;overflow-wrap:break-word}
.msg-bub.ai{background:var(--card);border:1px solid var(--bd)}
.msg-bub.user{background:var(--bl);color:#fff}
.msg-bub h2{font-size:19px;font-weight:700;margin:14px 0 6px;padding-bottom:6px;border-bottom:1px solid var(--bd)}
.msg-bub h3{font-size:20px;font-weight:700;margin:10px 0 4px}
.msg-bub li{margin:3px 0 3px 18px;list-style:disc}
.msg-bub p{margin:8px 0}
.msg-bub br{display:block;content:'';margin:4px 0}
.msg-bub .ref{display:inline-block;padding:1px 5px;border-radius:3px;background:rgba(91,141,190,.15);color:var(--bl);font-size:11px;font-weight:600;margin:0 1px;cursor:pointer;transition:all .12s}
.msg-bub .ref:hover{background:var(--bl);color:#fff}
.msg-bub .tbl{overflow-x:auto;margin:10px 0;-webkit-overflow-scrolling:touch}
.msg-bub .tbl table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.6}
.msg-bub .tbl th,.msg-bub .tbl td{padding:8px 12px;border:1px solid #e0e4ea;text-align:left;vertical-align:top}
.msg-bub .tbl th{background:#f5f6f8;font-weight:700;color:#2c3e50;white-space:nowrap}
.msg-bub .tbl td{background:#fff;color:#333}
.msg-bub .tbl tr:hover td{background:#f8f9fb}
.msg-bub.user .tbl th{background:rgba(255,255,255,.15);color:#fff;border-color:rgba(255,255,255,.25)}
.msg-bub.user .tbl td{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.2)}
.msg-bub.user .tbl tr:hover td{background:rgba(255,255,255,.15)}
.msg-bub.user .ref{background:rgba(255,255,255,.2);color:#fff}
.msg-bub .ai-disclaimer{font-size:12px;color:#adb5bd;margin-top:10px;padding-top:8px;border-top:1px solid var(--bd)}
.msg-time{font-size:10px;color:var(--mt);padding:2px 4px;text-align:center}
.msg-row.user .msg-time{text-align:right}
.analyzed-wrap{margin-top:2px;margin-bottom:22px;display:flex;flex-direction:column;align-items:flex-end}
.analyzed-bar{cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:#f5f6f8;border-radius:8px;font-size:13px;color:#555;user-select:none}
.analyzed-bar:hover{background:#e8ecf1}
.analyzed-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.analyzed-chip{display:block;padding:4px 10px;background:#e8eff6;border-radius:14px;font-size:12px;color:#4a6fa5;cursor:pointer;word-break:break-all}
.analyzed-chip:hover{background:#d0dff0}
.msg-bub{cursor:pointer}
.msg-bub:hover{opacity:.95}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:4px;padding:7px 14px;border-radius:7px;font-size:14px;cursor:pointer;border:1px solid var(--bd);background:var(--card);color:var(--tx);white-space:nowrap;transition:all .15s}
.btn:hover{background:#f0f2f5}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--bl);color:#fff;border-color:var(--bl)}
.btn-primary:hover{background:var(--bl2)}
.btn-danger{background:var(--rd);color:#fff;border-color:var(--rd)}
.btn-sm{padding:4px 10px;font-size:12px}
.btn-row{display:flex;gap:8px}
.btn-block{display:block;width:100%;text-align:center}

/* Feedback history */
.fb-history-entry{margin-top:12px;padding:12px 0;border-top:1px solid var(--bd);text-align:center;font-size:14px;color:var(--bl);cursor:pointer;font-weight:500;transition:all .15s;user-select:none}
.fb-history-entry:hover{color:var(--bl2);background:#f8f9fb;border-radius:8px}
.fb-item{padding:12px 0;border-bottom:1px solid #f0f0f3;text-align:left}
.fb-item:last-child{border-bottom:none}
.fb-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.fb-item-type{font-size:12px;padding:2px 8px;border-radius:10px;font-weight:500}
.fb-item-type.feature{background:#e3f0fd;color:#1565c0}
.fb-item-type.bug{background:#fde8e8;color:#c62828}
.fb-item-type.suggestion{background:#f0f7e8;color:#388e3c}
.fb-item-type.other{background:#f5f0f8;color:#7b1fa2}
.fb-item-date{font-size:11px;color:#bbb}
.fb-item-content{font-size:13px;color:var(--tx);line-height:1.6;word-break:break-all}
.fb-item-reply{font-size:12px;background:#f8f9fb;border-radius:8px;padding:8px 10px;margin-top:6px;color:var(--mt);line-height:1.5}
.fb-item-reply b{color:var(--bl)}

/* Modal */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:900;display:none;align-items:center;justify-content:center}
.modal-mask.show{display:flex}
.modal-card{background:var(--card);border-radius:14px;padding:24px;width:90%;max-width:440px;max-height:92vh;overflow-y:auto;box-shadow:0 16px 48px rgba(0,0,0,.15);position:relative}
.modal-card h3{font-size:19px;margin:0}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.modal-x{width:30px;height:30px;border-radius:50%;border:none;background:rgba(0,0,0,.06);color:#999;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}
.modal-x:hover{background:rgba(0,0,0,.12);color:#555}
.modal-card.wide{max-width:780px}
.modal-card.wide .fs-btn{width:34px;height:34px;border-radius:8px;border:1px solid var(--bd);background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--mt);transition:all .15s;flex-shrink:0;margin-right:2px}
.modal-card.wide .btn.btn-sm:last-child{flex-shrink:0}
.modal-card.wide .fs-btn:hover{background:var(--bl);color:#fff;border-color:var(--bl)}
.modal-card.fullscreen{max-width:100vw!important;width:100vw!important;max-height:100vh!important;height:100vh!important;border-radius:0;margin:0;padding:20px 40px}
.modal-card.fullscreen #detailContent{max-height:calc(100vh - 140px)!important}
.fg{margin-bottom:10px}
.fg label{display:block;font-size:19px;font-weight:600;color:var(--mt);margin-bottom:4px}
.fg input,.fg textarea,.fg select{width:100%}

/* Toast */
.toast{position:fixed;top:60px;left:50%;transform:translateX(-50%);background:#333;color:#fff;padding:8px 20px;border-radius:16px;font-size:19px;z-index:9999;opacity:0;transition:opacity .25s;pointer-events:none}
.toast.show{opacity:1}

/* Trash view */
.trash-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid #f0f0f3;transition:background .12s}
.trash-item:hover{background:#fafafa}
.trash-item-title{flex:1;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.trash-item-date{font-size:11px;color:#bbb;white-space:nowrap}
.trash-item-meta{display:flex;flex-direction:column;align-items:flex-end;gap:2px;flex-shrink:0}
.trash-expire{font-size:10px;color:#e67e22;white-space:nowrap}

/* ===== Checkin Modal ===== */
.checkin-card{max-width:400px;padding:0;overflow:hidden;text-align:center;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.18)}
.checkin-header{background:linear-gradient(135deg,#fef6e8,#fdf0d5,#fef9f0);padding:22px 20px 16px;position:relative}
.checkin-header-top{display:flex;justify-content:center;align-items:center;position:relative}
.checkin-header h3{font-size:20px;font-weight:700;color:#5c3d1a;margin:0;letter-spacing:.5px}
.checkin-close{position:absolute;right:0;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;border:none;background:rgba(0,0,0,.06);color:#999;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}
.checkin-close:hover{background:rgba(0,0,0,.12);color:#555}
.checkin-streak-bar{margin-top:10px;font-size:13px;color:#b8860b;font-weight:500;min-height:20px}
.checkin-streak-bar strong{font-size:24px;color:#e67e22;vertical-align:middle}
/* Calendar */
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center;margin:0 18px 8px}
.calendar .day-header{font-size:11px;color:var(--mt);padding:6px 0 2px;font-weight:600;text-transform:uppercase;letter-spacing:.3px}
.calendar .day-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:14px;font-weight:500;cursor:default;transition:all .2s;color:#555;position:relative}
.calendar .day-cell:hover{background:#f5f0e8;transform:scale(1.08)}
.calendar .day-cell.today{background:linear-gradient(135deg,#f0a24e,#e67e22);color:#fff;font-weight:700;box-shadow:0 3px 10px rgba(230,126,34,.3)}
.calendar .day-cell.today:hover{transform:scale(1.08);box-shadow:0 4px 14px rgba(230,126,34,.4)}
.calendar .day-cell.checked{background:#f0f7e8;color:#5a8a3c;font-weight:700;position:relative}
.calendar .day-cell.checked::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:#7cb342}
.calendar .day-cell.checked.today{background:linear-gradient(135deg,#f0a24e,#e67e22);color:#fff;box-shadow:0 3px 10px rgba(230,126,34,.3)}
.calendar .day-cell.checked.today::after{background:#fff;opacity:.8}
.calendar .day-cell.other-month{color:#ddd}
.checkin-month{font-size:15px;font-weight:700;margin:8px 18px;padding:10px 0;display:flex;align-items:center;justify-content:center;gap:14px;color:#444;border-top:1px solid #f0ebe0}
.mo-nav{width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:13px;color:#b8860b;display:flex;align-items:center;justify-content:center;transition:all .2s;user-select:none;background:rgba(184,134,11,.06)}
.mo-nav:hover{background:rgba(184,134,11,.16);transform:scale(1.1)}
.mo-nav.disabled{color:#ddd;cursor:default;pointer-events:none;background:transparent}
.mo-nav.disabled:hover{transform:none}
/* Stats row */
#checkinStats{padding:4px 18px;font-size:13px;color:var(--mt)}
#checkinStats span{color:#e67e22;font-weight:600}
/* Checkin button */
.checkin-btn-main{display:block;width:calc(100% - 36px);margin:0 auto 6px;padding:14px;font-size:17px;font-weight:700;color:#fff;background:linear-gradient(135deg,#f0a24e,#e67e22);border:none;border-radius:14px;cursor:pointer;transition:all .25s;letter-spacing:1px;box-shadow:0 4px 16px rgba(230,126,34,.25)}
.checkin-btn-main:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(230,126,34,.35)}
.checkin-btn-main:active{transform:translateY(0);box-shadow:0 2px 8px rgba(230,126,34,.2)}
.checkin-btn-main:disabled{background:#e8e5df;color:#bbb;cursor:default;box-shadow:none;transform:none;letter-spacing:0}
/* Checkin message */
#checkinMsg{padding:6px 18px 16px;font-size:13px;color:var(--mt);min-height:22px;transition:all .3s}
/* Coin drop animation */
.coin-anim{position:fixed;top:50%;left:50%;font-size:56px;z-index:9999;pointer-events:none;display:none}
.coin-anim.play{display:block;animation:coinDrop .9s ease forwards}

/* ===== Announcement Panel ===== */
#annPanel{right:6px;width:360px;max-height:440px;overflow:hidden;border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.12)}
.ann-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-size:15px;font-weight:700;color:var(--tx);border-bottom:1px solid var(--bd);background:#fafbfc}
.ann-badge{background:var(--rd);color:#fff;font-size:11px;padding:2px 7px;border-radius:10px;font-weight:600}
.ann-panel-body{padding:6px 8px;overflow-y:auto;max-height:380px}
/* Announcement list item */
.ann-item{display:flex;align-items:flex-start;gap:12px;padding:12px;border-radius:10px;cursor:pointer;transition:all .15s;text-align:left;margin-bottom:2px;position:relative}
.ann-item:hover{background:#f0f4f9}
.ann-item.unread{background:#fef9f0;box-shadow:inset 3px 0 0 var(--or)}
.ann-item.unread:hover{background:#fef5e0}
.ann-item-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.ann-item-icon.urgent{background:#fde8e8;color:#c62828}
.ann-item-icon.info{background:#e3f0fd;color:#1565c0}
.ann-item-icon.normal{background:#f0f7e8;color:#388e3c}
.ann-item-body{flex:1;min-width:0}
.ann-item-title{font-size:14px;font-weight:600;color:var(--tx);margin-bottom:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ann-item-preview{font-size:12px;color:var(--mt);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.4}
.ann-item-right{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}
.ann-item-time{font-size:11px;color:#bbb;white-space:nowrap}
.ann-unread-dot{width:7px;height:7px;border-radius:50%;background:var(--or)}
/* ===== Announcement Detail Modal ===== */
.ann-detail-card{max-width:480px;padding:0;overflow:hidden;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.ann-detail-header{display:flex;align-items:center;gap:10px;padding:22px 24px 0}
.ann-detail-header h3{font-size:18px;font-weight:700;color:var(--tx);margin:0;flex:1}
.ann-level-tag{font-size:11px;padding:3px 10px;border-radius:12px;font-weight:600;flex-shrink:0}
.ann-level-tag.urgent{background:#fde8e8;color:#c62828}
.ann-level-tag.info{background:#e3f0fd;color:#1565c0}
.ann-level-tag.normal{background:#f0f7e8;color:#388e3c}
.ann-detail-meta{padding:8px 24px;font-size:12px;color:var(--mt)}
.ann-detail-body{padding:0 24px 20px;font-size:14px;line-height:1.9;color:var(--tx);max-height:50vh;overflow-y:auto}
.ann-detail-body br+br{display:none}
.ann-detail-close{display:block;width:100%;padding:14px;border:none;background:#f8f9fb;color:var(--bl);font-size:15px;font-weight:600;cursor:pointer;border-top:1px solid var(--bd);transition:background .15s;border-radius:0 0 16px 16px}
.ann-detail-close:hover{background:#eef1f7}
@keyframes coinDrop{0%{opacity:1;transform:translate(-50%,-50%) scale(0) rotate(0deg)}30%{opacity:1;transform:translate(-50%,-50%) scale(1.5) rotate(180deg)}60%{opacity:.9;transform:translate(-50%,-50%) scale(1) rotate(360deg)}100%{opacity:0;transform:translate(-50%,-50%) translateY(-70px) rotate(360deg)}}

/* Scroll */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-thumb{background:#d0d5dd;border-radius:2px}
::-webkit-scrollbar-track{background:transparent}