:root{
  --bg:#0b0d11;
  --panel:#0f1217;
  --panel-2:#141821;
  --panel-3:#1a1f2a;
  --line:#242a35;
  --line-soft:#1b2029;
  --text:#e7eaf0;
  --text-dim:#a8b0bd;
  --muted:#7b8494;
  --accent:#7c9cff;
  --accent-2:#5b7cf0;
  --accent-soft:rgba(124,156,255,.14);
  --ok:#3ddc97;
  --warn:#f0b429;
  --danger:#fa5b6a;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 10px 40px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}
button{font:inherit;color:inherit}
a{color:var(--accent);text-decoration:none}

/* ---------- 通用控件 ---------- */
.btn{
  border:1px solid var(--line);background:var(--panel-3);color:var(--text);
  padding:8px 14px;border-radius:10px;cursor:pointer;transition:.15s;white-space:nowrap;
}
.btn:hover{background:#222937;border-color:#323a49}
.btn.primary{background:linear-gradient(180deg,var(--accent),var(--accent-2));border-color:transparent;color:#0b0f1a;font-weight:600}
.btn.primary:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent}
.btn:disabled{opacity:.5;cursor:not-allowed}
input,textarea{
  background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:10px 12px;outline:none;font:inherit;width:100%;
}
input:focus,textarea:focus{border-color:var(--accent-2);box-shadow:0 0 0 3px var(--accent-soft)}
.err{color:var(--danger);font-size:13px;min-height:18px;margin:6px 0 0}
.hint{color:var(--muted);font-size:12.5px;margin:6px 0 0}
.hint code,.opt{color:var(--text-dim);background:var(--panel-3);padding:1px 5px;border-radius:5px;font-size:12px}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100%;display:grid;place-items:center;padding:24px;
  background:radial-gradient(900px 500px at 70% -10%,rgba(124,156,255,.16),transparent 60%),var(--bg)}
.login-card{width:min(380px,100%);background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.login-brand{font-size:19px;font-weight:650;display:flex;align-items:center;gap:9px}
.login-sub{margin:-6px 0 6px;color:var(--muted);font-size:13.5px}
.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-dim)}
.logo-dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#8fb0ff,#4f6ef0);
  box-shadow:0 0 0 4px rgba(124,156,255,.14),0 0 18px rgba(124,156,255,.6);flex:none}

/* ---------- 布局 ---------- */
.app{display:flex;height:100dvh;overflow:hidden}
.sidebar{width:268px;flex:none;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:14px 12px 10px;gap:12px}
.brand{font-size:15.5px;font-weight:650;display:flex;align-items:center;gap:8px;padding:4px 6px 2px}
.new-session{display:flex;align-items:center;justify-content:center;gap:6px;background:var(--accent-soft);
  border:1px solid rgba(124,156,255,.3);color:#c9d5ff;font-size:14px}
.new-session:hover{background:rgba(124,156,255,.2)}
.session-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px;margin:0 -4px;padding:0 4px}
.group-title{font-size:11.5px;color:var(--muted);letter-spacing:.04em;text-transform:none;
  padding:12px 8px 5px;display:flex;align-items:center;gap:6px}
.group-title .gdot{width:5px;height:5px;border-radius:50%;background:var(--muted);opacity:.7}
.session{position:relative;border-radius:9px;padding:8px 10px;cursor:pointer;display:flex;flex-direction:column;gap:2px}
.session:hover{background:var(--panel-2)}
.session.active{background:var(--accent-soft)}
.session .s-title{font-size:13.5px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:18px}
.session .s-meta{font-size:11px;color:var(--muted);display:flex;gap:8px}
.session .s-del{position:absolute;right:6px;top:7px;width:20px;height:20px;border-radius:6px;border:0;
  background:transparent;color:var(--muted);cursor:pointer;display:none;line-height:1;font-size:14px}
.session:hover .s-del{display:block}
.session .s-del:hover{background:rgba(250,91,106,.15);color:var(--danger)}
.empty-hint{color:var(--muted);font-size:12.5px;padding:14px 8px;line-height:1.6}
.sidebar-foot{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line-soft);padding:9px 6px 2px;font-size:12.5px}
.who{flex:1;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.foot-link{color:var(--muted);cursor:pointer}
.foot-link:hover{color:var(--text)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:50px;flex:none;display:flex;align-items:center;gap:10px;padding:0 14px;
  border-bottom:1px solid var(--line);background:rgba(15,18,23,.7);backdrop-filter:blur(8px)}
.menu-btn{display:none;border:1px solid var(--line);background:var(--panel-2);border-radius:8px;
  width:32px;height:32px;cursor:pointer}
.tabs{display:flex;gap:4px;align-items:center;overflow-x:auto}
.tab{border:0;background:transparent;color:var(--muted);padding:7px 13px;border-radius:8px;cursor:pointer;font-size:13.5px;white-space:nowrap}
.tab:hover{color:var(--text);background:var(--panel-2)}
.tab.active{color:var(--text);background:var(--panel-3)}
.tab .tab-x{margin-left:7px;color:var(--muted);font-size:12px}
.top-meta{margin-left:auto;font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center}

/* ---------- 聊天 ---------- */
.chat{flex:1;min-height:0;display:flex;flex-direction:column}
.messages{flex:1;overflow-y:auto;padding:26px 18px 10px;display:flex;flex-direction:column;gap:20px}
.msg{display:flex;gap:12px;max-width:880px;width:100%;margin:0 auto}
.msg .avatar{width:26px;height:26px;border-radius:8px;flex:none;display:grid;place-items:center;font-size:12px;font-weight:700}
.msg.user{flex-direction:row-reverse}
.msg.user .avatar{background:var(--panel-3);color:var(--text-dim)}
.msg.assistant .avatar{background:linear-gradient(135deg,#8fb0ff,#4f6ef0);color:#0b0f1a}
.msg .bubble{max-width:calc(100% - 40px);min-width:0}
.msg.user .bubble{background:var(--panel-3);border:1px solid var(--line);border-radius:14px 14px 4px 14px;padding:9px 14px;white-space:pre-wrap;word-break:break-word}
.msg.assistant .bubble{background:transparent;padding:1px 0;color:var(--text)}
.bubble p{margin:0 0 10px}
.bubble p:last-child{margin-bottom:0}
.bubble h3,.bubble h4,.bubble h5{margin:16px 0 8px;font-size:15px;font-weight:650}
.bubble ul,.bubble ol{margin:6px 0 10px;padding-left:22px}
.bubble li{margin:3px 0}
.bubble code{background:var(--panel-3);padding:1px 6px;border-radius:5px;font-size:13px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.bubble pre.code{background:#0a0d12;border:1px solid var(--line);border-radius:10px;padding:12px 14px;overflow-x:auto;margin:10px 0}
.bubble pre.code code{background:transparent;padding:0;font-size:12.5px;line-height:1.55}
.bubble .gap{height:6px}
.bubble a{text-decoration:underline;text-underline-offset:2px}
.cursor{display:inline-block;width:7px;height:16px;margin-left:2px;vertical-align:-3px;background:var(--accent);border-radius:2px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.thinking{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:8px}
.spinner{width:13px;height:13px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.msg-err{color:var(--danger);font-size:13px;margin-top:6px}
.empty-state{flex:1;display:grid;place-items:center;color:var(--muted);text-align:center;padding:30px}
.empty-state h2{color:var(--text-dim);font-size:18px;font-weight:600;margin:0 0 8px}

/* ---------- 输入区 ---------- */
.composer-wrap{flex:none;border-top:1px solid var(--line);padding:10px 18px 14px;background:linear-gradient(180deg,transparent,rgba(11,13,17,.6))}
.ctx{max-width:880px;margin:0 auto 8px;height:3px;background:var(--panel-3);border-radius:3px;overflow:hidden}
.ctx-fill{height:100%;width:0;background:linear-gradient(90deg,var(--ok),var(--accent));transition:width .3s}
.ctx-fill.warn{background:linear-gradient(90deg,var(--warn),var(--danger))}
.composer{max-width:880px;margin:0 auto;display:flex;gap:10px;align-items:flex-end;
  background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:8px 8px 8px 12px}
.composer:focus-within{border-color:var(--accent-2);box-shadow:0 0 0 3px var(--accent-soft)}
.composer textarea{border:0;background:transparent;box-shadow:none;resize:none;max-height:180px;padding:6px 0;font-size:14.5px}
.composer textarea:focus{box-shadow:none}
.composer-side{display:flex;gap:8px}
.composer-foot{max-width:880px;margin:7px auto 0;display:flex;justify-content:space-between;font-size:11.5px;color:var(--muted)}
.composer-foot #ctxText.near{color:var(--warn)}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;background:rgba(5,7,10,.62);display:grid;place-items:center;padding:20px;z-index:50;backdrop-filter:blur(3px)}
.modal-card{width:min(430px,100%);background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.modal-card h3{margin:0 0 2px;font-size:16px;font-weight:650}
.modal-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-dim)}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}

/* ---------- 后台表格 ---------- */
.admin-wrap{min-height:100dvh;padding:28px 20px;background:var(--bg)}
.admin-head{max-width:980px;margin:0 auto 18px;display:flex;align-items:center;gap:12px}
.admin-head h1{font-size:19px;margin:0;font-weight:650}
.admin-head .spacer{flex:1}
.admin-card{max-width:980px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line-soft)}
th{color:var(--muted);font-weight:500;font-size:12px;background:var(--panel-2)}
tr:last-child td{border-bottom:0}
.tag{font-size:11.5px;padding:1px 8px;border-radius:99px;background:var(--panel-3);color:var(--text-dim)}
.tag.admin{background:var(--accent-soft);color:#c9d5ff}
.tag.off{background:rgba(250,91,106,.14);color:#ff9aa4}
.row-actions{display:flex;gap:6px;justify-content:flex-end}
.row-actions .btn{padding:4px 9px;font-size:12px;border-radius:7px}
.admin-form{max-width:980px;margin:16px auto 0;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}
.admin-form h3{margin:0 0 12px;font-size:14.5px}
.admin-form .fields{display:flex;gap:10px;flex-wrap:wrap}
.admin-form .fields input{flex:1;min-width:160px}
.admin-form .fields select{background:var(--panel-2);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px}

/* ---------- 响应式 ---------- */
@media (max-width:760px){
  .sidebar{position:fixed;inset:0 auto 0 0;z-index:40;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow)}
  .sidebar.open{transform:none}
  .menu-btn{display:block}
  .messages{padding:18px 12px 8px}
  .composer-wrap{padding:8px 10px 10px}
  .top-meta{display:none}
}

/* ================= 设计稿画布 ================= */
.design-view{flex:1;min-height:0;display:flex;flex-direction:column}
.ds-toolbar{flex:none;display:flex;align-items:center;gap:10px;padding:8px 14px;border-bottom:1px solid var(--line);background:var(--panel);overflow-x:auto}
.ds-toolgroup{display:flex;gap:4px;flex:none}
.ds-toolspacer{flex:1}
.ds-status{font-size:11.5px;color:var(--muted);white-space:nowrap}
.ds-chip{border:1px solid transparent;background:transparent;color:var(--muted);font-size:12.5px;padding:5px 11px;border-radius:8px;cursor:pointer;white-space:nowrap}
.ds-chip:hover{color:var(--text);background:var(--panel-2)}
.ds-chip.active{color:var(--text);background:var(--panel-3);border-color:var(--line)}
.ds-body{flex:1;min-height:0;display:flex}
.ds-canvas{flex:1;min-width:0;overflow:auto;background:
  radial-gradient(circle at 1px 1px, rgba(255,255,255,.055) 1px, transparent 0) 0 0/22px 22px, #08090c}
.ds-stage{margin:0 auto;padding:26px;transition:max-width .18s ease}
.ds-stage[data-device="tablet"]{max-width:820px}
.ds-stage[data-device="phone"]{max-width:410px}
.ds-page{border-radius:18px;overflow:hidden;box-shadow:var(--ds-shadow);min-height:520px;transition:background .2s,color .2s}
.ds-section{padding:0}
.ds-section[data-bg="surface"]{background:var(--ds-surface)}
.ds-section[data-bg="soft"]{background:color-mix(in srgb,var(--ds-primary) 7%,transparent)}
.ds-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--ds-gap);padding:var(--ds-pad);align-items:start}

/* 组件容器 */
.ds-cell{position:relative;min-width:0;grid-column:span 12;border-radius:10px;cursor:default}
.ds-cell:hover{outline:1px dashed color-mix(in srgb,var(--ds-text) 22%,transparent);outline-offset:3px}
.ds-cell.selected{outline:2px solid var(--accent);outline-offset:3px}
.ds-cell.dragging{opacity:.35}
.ds-cell.drop-before::before,.ds-cell.drop-after::after{content:"";position:absolute;left:0;right:0;height:3px;background:var(--accent);border-radius:3px}
.ds-cell.drop-before::before{top:-6px}
.ds-cell.drop-after::after{bottom:-6px}
.ds-handle{position:absolute;top:-11px;right:-8px;width:22px;height:22px;border-radius:6px;background:#20263a;
  color:#cfd7ea;display:none;place-items:center;font-size:11px;cursor:grab;z-index:3;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.ds-cell:hover .ds-handle,.ds-cell.selected .ds-handle{display:grid}
.ds-content{border-radius:inherit;min-width:0}

/* 组件视觉 */
.ds-nav{display:flex;align-items:center;gap:20px;padding:4px 0}
.ds-brand{font-weight:700;font-size:17px;letter-spacing:-.01em}
.ds-links{display:flex;gap:16px;flex:1;font-size:13.5px;color:var(--ds-muted)}
.ds-links a{cursor:default}
.ds-btn{border:0;cursor:pointer;border-radius:calc(var(--ds-radius)*.75);padding:10px 18px;font-size:14px;font-weight:600;font-family:inherit;
  background:var(--ds-primary);color:#fff;transition:.15s}
.ds-btn-sm{padding:7px 13px;font-size:12.5px}
.ds-btn-outline{background:transparent;color:var(--ds-primary);border:1.5px solid var(--ds-primary)}
.ds-btn-ghost{background:color-mix(in srgb,var(--ds-primary) 12%,transparent);color:var(--ds-primary)}
.ds-hero{padding:10px 0 6px}
.ds-hero h1{margin:0 0 10px;font-size:38px;line-height:1.18;letter-spacing:-.02em;font-weight:750}
.ds-hero p{margin:0 0 18px;font-size:15.5px;line-height:1.7;color:var(--ds-muted);max-width:60ch}
.ds-heading{margin:0;font-size:22px;font-weight:700;letter-spacing:-.01em}
.ds-text{margin:0;font-size:14.5px;line-height:1.75;color:var(--ds-muted)}
.ds-image{border-radius:var(--ds-radius);background:linear-gradient(135deg,color-mix(in srgb,var(--ds-primary) 16%,var(--ds-surface)),color-mix(in srgb,var(--ds-primary) 5%,var(--ds-surface)));
  aspect-ratio:16/9;display:grid;place-items:center;color:var(--ds-muted);font-size:13px;border:1px solid color-mix(in srgb,var(--ds-text) 8%,transparent)}
.ds-card{background:var(--ds-surface);border:1px solid color-mix(in srgb,var(--ds-text) 8%,transparent);border-radius:var(--ds-radius);
  padding:18px;box-shadow:var(--ds-shadow)}
.ds-card-icon{font-size:20px;margin-bottom:8px}
.ds-card-title{font-weight:650;font-size:15px;margin-bottom:6px}
.ds-card-desc{font-size:13px;line-height:1.65;color:var(--ds-muted)}
.ds-stat{background:var(--ds-surface);border:1px solid color-mix(in srgb,var(--ds-text) 8%,transparent);border-radius:var(--ds-radius);padding:16px 18px;box-shadow:var(--ds-shadow)}
.ds-stat-label{font-size:12.5px;color:var(--ds-muted);margin-bottom:4px}
.ds-stat-value{font-size:26px;font-weight:750;letter-spacing:-.02em;line-height:1.2}
.ds-stat-delta{font-size:12px;margin-top:4px;color:var(--ds-primary)}
.ds-list{background:var(--ds-surface);border:1px solid color-mix(in srgb,var(--ds-text) 8%,transparent);border-radius:var(--ds-radius);padding:16px 18px;box-shadow:var(--ds-shadow)}
.ds-list-title{font-weight:650;font-size:14px;margin-bottom:8px}
.ds-list ul{margin:0;padding-left:18px;font-size:13.5px;line-height:1.9;color:var(--ds-muted)}
.ds-form{display:flex;gap:10px}
.ds-form input{flex:1;border:1px solid color-mix(in srgb,var(--ds-text) 14%,transparent);background:var(--ds-surface);color:var(--ds-text);
  border-radius:calc(var(--ds-radius)*.75);padding:10px 12px;font-size:13.5px;font-family:inherit}
.ds-chart{background:var(--ds-surface);border:1px solid color-mix(in srgb,var(--ds-text) 8%,transparent);border-radius:var(--ds-radius);padding:16px 18px;box-shadow:var(--ds-shadow)}
.ds-chart-title{font-weight:650;font-size:14px;margin-bottom:14px}
.ds-bars{display:flex;align-items:flex-end;gap:8px;height:110px}
.ds-bar{flex:1;background:color-mix(in srgb,var(--ds-primary) 70%,transparent);border-radius:6px 6px 2px 2px;min-height:6px}
.ds-divider{border:0;border-top:1px solid color-mix(in srgb,var(--ds-text) 12%,transparent);margin:6px 0}
.ds-empty{height:100%;display:grid;place-items:center;color:var(--muted);text-align:center;line-height:1.8}
.ds-empty h3{color:var(--text-dim);font-size:16px;margin:0 0 8px;font-weight:600}
.ds-drop-empty{grid-column:span 12;min-height:64px;border:1.5px dashed color-mix(in srgb,var(--ds-text) 20%,transparent);
  border-radius:10px;display:grid;place-items:center;color:var(--ds-muted);font-size:12.5px}
.ds-drop-empty.drop-before{border-color:var(--accent);color:var(--accent)}

/* 属性面板 */
.ds-inspector{width:300px;flex:none;border-left:1px solid var(--line);background:var(--panel);overflow-y:auto;padding:14px;font-size:13px}
.ds-insp-head{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.ds-kind{font-size:11.5px;padding:2px 9px;border-radius:99px;background:var(--accent-soft);color:#c9d5ff;text-transform:uppercase;letter-spacing:.05em}
.ds-insp-actions{margin-left:auto;display:flex;gap:3px}
.ds-insp-actions button{border:1px solid var(--line);background:var(--panel-2);color:var(--text-dim);width:26px;height:26px;border-radius:7px;cursor:pointer;font-size:12px;line-height:1}
.ds-insp-actions button:hover{background:var(--panel-3);color:var(--text)}
.ds-insp-actions button.danger:hover{background:rgba(250,91,106,.15);color:var(--danger);border-color:rgba(250,91,106,.3)}
.ds-field{margin-bottom:10px}
.ds-field label{display:block;font-size:11.5px;color:var(--muted);margin-bottom:4px}
.ds-field input,.ds-field textarea,.ds-field select{font-size:12.5px;padding:7px 9px;border-radius:8px;background:var(--panel-2)}
.ds-insp-row{display:flex;gap:8px;margin-bottom:8px}
.ds-insp-row label{flex:1;display:flex;flex-direction:column;gap:4px;font-size:11.5px;color:var(--muted);min-width:0}
.ds-insp-row input[type=color]{height:30px;padding:2px;width:100%;cursor:pointer}
.ds-insp-row input,.ds-insp-row select{font-size:12.5px;padding:6px 8px;border-radius:8px;background:var(--panel-2)}
.ds-insp-sub{font-size:11.5px;color:var(--muted);margin:14px 0 8px;padding-top:12px;border-top:1px solid var(--line-soft)}
.ds-val{color:var(--text-dim);font-size:11.5px;margin-left:6px}
.ds-hint{color:var(--muted);font-size:12px;line-height:1.7;margin:4px 0 14px}
.ds-tokens{margin-top:16px;border-top:1px solid var(--line-soft);padding-top:12px}
.ds-tokens summary{cursor:pointer;color:var(--text-dim);font-size:12.5px;margin-bottom:10px;user-select:none}
.ds-reset-style{width:100%;border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:8px;padding:7px;font-size:12px;cursor:pointer;margin-top:6px}
.ds-reset-style:hover{color:var(--text);background:var(--panel-2)}
.ds-insp-toggle{display:none}
@media (max-width:900px){
  .ds-inspector{position:absolute;right:0;top:0;bottom:0;z-index:20;transform:translateX(100%);transition:transform .2s;box-shadow:var(--shadow)}
  .design-view{position:relative}
  .design-view.insp-open .ds-inspector{transform:none}
  .ds-insp-toggle{display:inline-flex}
}

/* 改动记录 / tab 提示点 */
.msg-note{max-width:880px;width:100%;margin:0 auto;display:flex;justify-content:center}
.msg-note span{font-size:11.5px;color:var(--muted);background:var(--panel-2);border:1px solid var(--line-soft);
  border-radius:99px;padding:4px 12px;text-align:center;line-height:1.6;max-width:80%}
.tab-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-left:6px;vertical-align:2px}

/* 手机预览下组件单列堆叠，模拟响应式 */
.ds-stage[data-device="phone"] .ds-cell{grid-column:span 12 !important}

/* 定稿 / 版本历史 / toast */
.ds-chip.ds-strong{background:var(--accent-soft);color:#c9d5ff;border-color:rgba(124,156,255,.32)}
.ds-chip.ds-strong:hover{background:rgba(124,156,255,.22)}
.modal-card.wide{width:min(760px,100%);max-height:82vh;display:flex;flex-direction:column}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.modal-head h3{margin:0;font-size:16px}
.history-list{overflow-y:auto;display:flex;flex-direction:column;gap:8px;margin-top:6px}
.history-item{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--panel-2)}
.h-meta{display:flex;align-items:baseline;gap:10px;flex:1;min-width:0}
.h-meta strong{font-size:14px;flex:none}
.h-meta span{font-size:13px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.h-meta time{font-size:11.5px;color:var(--muted);margin-left:auto;white-space:nowrap}
.h-actions{display:flex;gap:6px;flex:none}
.h-actions .btn{padding:4px 9px;font-size:12px;border-radius:7px;text-decoration:none}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:#1c2333;border:1px solid #2c3548;
  color:var(--text);padding:9px 18px;border-radius:99px;font-size:13px;z-index:80;box-shadow:var(--shadow)}
@media (max-width:640px){.history-item{flex-direction:column;align-items:flex-start}.h-actions{width:100%;justify-content:flex-end}}