:root{
  --bg:#0a0e1a; --bg2:#0f1526; --panel:#131b31; --panel2:#1a2340;
  --line:rgba(120,160,255,.12); --line2:rgba(120,160,255,.22);
  --txt:#e8eefc; --txt2:#93a3c4; --txt3:#5c6b8f;
  --cyan:#22d3ee; --blue:#4f7cff; --violet:#8b5cf6; --green:#34d399;
  --amber:#fbbf24; --red:#f87171; --purple:#a855f7;
  --glow:0 0 24px rgba(34,211,238,.35);
  --grad:linear-gradient(135deg,#22d3ee 0%,#4f7cff 55%,#8b5cf6 100%);
  --grad2:linear-gradient(135deg,#a855f7 0%,#6366f1 100%);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);
  background-image:radial-gradient(1200px 600px at 85% -10%,rgba(79,124,255,.14),transparent 60%),
  radial-gradient(900px 500px at -10% 110%,rgba(139,92,246,.12),transparent 60%)}
::selection{background:rgba(34,211,238,.3)}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:#263259;border-radius:6px}
::-webkit-scrollbar-track{background:transparent}
#app{display:flex;height:100vh}
.hidden{display:none!important}

/* ===== 登录层 ===== */
.login-mask{position:fixed;inset:0;background:var(--bg);z-index:200;display:flex;align-items:center;justify-content:center;
  background-image:radial-gradient(1200px 600px at 85% -10%,rgba(79,124,255,.14),transparent 60%),
  radial-gradient(900px 500px at -10% 110%,rgba(139,92,246,.12),transparent 60%)}
.login-mask.hidden{display:none}
.login-panel{width:400px;background:var(--bg2);border:1px solid var(--line2);border-radius:18px;padding:36px;
  box-shadow:0 30px 80px rgba(0,0,0,.5);animation:modalIn .3s ease}
.login-title{text-align:center;font-size:18px;font-weight:700;letter-spacing:4px;margin:14px 0 20px}
.login-err{color:var(--red);font-size:12px;text-align:center;margin-top:10px}
.login-tip{font-size:11px;color:var(--txt3);text-align:center;margin-top:14px;line-height:1.7}
.login-switch{font-size:12px;color:var(--txt3);text-align:center;margin-top:14px}
.login-switch a{color:var(--cyan);cursor:pointer;text-decoration:none}
.login-switch a:hover{text-decoration:underline}
@keyframes modalIn{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.brand{display:flex;align-items:center;gap:12px;padding:4px 8px 18px;border-bottom:1px solid var(--line)}
.brand-logo{width:42px;height:42px;border-radius:12px;background:var(--grad);display:flex;align-items:center;
  justify-content:center;font-size:22px;font-weight:800;color:#04122a;box-shadow:var(--glow)}
.brand-name{font-size:18px;font-weight:700;letter-spacing:2px}
.brand-sub{font-size:10px;color:var(--txt3);letter-spacing:.6px;text-transform:uppercase}
.form-row{margin-top:14px}
.form-row label{display:block;font-size:12px;color:var(--txt3);margin-bottom:6px}
.form-row input,.form-row select{width:100%;background:var(--panel);border:1px solid var(--line);
  border-radius:10px;padding:11px 14px;color:var(--txt);font-size:13px;outline:none}
.form-row input:focus{border-color:var(--cyan)}
.form-row select option{background:var(--panel)}
.btn-primary{background:var(--grad);color:#04122a;border:none;border-radius:10px;padding:10px 20px;
  font-size:14px;font-weight:700;cursor:pointer;letter-spacing:1px;transition:all .2s;box-shadow:0 4px 18px rgba(79,124,255,.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 26px rgba(34,211,238,.4)}
.btn-block{width:100%}
.btn-lg{width:100%;padding:14px;font-size:15px;margin-top:16px}
.btn-ghost{background:transparent;border:1px solid var(--line2);color:var(--txt2);border-radius:10px;
  padding:9px 18px;font-size:13px;cursor:pointer;transition:all .2s}
.btn-ghost:hover{color:var(--txt);border-color:var(--cyan)}
.btn-icon{background:var(--panel);border:1px solid var(--line);color:var(--txt2);border-radius:8px;
  width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;transition:all .15s}
.btn-icon:hover{color:var(--cyan);border-color:var(--cyan)}
.tag{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:11px;
  background:rgba(79,124,255,.12);color:#9db8ff;border:1px solid rgba(79,124,255,.25)}
.tag.green{background:rgba(52,211,153,.12);color:var(--green);border-color:rgba(52,211,153,.3)}
.tag.amber{background:rgba(251,191,36,.12);color:var(--amber);border-color:rgba(251,191,36,.3)}
.tag.red{background:rgba(248,113,113,.12);color:var(--red);border-color:rgba(248,113,113,.3)}
.tag.cyan{background:rgba(34,211,238,.12);color:var(--cyan);border-color:rgba(34,211,238,.3)}
.tag.purple{background:rgba(168,85,247,.12);color:var(--purple);border-color:rgba(168,85,247,.3)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.dot-green{background:var(--green);box-shadow:0 0 8px var(--green)}
.dot-cyan{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.dot-amber{background:var(--amber)}
.dot-red{background:var(--red)}
.dot-gray{background:#3a4668}

/* ===== 左栏 ===== */
.left-panel{width:240px;min-width:240px;background:var(--bg2);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:16px 10px;gap:8px}
.left-top{display:flex;flex-direction:column;gap:8px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.left-search{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px 12px}
.left-search input{background:none;border:none;outline:none;color:var(--txt);width:100%;font-size:12px}
.left-label{font-size:11px;color:var(--txt3);letter-spacing:1px;padding:8px 10px 4px;text-transform:uppercase}
.left-item{padding:9px 12px;border-radius:9px;font-size:13px;color:var(--txt2);cursor:pointer;transition:all .15s;user-select:none}
.left-item:hover{background:var(--panel);color:var(--txt)}
.left-item.active{background:rgba(79,124,255,.14);color:var(--txt);border-left:2px solid var(--cyan)}
.session-item{display:flex;flex-direction:column;gap:2px}
.session-name{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.session-meta{font-size:11px;color:var(--txt3)}
.left-foot{display:flex;align-items:center;gap:10px;padding:12px 8px 4px;border-top:1px solid var(--line)}
.user-chip-small{width:32px;height:32px;border-radius:50%;background:var(--grad);display:flex;align-items:center;
  justify-content:center;font-weight:800;color:#04122a;font-size:14px}
.user-info{flex:1}
.user-name{font-size:13px;font-weight:600}
.user-role{font-size:11px;color:var(--txt3)}

/* ===== 中栏：对话 ===== */
.chat-panel{flex:1;display:flex;flex-direction:column;min-width:0}
.chat-header{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;
  border-bottom:1px solid var(--line);background:rgba(15,21,38,.7);backdrop-filter:blur(8px)}
.chat-title{font-size:16px;font-weight:700;letter-spacing:.5px}
.chat-status{font-size:12px;color:var(--txt2);display:flex;align-items:center;gap:6px}
.chat-messages{flex:1;overflow-y:auto;padding:20px 24px;display:flex;flex-direction:column;gap:20px}
.msg{display:flex;gap:12px;max-width:85%}
.msg-user{flex-direction:row-reverse;align-self:flex-end}
.msg-avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;flex-shrink:0}
.msg-user .msg-avatar{background:var(--grad2);color:#fff}
.msg-assistant .msg-avatar{background:var(--grad);color:#04122a}
.msg-body{flex:1;min-width:0}
.msg-user .msg-body{text-align:right}
.msg-text{font-size:14px;line-height:1.8;color:var(--txt)}
.msg-file{margin-top:8px;padding:8px 14px;background:var(--panel);border:1px solid var(--line);
  border-radius:10px;font-size:12px;color:var(--txt2);display:inline-block}
.msg-user .msg-file{text-align:left}
.msg-think{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.think-label{font-size:12px;color:var(--cyan);background:rgba(34,211,238,.1);padding:3px 10px;border-radius:6px}
.think-time{font-size:11px;color:var(--txt3)}
.swarm-inline{margin-top:12px}
.chat-input{padding:16px 24px;border-top:1px solid var(--line);background:rgba(15,21,38,.5)}
.input-hint{font-size:11px;color:var(--txt3);margin-bottom:8px}
.input-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px}
.input-box:focus-within{border-color:var(--cyan)}
.input-box textarea{width:100%;background:none;border:none;outline:none;color:var(--txt);font-size:14px;
  line-height:1.7;resize:none;font-family:inherit}
.input-box textarea::placeholder{color:var(--txt3)}
.input-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}

/* ===== 右栏：蜂群面板 ===== */
.right-panel{width:320px;min-width:320px;background:var(--bg2);border-left:1px solid var(--line);
  display:flex;flex-direction:column}
.right-tabs{display:flex;border-bottom:1px solid var(--line);padding:0 8px}
.right-tab{flex:1;background:none;border:none;color:var(--txt3);font-size:12px;padding:12px 4px;
  cursor:pointer;transition:all .15s;letter-spacing:.5px}
.right-tab:hover{color:var(--txt2)}
.right-tab.active{color:var(--cyan);border-bottom:2px solid var(--cyan)}
.right-content{flex:1;overflow-y:auto;padding:16px}

/* ===== 蜂群面板内容 ===== */
.swarm-stats{display:flex;gap:10px;margin-bottom:16px}
.swarm-stat{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center}
.swarm-stat-num{font-size:22px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.swarm-stat-label{font-size:10px;color:var(--txt3);margin-top:4px;letter-spacing:.5px}

.bee-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:10px;transition:all .2s}
.bee-card.running{border-color:var(--cyan);box-shadow:0 0 16px rgba(34,211,238,.12)}
.bee-card.done{border-color:rgba(52,211,153,.3)}
.bee-card-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.bee-card-icon{width:32px;height:32px;border-radius:8px;background:var(--panel2);display:flex;align-items:center;justify-content:center;font-size:15px}
.bee-card-name{flex:1;font-size:13px;font-weight:600}
.bee-card-model{font-size:10px;color:var(--txt3)}
.bee-card-status{font-size:11px}
.bee-card-desc{font-size:11px;color:var(--txt3);line-height:1.6}
.bee-card-msg{margin-top:8px;font-size:12px;color:var(--txt2);background:rgba(34,211,238,.06);
  border-left:2px solid var(--cyan);padding:8px 10px;border-radius:0 8px 8px 0}

/* 协作关系图 */
.relation-canvas{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;
  margin:16px 0;position:relative}
.relation-title{font-size:12px;font-weight:700;color:var(--txt2);letter-spacing:1px;margin-bottom:12px;display:flex;align-items:center;gap:6px}
.relation-title::before{content:"";width:3px;height:12px;background:var(--grad);border-radius:2px}
.relation-svg{width:100%}
.rel-node{cursor:pointer}
.rel-node circle{fill:#182242;stroke:#2a3a6b;stroke-width:1.5;transition:all .3s}
.rel-node text{fill:var(--txt2);font-size:10px;text-anchor:middle;pointer-events:none}
.rel-node .rel-title{font-size:11px;font-weight:700;fill:var(--txt)}
.rel-node.running circle{fill:rgba(34,211,238,.15);stroke:var(--cyan);filter:drop-shadow(0 0 8px rgba(34,211,238,.5))}
.rel-node.running .rel-title{fill:var(--cyan)}
.rel-node.done circle{fill:rgba(52,211,153,.12);stroke:var(--green)}
.rel-node.done .rel-title{fill:var(--green)}
.rel-node.found circle{fill:rgba(168,85,247,.12);stroke:var(--purple)}
.rel-node.found .rel-title{fill:var(--purple)}
.rel-link{stroke:#2a3a6b;stroke-width:1;stroke-dasharray:4 4}
.rel-link.active{stroke:var(--cyan);animation:dashflow 1s linear infinite}
@keyframes dashflow{to{stroke-dashoffset:-8}}

/* 信息流 */
.info-flow{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px}
.info-flow-title{font-size:12px;font-weight:700;color:var(--txt2);letter-spacing:1px;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.info-flow-title::before{content:"";width:3px;height:12px;background:var(--grad2);border-radius:2px}
.flow-item{display:flex;gap:10px;padding:10px;border-bottom:1px solid var(--line);font-size:12px;line-height:1.7}
.flow-item:last-child{border-bottom:none}
.flow-arrow{color:var(--cyan);font-weight:700;flex-shrink:0}
.flow-from{color:var(--purple);font-weight:600}
.flow-to{color:var(--cyan);font-weight:600}
.flow-status{font-size:10px;color:var(--green);margin-left:auto;flex-shrink:0}
.flow-msg{color:var(--txt2);margin-top:4px;padding-left:20px}

/* 看板 */
.board-item{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:8px}
.board-item-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.board-item-title{font-size:13px;font-weight:600}
.board-item-desc{font-size:11px;color:var(--txt3);line-height:1.6}

/* 空状态 */
.panel-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 16px;color:var(--txt3)}
.panel-empty-icon{font-size:36px;margin-bottom:12px;opacity:.4}
.panel-empty p{font-size:13px;text-align:center;line-height:1.8}

/* 附件栏 */
.input-attachments{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.attach-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(79,124,255,.12);border:1px solid rgba(79,124,255,.25);
  border-radius:8px;padding:5px 10px;font-size:12px;color:#9db8ff}
.attach-chip .attach-remove{color:var(--txt3);cursor:pointer;font-size:14px;margin-left:2px}
.attach-chip .attach-remove:hover{color:var(--red)}
.chat-input.drag-over .input-box{border-color:var(--cyan);box-shadow:0 0 16px rgba(34,211,238,.2)}

/* 脉冲动画 */
.pulse{animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}