/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:36px;padding:0 15px;
  border-radius:9px;font-size:12.5px;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  transition:all .15s;white-space:nowrap}
.btn:hover{border-color:var(--line-strong);background:var(--surface-2)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(35,103,232,.22)}
.btn.primary:hover{background:var(--blue-600)}
.btn.danger{background:#fff;border-color:#f0c5c5;color:var(--red)}
.btn.danger:hover{background:var(--red-soft)}
.btn.ghost{background:transparent}
.btn.sm{height:30px;padding:0 11px;font-size:11.5px}
.btn.block{width:100%;height:42px;margin-top:20px;font-size:13.5px}
.btn.purple{background:var(--purple);border-color:var(--purple);color:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ===== 卡片 ===== */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm)}
.card.pad{padding:16px}
.card.pad-lg{padding:20px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:13px;flex-wrap:wrap}
.card-head h3{margin:0;font-size:13.5px;font-weight:700;min-width:0}
.card-head .sub{font-size:11px;color:var(--muted)}
.card+.card{margin-top:14px}

/* KPI */
.kpi .label{font-size:11.5px;color:var(--muted);display:flex;align-items:center;gap:6px}
.kpi .value{font-size:27px;font-weight:760;line-height:1.1;margin:7px 0 3px;letter-spacing:-.5px}
.kpi .delta{font-size:11px;color:var(--green)}
.kpi .ico{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:15px;background:var(--blue-soft)}
.kpi .top{display:flex;align-items:center;justify-content:space-between}

/* ===== 徽章 / chip ===== */
.badge{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 9px;border-radius:999px;
  font-size:10.5px;font-weight:700;letter-spacing:.2px}
.badge.blue{background:var(--blue-soft);color:var(--blue-ink)}
.badge.green{background:var(--green-soft);color:var(--green)}
.badge.amber{background:var(--amber-soft);color:var(--amber)}
.badge.red{background:var(--red-soft);color:var(--red)}
.badge.purple{background:var(--purple-soft);color:var(--purple)}
.badge.gray{background:var(--surface-3);color:var(--muted)}
.badge.diff{background:var(--diff-soft);color:#c5660a}
.chip{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border:1px solid var(--line);
  border-radius:7px;font-size:11px;color:var(--ink-2);background:#fff;cursor:pointer}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.on{background:var(--blue);border-color:var(--blue);color:#fff}
.tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:6px;font-size:10.5px;
  background:var(--surface-3);color:var(--muted);margin:2px 4px 2px 0}
.conf{display:inline-flex;align-items:center;gap:4px;font-size:10.5px;font-weight:700;padding:2px 7px;border-radius:6px}
.conf.A{background:var(--green-soft);color:var(--green)}
.conf.B{background:var(--blue-soft);color:var(--blue-ink)}
.conf.C{background:var(--surface-3);color:var(--muted)}
.conf.D{background:var(--amber-soft);color:var(--amber)}

/* ===== 表格 ===== */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl th{text-align:left;color:var(--muted);font-weight:600;background:var(--surface-2);padding:10px 12px;
  border-bottom:1px solid var(--line);white-space:nowrap;font-size:11.5px}
.tbl td{padding:11px 12px;border-bottom:1px solid #eef1f6;vertical-align:middle}
.tbl tbody tr{cursor:pointer}
.tbl tbody tr:hover td{background:#fafbfe}
.tbl .id{font-family:var(--mono);font-weight:700;font-size:12px}
.tbl .sub{color:var(--faint);font-size:10.5px;margin-top:1px}

/* 属性行 */
.kv{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-bottom:1px dashed #edf0f5;font-size:12.5px}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--muted)}
.kv .v{font-weight:600;text-align:right}
.kv .v.mono{font-family:var(--mono)}

/* 进度 / 分数条 */
.bar{height:6px;background:var(--surface-3);border-radius:99px;overflow:hidden;min-width:50px}
.bar i{display:block;height:100%;background:var(--blue);border-radius:99px}
.bar.green i{background:var(--green)}.bar.amber i{background:var(--amber)}.bar.purple i{background:var(--purple)}.bar.diff i{background:var(--diff)}
.score-line{display:flex;align-items:center;gap:9px;font-size:11px;margin:5px 0}
.score-line .nm{width:46px;color:var(--muted);flex:none}
.score-line .bar{flex:1}
.score-line .vl{width:38px;text-align:right;font-family:var(--mono);font-weight:700;flex:none}

/* ===== Tabs ===== */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);overflow-x:auto;margin-bottom:18px}
.tab{padding:10px 14px;font-size:13px;color:var(--muted);border-bottom:2px solid transparent;cursor:pointer;
  white-space:nowrap;font-weight:600}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--blue);border-bottom-color:var(--blue)}
.tab .n{font-size:10px;background:var(--surface-3);border-radius:99px;padding:0 6px;margin-left:5px;color:var(--muted)}
.tab.active .n{background:var(--blue-soft);color:var(--blue-ink)}

/* ===== 筛选工具条 ===== */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar input,.toolbar select{width:auto;min-width:150px}
.toolbar .spacer{flex:1}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:2px}
.seg button{height:28px;padding:0 12px;border-radius:7px;font-size:12px;color:var(--muted)}
.seg button.on{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm);font-weight:600}

/* ===== 缩略图卡（图纸网格）===== */
.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.thumb-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;
  transition:transform .15s,box-shadow .15s;position:relative}
.thumb-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.thumb{aspect-ratio:1.414/1;background:linear-gradient(180deg,#fbfcfe,#f1f4f9);border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;display:grid;place-items:center}
.thumb svg{width:100%;height:100%}
.thumb-body{padding:10px 11px}
.thumb-title{font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thumb-meta{font-size:10.5px;color:var(--faint);margin-top:3px;display:flex;gap:6px;flex-wrap:wrap}
.thumb-corner{position:absolute;top:7px;right:7px;z-index:2}
.thumb-score{position:absolute;left:7px;top:7px;background:rgba(14,26,42,.9);color:#fff;font-size:11px;
  font-weight:700;padding:3px 8px;border-radius:7px;font-family:var(--mono)}
.sel-dot{position:absolute;left:8px;bottom:8px;width:18px;height:18px;border-radius:50%;border:2px solid #fff;
  background:rgba(14,26,42,.25);z-index:2;display:none;place-items:center;color:#fff;font-size:11px}
.thumb-card.selected{border-color:var(--blue);box-shadow:0 0 0 2px rgba(35,103,232,.25)}
.thumb-card.selected .sel-dot{display:grid;background:var(--blue)}

/* 空态 / 骨架 */
.empty{text-align:center;padding:54px 20px;color:var(--muted)}
.empty .e-ico{font-size:34px;margin-bottom:10px;opacity:.5}
.empty h4{margin:0 0 6px;font-size:14px;color:var(--ink-2)}
.empty p{margin:0 0 16px;font-size:12px}
.sk{background:linear-gradient(90deg,#eef2f7 25%,#f7f9fc 37%,#eef2f7 63%);background-size:400% 100%;
  animation:sk 1.3s ease infinite;border-radius:6px}
@keyframes sk{0%{background-position:100% 0}100%{background-position:0 0}}
.sk-thumb{aspect-ratio:1.414/1}

/* 上传区 */
.dropzone{border:2px dashed var(--line-strong);border-radius:14px;padding:40px;text-align:center;
  background:var(--surface-2);cursor:pointer;transition:all .15s}
.dropzone:hover,.dropzone.drag{border-color:var(--blue);background:var(--blue-soft)}
.dropzone .dz-ico{font-size:34px}
.dropzone h4{margin:8px 0 4px}
.dropzone p{margin:0;color:var(--muted);font-size:11.5px}

/* ===== 抽屉 / Modal ===== */
.drawer-mask,.modal-mask{position:fixed;inset:0;background:rgba(11,22,38,.42);z-index:80;opacity:0;pointer-events:none;transition:opacity .2s}
.drawer-mask.show,.modal-mask.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:440px;max-width:94vw;background:#fff;z-index:90;
  box-shadow:var(--shadow-lg);transform:translateX(100%);transition:transform .22s;display:flex;flex-direction:column}
.drawer.show{transform:translateX(0)}
.drawer.wide{width:640px}
.drawer-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-head h3{margin:0;font-size:15px}
.drawer-body{padding:18px 20px;overflow-y:auto;flex:1}
.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-46%);background:#fff;border-radius:var(--r-lg);
  z-index:90;width:560px;max-width:94vw;max-height:88vh;overflow:auto;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:all .2s}
.modal.show{transform:translate(-50%,-50%);opacity:1;pointer-events:auto}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:15px}
.modal-body{padding:18px 20px}
.modal-foot{padding:13px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:9px}
.x{width:28px;height:28px;border-radius:8px;color:var(--muted);font-size:16px}
.x:hover{background:var(--surface-2)}

/* toast */
#toastRoot{position:fixed;top:18px;right:18px;z-index:120;display:flex;flex-direction:column;gap:9px}
.toast{background:#101923;color:#fff;padding:11px 16px;border-radius:10px;font-size:12.5px;
  box-shadow:var(--shadow-lg);display:flex;gap:9px;align-items:center;max-width:360px;animation:tin .2s}
.toast.ok{border-left:3px solid #2fd28c}.toast.err{border-left:3px solid #ff7a7a}.toast.info{border-left:3px solid #68a6ff}
@keyframes tin{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ===== 向导 / 步骤 ===== */
.steps{display:flex;gap:0;margin-bottom:22px}
.step{flex:1;display:flex;align-items:center;gap:9px}
.step .dot{width:26px;height:26px;border-radius:50%;background:var(--surface-3);color:var(--muted);
  display:grid;place-items:center;font-size:12px;font-weight:700;flex:none}
.step .st{font-size:12px;color:var(--muted);font-weight:600}
.step::after{content:"";flex:1;height:2px;background:var(--surface-3);margin:0 10px}
.step:last-child::after{display:none}
.step.done .dot{background:var(--green);color:#fff}
.step.done .st{color:var(--green)}
.step.active .dot{background:var(--blue);color:#fff}
.step.active .st{color:var(--ink)}

/* kanban */
.kanban{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);gap:13px;align-items:start}
.kcol{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);padding:10px;min-height:200px}
.kcol h4{margin:4px 6px 10px;font-size:12px;display:flex;justify-content:space-between;align-items:center}
.kcol .cnt{background:var(--surface-3);border-radius:99px;padding:1px 8px;font-size:11px;color:var(--muted)}
.kcard{background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px;margin-bottom:9px;cursor:pointer;box-shadow:var(--shadow-sm)}
.kcard:hover{border-color:var(--blue)}
.kcard .kt{font-size:12.5px;font-weight:600}
.kcard .km{font-size:11px;color:var(--muted);margin-top:4px;display:flex;gap:8px;flex-wrap:wrap}

/* 计划步骤 */
.plan-step{display:flex;gap:11px;padding:11px 0;border-bottom:1px dashed #edf0f5;align-items:flex-start}
.plan-step .pdot{width:22px;height:22px;border-radius:50%;background:var(--green-soft);color:var(--green);
  display:grid;place-items:center;font-size:11px;flex:none;font-weight:700}
.plan-step .pt{font-size:12.5px;font-weight:600}
.plan-step .pp{font-size:11px;color:var(--muted);margin-top:2px}

/* 聊天气泡 */
.chat{display:flex;flex-direction:column;gap:13px}
.msg{display:flex;gap:10px;max-width:82%}
.msg .ava{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:13px;flex:none}
.msg.ai .ava{background:var(--purple-soft);color:var(--purple)}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg.user .ava{background:var(--blue-soft);color:var(--blue)}
.bubble{background:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 14px;font-size:12.5px}
.msg.user .bubble{background:var(--blue);color:#fff;border-color:var(--blue)}
.chat-input{display:flex;gap:9px;margin-top:14px}
.evidence{border-left:3px solid var(--blue);background:var(--surface-2);border-radius:0 8px 8px 0;padding:9px 12px;
  font-size:11.5px;margin:7px 0;cursor:pointer}
.evidence:hover{background:var(--blue-soft)}
.evidence .et{font-weight:700;color:var(--blue-ink);font-size:11px}