/* ============================================================
   商务标书智能体 · 自研前端样式（零依赖，无构建）
   ============================================================ */
:root{
  --brand:#2563eb; --brand-d:#1d4ed8; --brand-l:#eff4ff;
  --ink:#0f172a; --ink2:#334155; --muted:#64748b; --line:#e5e9f2;
  --bg:#f4f6fb; --card:#fff; --ok:#059669; --ok-bg:#ecfdf5;
  --warn:#b45309; --warn-bg:#fffbeb; --err:#dc2626; --err-bg:#fef2f2;
  --side:#0f172a; --radius:12px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}
.muted{color:var(--muted)}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}

/* ---------------- 门禁 ---------------- */
.gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(1200px 600px at 50% -10%,#1e3a8a 0%,#0f172a 60%);z-index:100}
.gate-card{width:380px;background:#fff;border-radius:16px;padding:36px 32px;text-align:center;
  box-shadow:0 24px 60px rgba(2,6,23,.45)}
.gate-logo{width:52px;height:52px;border-radius:14px;margin:0 auto 16px;background:var(--brand);
  color:#fff;font-size:24px;font-weight:700;display:flex;align-items:center;justify-content:center}
.gate-card h1{font-size:20px;margin-bottom:6px}
.gate-card p{margin:0 0 22px;font-size:13px}
.gate-card input{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:9px;
  font-size:14px;outline:none;margin-bottom:12px}
.gate-card input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}
.gate-err{color:var(--err);font-size:13px;margin-top:10px;min-height:18px}
.gate-hint{font-size:11.5px;margin-top:14px;color:#94a3b8}

/* 企业勾选（资料库按企业隔离维度） */
.checks{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.checks.inline{display:flex;flex-direction:row;flex-wrap:wrap;gap:10px}
.chk{display:inline-flex;align-items:center;gap:6px;font-size:13px;cursor:pointer;
  padding:5px 9px;border:1px solid var(--line);border-radius:8px;background:#fff}
.chk input{margin:0}

/* ---------------- 布局 ---------------- */
.shell{display:flex;min-height:100vh}
.sidebar{width:232px;flex:0 0 232px;background:var(--side);color:#cbd5e1;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:11px;padding:22px 20px 18px}
.brand-logo{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;
  font-weight:700;display:flex;align-items:center;justify-content:center}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{color:#fff;font-size:15px}
.brand-text span{font-size:11px;color:#64748b;letter-spacing:.08em;text-transform:uppercase}
.nav{padding:6px 12px;display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;
  font-size:14px;color:#cbd5e1;transition:.15s}
.nav-item svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;opacity:.85}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:var(--brand);color:#fff}
.side-cta{margin-top:auto;padding:14px}
.side-foot{padding:0 18px 18px;display:flex;justify-content:space-between;align-items:center;
  font-size:11px;color:#475569}
.linkbtn{background:none;border:none;color:#94a3b8;cursor:pointer;font-size:11px;padding:0}
.linkbtn:hover{color:#fff}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding:22px 28px 18px;background:#fff;border-bottom:1px solid var(--line)}
.topbar h2{font-size:19px}
.topbar p{margin:2px 0 0;font-size:13px}
.page-actions{display:flex;gap:8px;flex-wrap:wrap}
.view{padding:24px 28px 60px;flex:1}

/* ---------------- 通用件 ---------------- */
.btn{border:1px solid var(--line);background:#fff;color:var(--ink2);padding:8px 15px;
  border-radius:8px;font-size:13.5px;cursor:pointer;transition:.15s;display:inline-flex;
  align-items:center;gap:6px;white-space:nowrap;font-family:inherit}
.btn:hover{border-color:#c7d2fe;color:var(--brand);background:#fbfcff}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d);border-color:var(--brand-d);color:#fff}
.btn-danger{color:var(--err);border-color:#fecaca}
.btn-danger:hover{background:var(--err-bg);border-color:#fca5a5;color:var(--err)}
.btn-block{display:flex;justify-content:center;width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-sm{padding:5px 10px;font-size:12.5px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow)}
.card-pad{padding:20px}
.card-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between;gap:12px}
.card-head h3{font-size:15px}

.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:1180px){.grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}}

.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
  box-shadow:var(--shadow)}
.stat .k{font-size:12.5px;color:var(--muted)}
.stat .v{font-size:28px;font-weight:680;margin-top:4px;letter-spacing:-.02em}
.stat .s{font-size:12px;color:var(--muted);margin-top:2px}

.tag{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:99px;
  font-size:12px;font-weight:500;border:1px solid transparent}
.tag-blue{background:var(--brand-l);color:var(--brand-d);border-color:#dbeafe}
.tag-green{background:var(--ok-bg);color:var(--ok);border-color:#d1fae5}
.tag-warn{background:var(--warn-bg);color:var(--warn);border-color:#fde68a}
.tag-red{background:var(--err-bg);color:var(--err);border-color:#fecaca}
.tag-gray{background:#f1f5f9;color:var(--muted);border-color:#e2e8f0}

.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{text-align:left;font-weight:600;color:var(--muted);font-size:12.5px;
  padding:10px 16px;border-bottom:1px solid var(--line);background:#fafbfd}
.table td{padding:13px 16px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:#fafcff}

.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .big{font-size:38px;opacity:.35;margin-bottom:10px}
.spinner{width:16px;height:16px;border:2px solid #dbeafe;border-top-color:var(--brand);
  border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:-3px}
@keyframes spin{to{transform:rotate(360deg)}}
.loading{padding:50px;text-align:center;color:var(--muted)}

.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--ink2);margin-bottom:6px;font-weight:500}
.field input[type=text],.field input[type=date],.field select,.field textarea{
  width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;
  outline:none;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}
.row{display:flex;gap:12px}
.row>*{flex:1}
.qrow{display:grid;grid-template-columns:2fr 1.4fr .8fr 1fr 1fr auto;gap:6px;margin-bottom:6px;align-items:center}
.qrow input{width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:7px;font-size:13px;outline:none;font-family:inherit;background:#fff}
.qrow input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}

.progressbar{height:7px;background:#eef2f7;border-radius:99px;overflow:hidden}
.progressbar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#60a5fa);
  border-radius:99px;transition:width .4s ease}

.notice{padding:11px 14px;border-radius:9px;font-size:13px;display:flex;gap:8px;align-items:flex-start}
.notice-warn{background:var(--warn-bg);color:var(--warn);border:1px solid #fde68a}
.notice-err{background:var(--err-bg);color:var(--err);border:1px solid #fecaca}
.notice-info{background:var(--brand-l);color:var(--brand-d);border:1px solid #dbeafe}

/* ---------------- 上传区 ---------------- */
.drop{border:2px dashed #cbd5e1;border-radius:var(--radius);padding:38px 20px;text-align:center;
  background:#fbfcfe;cursor:pointer;transition:.18s}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--brand-l)}
.drop .ico{font-size:34px;opacity:.5}
.drop strong{display:block;margin:8px 0 3px;font-size:14.5px}
.drop small{color:var(--muted)}
.filechip{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--brand-l);
  border:1px solid #dbeafe;border-radius:9px;font-size:13px;margin-top:12px}
.filechip .x{margin-left:auto;cursor:pointer;color:var(--muted);font-size:15px}

/* ---------------- 向导 ---------------- */
.steps{display:flex;align-items:center;gap:0;margin-bottom:22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);padding:16px 22px;box-shadow:var(--shadow)}
.step{display:flex;align-items:center;gap:10px;flex:1}
.step .dot{width:26px;height:26px;border-radius:50%;background:#e2e8f0;color:var(--muted);
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:600;flex:0 0 26px}
.step .lbl{font-size:13.5px;color:var(--muted)}
.step.active .dot{background:var(--brand);color:#fff}
.step.active .lbl{color:var(--ink);font-weight:600}
.step.done .dot{background:var(--ok);color:#fff}
.step.done .lbl{color:var(--ink2)}
.step-line{height:2px;background:#e2e8f0;flex:1;margin:0 12px;min-width:24px}

.wizard{display:grid;grid-template-columns:260px 1fr;gap:18px;align-items:start}
@media(max-width:980px){.wizard{grid-template-columns:1fr}}
.slotlist{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow)}
.slotlist .hd{padding:13px 16px;border-bottom:1px solid var(--line);font-size:12.5px;
  color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.slot{display:flex;align-items:center;gap:10px;padding:12px 16px;cursor:pointer;
  border-bottom:1px solid #f1f5f9;transition:.15s}
.slot:last-child{border-bottom:none}
.slot:hover{background:#fafcff}
.slot.active{background:var(--brand-l);box-shadow:inset 3px 0 0 var(--brand)}
.slot .nm{font-size:13.5px;font-weight:500}
.slot .sub{font-size:11.5px;color:var(--muted)}
.slot .badge{margin-left:auto;font-size:11.5px;padding:1px 8px;border-radius:99px;
  background:#f1f5f9;color:var(--muted)}
.slot.picked .badge{background:var(--ok-bg);color:var(--ok)}
.slot.empty-slot .badge{background:var(--warn-bg);color:var(--warn)}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:14px}
.pick{background:#fff;border:2px solid var(--line);border-radius:11px;overflow:hidden;
  cursor:pointer;transition:.16s;position:relative}
.pick:hover{border-color:#bfdbfe;transform:translateY(-2px);box-shadow:0 8px 22px rgba(37,99,235,.12)}
.pick.on{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}
.pick .thumb{height:168px;background:#f8fafc;display:flex;align-items:center;justify-content:center;
  overflow:hidden;position:relative}
.pick .thumb img{width:100%;height:100%;object-fit:cover;object-position:top}
.pick .meta{padding:9px 11px}
.pick .fn{font-size:12.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pick .mi{font-size:11.5px;color:var(--muted);margin-top:2px;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis}
.pick .cb{position:absolute;top:9px;left:9px;width:22px;height:22px;border-radius:6px;
  background:rgba(255,255,255,.94);border:1.5px solid #cbd5e1;display:flex;align-items:center;
  justify-content:center;font-size:13px;color:transparent;z-index:2}
.pick.on .cb{background:var(--brand);border-color:var(--brand);color:#fff}
.pick .zoom{position:absolute;top:9px;right:9px;width:26px;height:26px;border-radius:7px;
  background:rgba(15,23,42,.62);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:13px;z-index:3;opacity:1;transition:.15s;cursor:pointer}
.pick .zoom:hover{background:rgba(15,23,42,.85)}
.pick .thumb{cursor:zoom-in}
.pick .thumb::after{content:'';position:absolute;inset:0;background:transparent;transition:.15s;z-index:2;pointer-events:none}
.pick .thumb:hover::after{background:rgba(0,0,0,.04)}

/* ---------------- 资料库 ---------------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.filters input,.filters select{padding:8px 12px;border:1px solid var(--line);border-radius:8px;
  font-size:13.5px;outline:none;background:#fff;font-family:inherit}
.filters input{min-width:230px}
.filters input:focus,.filters select:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}
.kbcard{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden;
  box-shadow:var(--shadow);transition:.16s}
.kbcard:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(16,24,40,.1)}
.kbcard .thumb{height:170px;background:#f8fafc;cursor:zoom-in;overflow:hidden}
.kbcard .thumb img{width:100%;height:100%;object-fit:cover;object-position:top}
.kbcard .body{padding:11px 13px}
.kbcard .fn{font-size:13px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kbcard .mi{font-size:11.5px;color:var(--muted);margin-top:3px}
.kbcard .acts{display:flex;gap:6px;padding:0 13px 12px}
.pager{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:20px;
  font-size:13px;color:var(--muted)}

/* ---------------- 浮层 ---------------- */
.lightbox{position:fixed;inset:0;background:rgba(8,12,22,.94);z-index:200;display:flex;
  flex-direction:column;align-items:center;justify-content:center}
.lb-bar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:10px;
  padding:12px 18px;color:#e2e8f0;font-size:13px;background:linear-gradient(180deg,rgba(0,0,0,.55),transparent)}
.lb-space{flex:1}
.lb-count{color:#94a3b8}
.lb-btn{background:rgba(255,255,255,.12);border:none;color:#e2e8f0;padding:6px 12px;
  border-radius:7px;cursor:pointer;font-size:12.5px;font-family:inherit}
.lb-btn:hover{background:rgba(255,255,255,.22);color:#fff}
.lb-stage{max-width:92vw;max-height:84vh;display:flex;align-items:center;justify-content:center}
.lb-stage img{max-width:92vw;max-height:84vh;object-fit:contain;border-radius:6px;
  box-shadow:0 20px 60px rgba(0,0,0,.6);background:#fff}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:74px;border:none;
  background:rgba(255,255,255,.1);color:#fff;font-size:32px;cursor:pointer;border-radius:10px}
.lb-nav:hover{background:rgba(255,255,255,.2)}
.lb-prev{left:18px}.lb-next{right:18px}

.modal{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:180;display:flex;
  align-items:center;justify-content:center}
.modal-card{background:#fff;border-radius:14px;padding:24px;width:440px;max-width:92vw;
  box-shadow:0 24px 60px rgba(2,6,23,.35)}
.modal-card h3{font-size:16px;margin-bottom:14px}
.modal-foot{display:flex;justify-content:flex-end;gap:9px;margin-top:20px}

.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:11px 20px;border-radius:9px;font-size:13.5px;
  opacity:0;pointer-events:none;transition:.25s;z-index:300;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:var(--err)}
.toast.ok{background:var(--ok)}

.kv{display:grid;grid-template-columns:96px 1fr;gap:8px 14px;font-size:13.5px}
.kv .k{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{background:#f1f5f9;border-radius:6px;padding:3px 9px;font-size:12px;color:var(--ink2)}