/* ==========================================================================
   国企议案治理智能系统 · 产品版  —— 统一设计系统
   ========================================================================== */
:root{
  --brand:#1a4fb4; --brand-2:#2d6fe0; --brand-ink:#0f2f6b;
  --grad-brand:linear-gradient(135deg,#2d6fe0,#1a4fb4);
  --nav-bg:linear-gradient(185deg,#0e2a52 0%,#14356a 100%);
  --ink-1:#0f172a; --ink-2:#334155; --ink-3:#64748b; --ink-4:#94a3b8;
  --line:#e6eaf0; --line-2:#eef2f7;
  --bg:#f4f6fb; --card:#ffffff; --hover:#f1f5fb;
  --ok:#16a34a; --ok-bg:#e8f7ee; --warn:#e0900a; --warn-bg:#fdf4e3;
  --bad:#dc2626; --bad-bg:#fdecec; --info:#2563eb; --info-bg:#e9f0fe;
  --violet:#7c3aed; --violet-bg:#f1ebfd; --teal:#0d9488; --teal-bg:#e3f6f4;
  --radius:14px; --radius-sm:10px; --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05),0 1px 3px rgba(15,23,42,.06);
  --shadow:0 6px 22px rgba(15,23,42,.08); --shadow-lg:0 18px 50px rgba(15,23,42,.16);
  --sidebar-w:248px; --topbar-h:64px;
  --font:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",Inter,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink-1);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:8px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#94a3b8;background-clip:content-box}

/* ───────── App shell ───────── */
.layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);flex:0 0 var(--sidebar-w);position:fixed;top:0;left:0;bottom:0;
  background:var(--nav-bg);
  color:#dbe6f7;display:flex;flex-direction:column;z-index:40;box-shadow:2px 0 20px rgba(9,22,45,.18)}
.sb-brand{padding:20px 20px 16px;display:flex;gap:12px;align-items:center;border-bottom:1px solid rgba(255,255,255,.08)}
.sb-logo{width:40px;height:40px;border-radius:11px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;flex:0 0 40px;box-shadow:0 6px 16px rgba(45,111,224,.4)}
.sb-brand h1{font-size:15.5px;font-weight:800;color:#fff;letter-spacing:.2px;line-height:1.25}
.sb-brand span{font-size:11px;color:#93a7c9;font-weight:500;letter-spacing:1.5px;text-transform:uppercase}
.sb-nav{flex:1;padding:14px 12px;overflow-y:auto}
.sb-group{font-size:11px;color:#7f96bb;font-weight:700;letter-spacing:1px;padding:14px 12px 7px}
.sb-item{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:11px;color:#c3d2ea;font-weight:600;font-size:13.5px;margin-bottom:3px;transition:.16s;cursor:pointer;position:relative}
.sb-item svg{width:19px;height:19px;flex:0 0 19px;opacity:.9}
.sb-item:hover{background:rgba(255,255,255,.07);color:#fff}
.sb-item.active{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(26,79,180,.45)}
.sb-item.active svg{opacity:1}
.sb-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);font-size:11.5px;color:#7f96bb;line-height:1.7}
.sb-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#34d399;margin-right:6px;box-shadow:0 0 0 3px rgba(52,211,153,.2)}

.main{flex:1;margin-left:var(--sidebar-w);min-width:0;display:flex;flex-direction:column}
.topbar{height:var(--topbar-h);position:sticky;top:0;z-index:30;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px}
.tb-title h2{font-size:17px;font-weight:800;color:var(--ink-1);letter-spacing:.2px}
.tb-title p{font-size:12.5px;color:var(--ink-3);margin-top:1px}
.tb-actions{display:flex;align-items:center;gap:12px}
.tb-chip{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--ink-2);background:var(--hover);border:1px solid var(--line);padding:7px 12px;border-radius:20px;cursor:pointer;transition:.16s;font-weight:600}
.tb-chip:hover{border-color:var(--brand-2);color:var(--brand)}
.tb-chip .k{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.tb-chip .k.off{background:var(--bad)}

/* 顶栏用户菜单 */
.user-menu{position:relative}
.user-btn{display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);
  border-radius:24px;padding:5px 12px 5px 5px;cursor:pointer;font-family:inherit;transition:.16s;color:var(--ink-2)}
.user-btn:hover{border-color:var(--brand-2);box-shadow:var(--shadow-sm)}
.user-ava{width:28px;height:28px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;flex:0 0 28px}
.user-name{font-size:13px;font-weight:700;max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-pop{position:absolute;right:0;top:calc(100% + 9px);width:210px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-lg);padding:6px;display:none;z-index:50}
.user-menu.open .user-pop{display:block;animation:fade .15s}
.up-head{padding:11px 12px 10px;border-bottom:1px solid var(--line-2);margin-bottom:5px}
.up-name{font-size:13.5px;font-weight:800;color:var(--ink-1)}
.up-id{font-size:11.5px;color:var(--ink-4);margin-top:2px}
.up-item{display:block;width:100%;text-align:left;border:none;background:none;font-family:inherit;
  font-size:13px;font-weight:600;color:var(--ink-2);padding:9px 12px;border-radius:8px;cursor:pointer;transition:.14s}
.up-item:hover{background:var(--hover);color:var(--brand)}
.up-item.danger:hover{background:var(--bad-bg);color:var(--bad)}

.content{padding:28px 30px 60px;max-width:1240px;width:100%;margin:0 auto;flex:1}
.content.wide{max-width:1420px}

/* ───────── Typography / helpers ───────── */
.page-intro{margin-bottom:22px}
.page-intro h3{font-size:15px;font-weight:800;color:var(--ink-1)}
.eyebrow{font-size:11.5px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--brand-2)}
.muted{color:var(--ink-3)}
.small{font-size:12.5px}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mb8{margin-bottom:8px}
.row{display:flex;gap:14px}.row.wrap{flex-wrap:wrap}.grow{flex:1}
.hidden{display:none!important}

/* ───────── Cards ───────── */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card.pad{padding:22px 24px}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 22px;border-bottom:1px solid var(--line-2)}
.card-h h4{font-size:14.5px;font-weight:800;display:flex;align-items:center;gap:9px}
.card-h .ic{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;flex:0 0 26px}
.card-b{padding:20px 22px}
.section-title{font-size:13px;font-weight:800;color:var(--ink-2);letter-spacing:.3px;margin:26px 0 12px;display:flex;align-items:center;gap:8px}
.section-title::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--grad-brand)}

/* ───────── Buttons ───────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-size:13.5px;font-weight:700;
  padding:11px 20px;border-radius:11px;border:1px solid transparent;cursor:pointer;transition:.16s;white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn.primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(26,79,180,.28)}
.btn.primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 26px rgba(26,79,180,.36)}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn.ghost:hover{border-color:var(--brand-2);color:var(--brand);background:var(--hover)}
.btn.soft{background:var(--info-bg);color:var(--brand);border-color:transparent}
.btn.soft:hover{background:#dbe7fe}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;filter:none!important}
.btn.sm{padding:7px 13px;font-size:12.5px;border-radius:9px}
.btn.lg{padding:14px 30px;font-size:15px}
.btn-link{color:var(--brand);font-weight:700;cursor:pointer;font-size:13px}
.btn-link:hover{text-decoration:underline}

/* ───────── Forms ───────── */
label.fld{display:block;font-size:12.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.input,textarea.input,select.input{width:100%;font-family:inherit;font-size:13.5px;color:var(--ink-1);background:#fff;
  border:1.5px solid var(--line);border-radius:11px;padding:11px 14px;transition:.16s;outline:none}
.input:focus,textarea.input:focus,select.input:focus{border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(45,111,224,.12)}
textarea.input{resize:vertical;min-height:120px;line-height:1.7}
select.input{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='3'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:34px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.check{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink-2);cursor:pointer;user-select:none;padding:8px 12px;border:1.5px solid var(--line);border-radius:10px;transition:.16s}
.check:hover{border-color:var(--brand-2)}
.check input{width:16px;height:16px;accent-color:var(--brand)}
.check.on{border-color:var(--brand-2);background:var(--info-bg);color:var(--brand)}

/* ───────── Uploader ───────── */
.uploader{border:2px dashed #c6d2e6;border-radius:var(--radius);padding:26px;text-align:center;background:#fbfcfe;transition:.18s;cursor:pointer}
.uploader:hover,.uploader.drag{border-color:var(--brand-2);background:var(--info-bg)}
.uploader .u-ic{width:46px;height:46px;border-radius:13px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;color:#fff}
.uploader h5{font-size:14px;font-weight:800;color:var(--ink-1)}
.uploader p{font-size:12.5px;color:var(--ink-3);margin-top:4px}
.file-tag{display:inline-flex;align-items:center;gap:9px;background:var(--info-bg);color:var(--brand);font-size:12.5px;font-weight:700;padding:8px 13px;border-radius:10px;margin-top:12px}
.file-tag .x{cursor:pointer;opacity:.7}.file-tag .x:hover{opacity:1}

/* ───────── Badges / pills ───────── */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:4px 11px;border-radius:20px;border:1px solid transparent;line-height:1.4}
.badge.ok{background:var(--ok-bg);color:#15803d}
.badge.warn{background:var(--warn-bg);color:#b45309}
.badge.bad{background:var(--bad-bg);color:#b91c1c}
.badge.info{background:var(--info-bg);color:var(--brand)}
.badge.violet{background:var(--violet-bg);color:var(--violet)}
.badge.teal{background:var(--teal-bg);color:var(--teal)}
.badge.gray{background:#eef1f6;color:var(--ink-3)}
.badge.sandl{background:linear-gradient(135deg,#f97316,#ea580c);color:#fff;border:none}
.dot-lg{width:9px;height:9px;border-radius:50%;display:inline-block}

/* ───────── Home dashboard ───────── */
.hero{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:34px 36px;color:#fff;margin-bottom:26px;
  background:linear-gradient(120deg,#12336d 0%,#1a4fb4 55%,#2d6fe0 100%);box-shadow:var(--shadow)}
.hero::after{content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%)}
.hero .eyebrow{color:#a9c6ff}
.hero h2{font-size:27px;font-weight:900;margin:10px 0 10px;letter-spacing:.5px}
.hero p{font-size:14px;color:#d5e3ff;max-width:720px;line-height:1.8}
.hero-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;position:relative;z-index:1}
.hero-pills span{font-size:12.5px;font-weight:600;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:7px 14px;border-radius:20px;backdrop-filter:blur(4px)}

.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:8px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.kpi .kn{font-size:28px;font-weight:900;color:var(--ink-1);line-height:1;font-variant-numeric:tabular-nums}
.kpi .kl{font-size:12.5px;color:var(--ink-3);margin-top:7px;font-weight:600}
.kpi .kbar{position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:0 3px 3px 0}

.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mod-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:.18s;cursor:pointer;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden}
.mod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.mod-card .mc-ic{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow-sm)}
.mod-card h4{font-size:15.5px;font-weight:800;display:flex;align-items:center;gap:8px}
.mod-card p{font-size:13px;color:var(--ink-3);line-height:1.7}
.mod-card .mc-go{font-size:13px;font-weight:800;color:var(--brand);display:flex;align-items:center;gap:6px;margin-top:auto}
.mod-card:hover .mc-go{gap:10px}
.mod-card .mc-num{position:absolute;right:16px;top:14px;font-size:44px;font-weight:900;color:var(--line-2);line-height:1;z-index:0}

/* ───────── Result / states ───────── */
.result-area{margin-top:24px}
.empty{text-align:center;padding:50px 20px;color:var(--ink-4)}
.empty .e-ic{width:64px;height:64px;border-radius:18px;background:var(--hover);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:var(--ink-4)}
.empty h4{font-size:15px;font-weight:700;color:var(--ink-3)}
.empty p{font-size:13px;margin-top:6px}
.loading{display:flex;flex-direction:column;align-items:center;gap:16px;padding:44px 20px}
.spinner{width:44px;height:44px;border-radius:50%;border:4px solid var(--info-bg);border-top-color:var(--brand);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading .lt{font-size:13.5px;color:var(--ink-2);font-weight:700}
.loading .ls{font-size:12.5px;color:var(--ink-4)}
.alert{border-radius:12px;padding:14px 18px;font-size:13px;display:flex;gap:10px;align-items:flex-start;line-height:1.6}
.alert.err{background:var(--bad-bg);color:#b91c1c;border:1px solid #f7c9c9}
.alert.tip{background:var(--info-bg);color:var(--brand);border:1px solid #cddffb}
.alert.warn{background:var(--warn-bg);color:#b45309;border:1px solid #f3ddb0}
.fade-in{animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ───────── Score ring / scorecard ───────── */
.verdict{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.ring{--val:0;--col:var(--brand);width:132px;height:132px;border-radius:50%;flex:0 0 132px;
  background:conic-gradient(var(--col) calc(var(--val)*3.6deg),#eef2f7 0);display:flex;align-items:center;justify-content:center}
.ring::before{content:"";position:absolute;width:104px;height:104px;border-radius:50%;background:#fff}
.ring .rv{position:relative;text-align:center}
.ring .rn{font-size:34px;font-weight:900;color:var(--ink-1);line-height:1}
.ring .rl{font-size:11px;color:var(--ink-3);font-weight:700;margin-top:2px}
.verdict-info h3{font-size:20px;font-weight:900}
.verdict-info .vt{font-size:13px;color:var(--ink-3);margin-top:6px;max-width:560px;line-height:1.7}

.dim-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.dim{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff;border-left-width:4px}
.dim.g{border-left-color:var(--ok)}.dim.y{border-left-color:var(--warn)}.dim.r{border-left-color:var(--bad)}
.dim-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.dim-top h5{font-size:14px;font-weight:800}.dim-top .code{font-size:11px;color:var(--ink-4);font-weight:700}
.dim-score{font-size:22px;font-weight:900;font-variant-numeric:tabular-nums}
.dim ul{margin:8px 0 0;padding-left:16px}.dim li{font-size:12.5px;color:var(--ink-2);margin-bottom:4px;line-height:1.6}
.dim .rf{background:var(--bad-bg);color:#b91c1c;font-size:12px;padding:7px 10px;border-radius:8px;margin-top:8px;font-weight:600}

/* ───────── Flow (routing) ───────── */
.flow-wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:26px}
@media(max-width:900px){.flow-wrap{grid-template-columns:1fr}}
.flow-track{position:relative;padding-left:8px}
.fstep{position:relative;display:flex;gap:15px;padding-bottom:8px}
.fstep .rail{position:relative;flex:0 0 40px;display:flex;flex-direction:column;align-items:center}
.fstep .node{width:40px;height:40px;border-radius:12px;color:#fff;font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);z-index:1}
.fstep .line{flex:1;width:2.5px;background:linear-gradient(#cbd7ea,#e6eaf0);margin:4px 0}
.fstep:last-child .line{display:none}
.fstep .fbody{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 16px;margin-bottom:16px;box-shadow:var(--shadow-sm)}
.fstep .fbody .bh{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.fstep .fbody .bd{font-size:14.5px;font-weight:800}
.fstep .fbody .act{font-size:11.5px;font-weight:800;padding:3px 10px;border-radius:20px;color:#fff}
.fstep .fbody .nt{font-size:12.5px;color:var(--ink-3);margin-top:6px;line-height:1.6}
.flow-final{margin-top:6px;background:var(--info-bg);border:1px dashed var(--brand-2);border-radius:12px;padding:14px 18px;text-align:center}
.flow-final .fl{font-size:11.5px;color:var(--brand);font-weight:700;letter-spacing:1px}
.flow-final .fv{font-size:15px;font-weight:900;color:var(--brand-ink);margin-top:4px}

.info-list{display:flex;flex-direction:column;gap:0}
.info-row{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line)}
.info-row:last-child{border-bottom:none}
.info-row .il{flex:0 0 108px;font-size:12.5px;color:var(--ink-3);font-weight:700}
.info-row .iv{flex:1;font-size:13px;color:var(--ink-1);font-weight:600}
.basis-item{display:flex;gap:10px;padding:10px 13px;background:#fbfcfe;border:1px solid var(--line-2);border-radius:10px;margin-bottom:8px;font-size:12.5px;color:var(--ink-2);line-height:1.65}
.basis-item .bn{flex:0 0 22px;height:22px;border-radius:7px;background:var(--info-bg);color:var(--brand);font-weight:800;font-size:11px;display:flex;align-items:center;justify-content:center}
.alert-item{display:flex;gap:9px;padding:10px 13px;border-radius:10px;margin-bottom:8px;font-size:12.5px;line-height:1.6;background:var(--warn-bg);color:#92590a;border:1px solid #f3ddb0}

/* ───────── Checklist table (precheck) ───────── */
.tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:12.5px}
.tbl th{text-align:left;font-weight:800;color:var(--ink-3);padding:10px 12px;border-bottom:2px solid var(--line);white-space:nowrap;background:#fbfcfe;position:sticky;top:0}
.tbl td{padding:10px 12px;border-bottom:1px solid var(--line-2);color:var(--ink-2);vertical-align:top}
.tbl tr:hover td{background:#fbfcfe}
.st{font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:16px;white-space:nowrap}
.st.qb{background:var(--ok-bg);color:#15803d}.st.bwq{background:var(--warn-bg);color:#b45309}
.st.qs{background:var(--bad-bg);color:#b91c1c}.st.na{background:#eef1f6;color:var(--ink-4)}
.notice{background:#fbfcfe;border:1px solid var(--line);border-radius:12px;padding:18px 20px;font-size:13px;line-height:1.9;color:var(--ink-2);white-space:pre-wrap}

/* ───────── Chat (assistant) ───────── */
.chat-shell{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}
@media(max-width:1000px){.chat-shell{grid-template-columns:1fr}.chat-aside{display:none}}
.chat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;height:calc(100vh - var(--topbar-h) - 90px);min-height:520px;overflow:hidden}
.chat-scroll{flex:1;overflow-y:auto;padding:24px 26px;display:flex;flex-direction:column;gap:18px}
.msg{display:flex;gap:12px;max-width:86%}
.msg .av{width:34px;height:34px;border-radius:10px;flex:0 0 34px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;color:#fff}
.msg .bub{padding:13px 16px;border-radius:14px;font-size:13.5px;line-height:1.75;white-space:pre-wrap;word-break:break-word}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg.user .av{background:linear-gradient(135deg,#334155,#0f172a)}
.msg.user .bub{background:var(--grad-brand);color:#fff;border-bottom-right-radius:4px}
.msg.ai .av{background:var(--grad-brand)}
.msg.ai .bub{background:#f4f7fc;color:var(--ink-1);border:1px solid var(--line-2);border-bottom-left-radius:4px}
.msg .refs{margin-top:10px;border-top:1px dashed #d3ddec;padding-top:9px}
.msg .refs .rt{font-size:11px;font-weight:800;color:var(--ink-3);margin-bottom:6px;letter-spacing:.5px}
.ref-chip{display:block;font-size:12px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:8px;padding:7px 10px;margin-bottom:6px;line-height:1.55}
.ref-chip b{color:var(--brand)}
/* AI 回答 Markdown 渲染 */
.bub .md{white-space:normal}
.bub .md-h{font-size:14.5px;font-weight:800;color:var(--ink-1);margin:14px 0 7px}
.bub .md-h:first-child{margin-top:0}
.bub .md-p{margin:0 0 9px;line-height:1.8}
.bub .md-p:last-child{margin-bottom:0}
.bub .md-ul{margin:0 0 9px;padding-left:20px}
.bub .md-ul li{margin-bottom:5px;line-height:1.75}
.bub .md strong{font-weight:800;color:var(--ink-1)}
.typing-status{font-size:12px;color:var(--ink-3);margin-top:7px;font-weight:600}
.typing{display:flex;gap:4px;padding:4px 2px}
.typing i{width:7px;height:7px;border-radius:50%;background:#9db4d6;animation:blink 1.2s infinite both}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3}30%{opacity:1}}
.chat-input{border-top:1px solid var(--line);padding:14px 18px;background:#fff}
.chat-input .box{display:flex;gap:10px;align-items:flex-end}
.chat-input textarea{flex:1;border:1.5px solid var(--line);border-radius:12px;padding:11px 14px;font-family:inherit;font-size:13.5px;resize:none;max-height:140px;outline:none;line-height:1.6}
.chat-input textarea:focus{border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(45,111,224,.1)}
.suggest{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.suggest button{font-size:12.5px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:20px;padding:7px 14px;cursor:pointer;transition:.16s;font-weight:600}
.suggest button:hover{border-color:var(--brand-2);color:var(--brand);background:var(--info-bg)}
.chat-aside .card-b{font-size:12.5px;color:var(--ink-2);line-height:1.8}
.chat-aside ul{padding-left:16px;margin-top:6px}

/* ───────── History ───────── */
.hist-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;align-items:center}
.seg{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:11px;padding:4px;gap:2px}
.seg button{border:none;background:none;font-family:inherit;font-size:12.5px;font-weight:700;color:var(--ink-3);padding:8px 15px;border-radius:8px;cursor:pointer;transition:.15s}
.seg button.on{background:var(--grad-brand);color:#fff}
.hist-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.hist-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow-sm);transition:.16s;cursor:pointer;position:relative}
.hist-card:hover{border-color:var(--brand-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.hist-card .hc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}
.hist-card .hc-mod{font-size:11px;font-weight:800;padding:3px 9px;border-radius:16px}
.hist-card h5{font-size:14px;font-weight:800;line-height:1.4;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hist-card p{font-size:12.5px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6;min-height:38px}
.hist-card .hc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:11px;padding-top:10px;border-top:1px solid var(--line-2)}
.hist-card .hc-time{font-size:11.5px;color:var(--ink-4)}
.hc-del{border:none;background:none;color:var(--ink-4);cursor:pointer;font-size:15px;line-height:1;padding:2px 6px;border-radius:6px}
.hc-del:hover{background:var(--bad-bg);color:var(--bad)}

/* ───────── Modal / drawer / toast ───────── */
.overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(3px);z-index:80;display:none;align-items:center;justify-content:center;padding:20px}
.overlay.open{display:flex;animation:fade .2s}
.modal{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto}
.modal-h{padding:22px 26px 0;display:flex;align-items:flex-start;justify-content:space-between}
.modal-h h3{font-size:18px;font-weight:900}.modal-h p{font-size:12.5px;color:var(--ink-3);margin-top:4px}
.modal-b{padding:20px 26px 26px}
.modal-x{border:none;background:var(--hover);width:32px;height:32px;border-radius:9px;cursor:pointer;color:var(--ink-3);font-size:16px}
.modal-x:hover{background:var(--bad-bg);color:var(--bad)}

.drawer-ov{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:90;display:none}
.drawer-ov.open{display:block;animation:fade .2s}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(560px,94vw);background:#f7f9fc;box-shadow:var(--shadow-lg);z-index:91;transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.8,.2,1);overflow-y:auto}
.drawer.open{transform:none}
.drawer-h{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);padding:18px 24px;display:flex;align-items:center;justify-content:space-between;z-index:2}
.drawer-h h3{font-size:16px;font-weight:900}
.drawer-b{padding:22px 24px 60px}

#toastWrap{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:10px;align-items:center}
.toast{background:#0f172a;color:#fff;font-size:13px;font-weight:600;padding:12px 20px;border-radius:12px;box-shadow:var(--shadow-lg);animation:fade .25s;display:flex;gap:9px;align-items:center}
.toast.ok{background:#15803d}.toast.err{background:#b91c1c}

.skel{background:linear-gradient(90deg,#eef2f7 25%,#f6f8fb 50%,#eef2f7 75%);background-size:200% 100%;animation:sh 1.3s infinite;border-radius:8px}
@keyframes sh{to{background-position:-200% 0}}

@media(max-width:1080px){.kpi-grid{grid-template-columns:repeat(2,1fr)}.mod-grid{grid-template-columns:repeat(2,1fr)}.dim-grid{grid-template-columns:1fr}}
@media(max-width:760px){
  :root{--sidebar-w:0px}
  .sidebar{transform:translateX(-100%);transition:transform .3s}.sidebar.open{transform:none}
  .main{margin-left:0}.mod-grid{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(2,1fr)}
  .content{padding:20px 16px 50px}.menu-btn{display:flex!important}
}
.menu-btn{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;margin-right:12px}