:root{
  --bg:#f6f7f9; --panel:#fff; --ink:#0e1116; --muted:#667085; --faint:#98a2b3;
  --line:#e7e9ee; --line-strong:#d7dae1;
  --accent:#4f46e5; --accent-ink:#3730a3; --accent-soft:#eef0fe;
  --ok:#16a34a; --ok-soft:#e9f7ef; --warn:#b45309; --warn-soft:#fbf0e1; --bad:#dc2626; --bad-soft:#fdecea;
  --radius:10px; --radius-lg:14px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 10px 30px rgba(16,24,40,.10),0 2px 8px rgba(16,24,40,.06);
  --maxw:1180px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);
  font:15px/1.55 "Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;display:flex;flex-direction:column;letter-spacing:-0.006em}

/* Top bar */
.topbar{display:flex;align-items:center;gap:16px;padding:13px 22px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{font-weight:600;letter-spacing:-0.02em;display:flex;align-items:center;gap:9px;font-size:15px}
.brand .dot{width:18px;height:18px;border-radius:6px;background:var(--accent);position:relative;flex:none}
.brand .dot::after{content:"";position:absolute;inset:5px;border-radius:2px;background:#fff;opacity:.9}
.brand b{font-weight:700}
.biz{color:var(--muted);font-size:13.5px;border-left:1px solid var(--line);padding-left:16px}
.spacer{flex:1}
.savestate{font-size:12px;color:var(--ok);min-width:74px;text-align:right;font-weight:500}
.btn{font:inherit;font-weight:500;border:1px solid var(--line-strong);background:var(--panel);color:var(--ink);padding:8px 14px;border-radius:var(--radius);cursor:pointer;transition:.14s;display:inline-flex;align-items:center;gap:7px;line-height:1}
.btn:hover{border-color:var(--line-strong);background:#fafbfc;color:var(--ink)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 1px 2px rgba(79,70,229,.25)}
.btn.primary:hover{background:#443dd1;color:#fff}
.btn.primary:disabled{background:#c9cbe8;border-color:#c9cbe8;color:#fff;cursor:not-allowed;box-shadow:none}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn.ghost:hover{background:#f1f2f5;color:var(--ink)}

/* Stepper */
.stepper{display:flex;gap:7px;padding:12px 22px;background:var(--panel);border-bottom:1px solid var(--line);overflow-x:auto}
.stepper::-webkit-scrollbar{height:0}
.step-chip{display:flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;white-space:nowrap;font-size:13px;font-weight:500;color:var(--muted);transition:.14s}
.step-chip:hover{border-color:var(--line-strong);color:var(--ink)}
.step-chip .n{width:19px;height:19px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:600;background:#eef0f3;color:var(--muted)}
.step-chip.active{border-color:var(--accent);color:var(--ink);background:var(--accent-soft)}
.step-chip.active .n{background:var(--accent);color:#fff}
.step-chip.done{color:var(--ink)}
.step-chip.done .n{background:var(--ok);color:#fff}
.step-chip.done .n span{display:none}
.step-chip.done .n::after{content:"✓";font-size:11px}

/* Layout */
.layout{flex:1;display:grid;grid-template-columns:216px minmax(0,1fr) 344px;gap:18px;padding:20px;max-width:1320px;width:100%;margin:0 auto;min-height:0;align-items:start}
@media(max-width:1080px){.layout{grid-template-columns:200px minmax(0,1fr)}.chat{grid-column:1/-1;position:static;max-height:none}}
@media(max-width:640px){.layout{grid-template-columns:1fr}}

/* Sidebar nav */
.sidenav{padding:12px 10px;position:sticky;top:78px;max-height:calc(100vh - 96px);overflow:auto}
@media(max-width:640px){.sidenav{position:static;max-height:none}}
.nav-group{margin-bottom:14px}
.nav-title{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);padding:6px 10px 4px}
.nav-item{display:flex;align-items:center;gap:9px;width:100%;text-align:left;border:none;background:none;padding:7px 10px;border-radius:8px;cursor:pointer;font:inherit;font-size:13.5px;color:var(--ink);transition:.12s}
.nav-item:hover{background:#f1f2f5}
.nav-item.active{background:var(--accent-soft);color:var(--accent-ink);font-weight:500}
.nav-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-dot{width:19px;height:19px;flex:none;border-radius:50%;display:grid;place-items:center;font-size:10.5px;font-weight:600;background:#eef0f3;color:var(--muted)}
.nav-item.active .nav-dot{background:#fff;color:var(--accent)}
.nav-dot.done{background:var(--ok);color:#fff}

/* Outputs */
.out-actions{display:flex;gap:9px;margin:6px 0 16px;flex-wrap:wrap}
.doc-preview{border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 26px;background:#fcfcfd;font-size:14px;line-height:1.6;max-height:60vh;overflow:auto}
.doc-preview .dp-h1{font-size:15px;font-weight:700;letter-spacing:-0.01em;margin:18px 0 8px;color:var(--ink)}
.doc-preview .dp-h2{font-size:13.5px;font-weight:600;color:var(--accent);margin:14px 0 4px}
.doc-preview .dp-quote{color:var(--muted);font-size:12.5px;margin:0 0 8px}
.doc-preview p{margin:3px 0}
.doc-preview .dp-li{margin:2px 0}
.doc-preview .dp-li2{margin:2px 0 2px 16px;color:var(--muted)}
.doc-preview hr{border:none;border-top:1px solid var(--line);margin:16px 0}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.work{padding:30px 34px;overflow:auto}

/* Step content */
.kicker{font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--accent);text-transform:none}
.work h2{font-size:24px;line-height:1.2;letter-spacing:-0.025em;font-weight:600;margin:6px 0 8px}
.intro{color:var(--muted);margin:0 0 22px;max-width:62ch;font-size:14.5px;line-height:1.6}
.field{margin:18px 0}
.field label{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:500;color:var(--ink);margin-bottom:7px}
textarea,input[type=text],input[type=password]{width:100%;border:1px solid var(--line-strong);border-radius:var(--radius);padding:11px 13px;font:inherit;color:var(--ink);background:#fff;resize:none;overflow:hidden;transition:.14s}
textarea::placeholder,input::placeholder{color:var(--faint)}
textarea:focus,input[type=text]:focus,input[type=password]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3.5px var(--accent-soft)}
.badge{font-size:11px;font-weight:600;padding:2px 9px;border-radius:999px;letter-spacing:0}
.badge.guess{background:var(--warn-soft);color:var(--warn)}
.badge.medium{background:var(--accent-soft);color:var(--accent-ink)}
.badge.high{background:var(--ok-soft);color:var(--ok)}
.badge.needs-input{background:var(--bad-soft);color:var(--bad)}
.fieldhint{font-size:12px;color:var(--faint);margin-top:6px}
.askbtn{margin-top:9px;font-size:12.5px;font-weight:500;background:#fff;border:1px solid var(--line);color:var(--accent);padding:6px 11px;border-radius:8px;cursor:pointer;transition:.14s}
.askbtn:hover{border-color:var(--accent);background:var(--accent-soft)}
.navrow{display:flex;justify-content:space-between;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}

/* Intake / inputs */
.dropzone{border:1.5px dashed var(--line-strong);border-radius:var(--radius-lg);padding:30px 20px;text-align:center;color:var(--muted);transition:.14s;background:#fcfcfd}
.dropzone.over{border-color:var(--accent);background:var(--accent-soft)}
.dropzone b{color:var(--ink);font-weight:600}
.dz-icon{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:11px;background:var(--accent-soft);color:var(--accent);font-style:normal;font-size:20px;margin-bottom:10px}
.linkbtn{background:none;border:none;color:var(--accent);font:inherit;font-weight:500;cursor:pointer;padding:0;text-decoration:underline}
.urlrow{display:flex;gap:9px;margin:14px 0 6px}
.urlrow input{flex:1}
.sourcelist{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.source{display:flex;align-items:center;gap:11px;border:1px solid var(--line);border-radius:var(--radius);padding:10px 13px;font-size:13.5px;background:#fff}
.src-ico{font-size:15px}
.src-name{flex:1;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.src-meta{color:var(--faint);font-size:12px;white-space:nowrap}
.src-x{border:none;background:none;color:var(--faint);cursor:pointer;font-size:14px;padding:2px 4px;border-radius:6px}
.src-x:hover{color:var(--bad);background:var(--bad-soft)}

/* Chat */
.chat{display:flex;flex-direction:column;min-height:0;max-height:calc(100vh - 96px);position:sticky;top:78px}
.chat-head{padding:15px 17px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:3px}
.chat-head strong{font-weight:600;font-size:14px}
.chat-head .muted{font-size:12px;color:var(--muted)}
.chat-log{flex:1;overflow:auto;padding:16px 17px;display:flex;flex-direction:column;gap:11px}
.msg{max-width:90%;padding:10px 13px;border-radius:13px;font-size:13.5px;line-height:1.55;white-space:pre-wrap}
.msg.ai{background:#f4f5f7;align-self:flex-start;border-bottom-left-radius:4px}
.msg.user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.msg.sys{background:var(--warn-soft);color:var(--warn);align-self:center;font-size:12.5px;text-align:center;border-radius:9px}
.chat-form{display:flex;gap:8px;padding:13px 15px;border-top:1px solid var(--line)}
.chat-form textarea{flex:1}
.suggest{align-self:stretch;border:1px solid var(--accent);border-radius:12px;background:var(--accent-soft);padding:11px 12px;display:flex;flex-direction:column;gap:8px}
.suggest-head{font-size:11.5px;color:var(--accent-ink);font-weight:600}
.suggest-val{font-size:13px;line-height:1.5;color:var(--ink);background:#fff;border:1px solid #dcdcfb;border-radius:8px;padding:8px 10px;white-space:pre-wrap;max-height:170px;overflow:auto}
.suggest-actions{display:flex;gap:7px;align-items:center}
.btn.sm{padding:5px 11px;font-size:12.5px}
.applied{font-size:12.5px;font-weight:600;color:var(--ok)}

/* Outputs / review */
.derived{margin:12px 0 0}
.locknote{background:var(--accent-soft);border:1px solid #dcdcfb;color:var(--accent-ink);padding:12px 15px;border-radius:11px;font-size:13.5px;margin:10px 0 20px;line-height:1.5}

/* Login gate */
.login-overlay{position:fixed;inset:0;background:rgba(14,17,22,.5);backdrop-filter:blur(6px);display:grid;place-items:center;z-index:100;padding:20px}
.login-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:32px 32px 28px;width:100%;max-width:390px;display:flex;flex-direction:column;gap:12px}
.login-brand{font-weight:600;letter-spacing:-0.02em;display:flex;align-items:center;gap:9px}
.login-brand .dot{width:18px;height:18px;border-radius:6px;background:var(--accent);position:relative}
.login-brand .dot::after{content:"";position:absolute;inset:5px;border-radius:2px;background:#fff;opacity:.9}
.login-brand b{font-weight:700}
.login-card h2{margin:10px 0 0;font-size:21px;letter-spacing:-0.02em;font-weight:600}
.login-card .muted{color:var(--muted);font-size:13.5px;margin:0 0 6px}
.login-err{color:var(--bad);font-size:13px;min-height:17px}
.login-card .btn.primary{justify-content:center;padding:11px}

/* Admin dashboard */
.dash{max-width:var(--maxw);width:100%;margin:0 auto;padding:30px 22px 60px}
.muted2{color:var(--muted);font-size:13px}
.dash-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:22px}
.dash h1{font-size:26px;letter-spacing:-0.025em;font-weight:600;margin:0 0 3px}
.spinner-wrap{color:var(--muted);padding:40px 0;font-size:14px}
.acct-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.acct-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:17px 18px;display:flex;flex-direction:column;gap:12px}
.acct-top{display:flex;align-items:center;gap:11px}
.acct-ini{width:40px;height:40px;border-radius:11px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:600;font-size:16px;flex:none}
.acct-id{flex:1;min-width:0}
.acct-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acct-menu{border:none;background:none;color:var(--faint);cursor:pointer;font-size:18px;line-height:1;padding:2px 6px;border-radius:6px}
.acct-menu:hover{background:#f1f2f5;color:var(--ink)}
.acct-meta{display:flex;align-items:center;gap:9px}
.acct-badge{font-size:11px;font-weight:600;padding:2px 9px;border-radius:999px}
.acct-badge.draft{background:var(--warn-soft);color:var(--warn)}
.acct-badge.ok{background:var(--ok-soft);color:var(--ok)}
.progress{height:6px;border-radius:999px;background:#eef0f3;overflow:hidden}
.progress div{height:100%;background:var(--accent);border-radius:999px}
.acct-actions{display:flex;gap:8px;margin-top:2px}
.acct-actions .btn{flex:1;justify-content:center}
.acct-add{border:1.5px dashed var(--line-strong);border-radius:var(--radius-lg);background:var(--panel);color:var(--muted);cursor:pointer;min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:500}
.acct-add:hover{border-color:var(--accent);color:var(--accent)}
.acct-add .plus{font-size:24px}
.empty{grid-column:1/-1;color:var(--muted);padding:24px;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--radius-lg)}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(14,17,22,.5);backdrop-filter:blur(6px);display:grid;place-items:center;z-index:100;padding:20px}
.modal-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:26px 28px;width:100%;max-width:440px}
.modal-card h2{margin:0 0 16px;font-size:20px;letter-spacing:-0.02em;font-weight:600}
.form-row{margin:12px 0}
.form-row label{display:block;font-size:12.5px;font-weight:500;color:var(--muted);margin-bottom:6px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}
.btn.danger{color:var(--bad);border-color:var(--line-strong)}
.btn.danger:hover{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:11px 18px;border-radius:11px;opacity:0;pointer-events:none;transition:.22s;font-size:13.5px;z-index:50;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1}
.spin{display:inline-block;width:13px;height:13px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px}
@keyframes sp{to{transform:rotate(360deg)}}

/* Responsive */
@media(max-width:920px){
  .chat{position:static;max-height:none}
  .chat-log{max-height:360px}
}
@media(max-width:640px){
  .topbar{flex-wrap:wrap;gap:8px 10px;padding:10px 14px}
  .biz{border-left:none;padding-left:0;order:4;width:100%;font-size:12.5px}
  .savestate{order:3}
  .layout{padding:14px;gap:14px}
  .work{padding:20px 17px}
  .work h2{font-size:21px}
  .dash{padding:20px 15px}
  .dash h1{font-size:22px}
  .dash-head{flex-wrap:wrap;gap:12px}
  .acct-grid{grid-template-columns:1fr}
  .stepper{padding:10px 14px}
  .modal-card,.login-card{padding:22px 20px}
}