:root{
  --bg:#f6f7fb; --panel:#ffffff; --ink:#161826; --muted:#6d7085;
  --line:#e6e8f0; --accent:#4f46e5; --accent-2:#eef0ff; --accent-3:#7c3aed;
  --warn:#946200; --danger:#b42318; --chip:#f1f2f7; --ok:#0f7b58;
  --shadow:0 1px 2px rgba(16,18,40,.05),0 8px 24px rgba(16,18,40,.06);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(900px 420px at 12% -10%, #eef0ff 0%, rgba(238,240,255,0) 60%),
    radial-gradient(760px 380px at 96% 0%, #f5ecff 0%, rgba(245,236,255,0) 55%),
    var(--bg);
  color:var(--ink);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
h1,h2,h3{letter-spacing:-.01em}
button{font:inherit;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:8px 14px;transition:.15s}
button:hover{border-color:#cdd2e6;box-shadow:0 1px 4px rgba(16,18,40,.06)}
button.primary{background:linear-gradient(135deg,var(--accent),var(--accent-3));border:none;color:#fff;box-shadow:0 4px 14px rgba(79,70,229,.28)}
button.primary:hover{filter:brightness(1.05)}
button.ghost{background:transparent;border-color:transparent;color:var(--muted)}
button.ghost:hover{background:#f1f2f7;color:var(--ink);box-shadow:none}
button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
input,select,textarea{font:inherit;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:#fff;width:100%;transition:.15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:#b8baf5;box-shadow:0 0 0 3px rgba(79,70,229,.12)}
textarea{resize:vertical;min-height:120px}

/* header */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 22px;
  background:rgba(255,255,255,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:5}
.brand{display:flex;gap:11px;align-items:center;cursor:pointer;border:none;background:transparent;padding:4px 6px;border-radius:12px}
.brand:hover{background:#f3f4fb;box-shadow:none}
.logo{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--accent-3));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;letter-spacing:.4px;flex:none}
.brand-name{font-weight:700;font-size:15px;white-space:nowrap}
.brand-sub{color:var(--muted);font-size:11.5px;white-space:nowrap}
.brand{flex:none}
.top-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.auth-badge{font-size:12px;color:var(--muted);white-space:nowrap}

/* layout */
main{padding:22px;max-width:1280px;margin:0 auto}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 10px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}
.grid{display:grid;grid-template-columns:250px minmax(0,1fr) 260px;gap:16px;align-items:start}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--chip);border-radius:999px;padding:3px 10px;font-size:12px;color:#4c4f63;white-space:nowrap}
.chip.ok{background:#e7f6ef;color:var(--ok)}
.chip.warn{background:#fdf2dc;color:var(--warn)}
.chip.bad{background:#fde8e6;color:var(--danger)}

/* projects */
.projects{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}
.project-card{cursor:pointer;transition:.16s;position:relative}
.project-card:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(16,18,40,.10);border-color:#d6d9ec}
.project-card h2{margin:0 0 6px;font-size:17px;line-height:1.35}
.project-card .toolbar{margin-bottom:0;gap:6px}

/* tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:0 0 16px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{padding:9px 14px;border-radius:10px 10px 0 0;border:1px solid transparent;border-bottom:none;background:transparent;color:var(--muted);white-space:nowrap;flex:none}
.tab:hover{box-shadow:none;color:var(--ink)}
.tab.active{background:#fff;border-color:var(--line);color:var(--accent);font-weight:600;margin-bottom:-1px;box-shadow:none}

/* tree */
.tree-item{display:flex;justify-content:space-between;gap:8px;padding:9px 10px;border-radius:10px;cursor:pointer;align-items:center;transition:.12s}
.tree-item:hover{background:#f4f5fa}
.tree-item.active{background:var(--accent-2);color:var(--accent);font-weight:600}
.tree-item .cnt{font-size:11px;color:var(--muted)}
.tree-item.active .cnt{color:var(--accent)}

/* document */
.doc-body{white-space:pre-wrap;font:16px/1.72 Georgia,"Times New Roman",serif;background:#fff;
  border:1px solid #eef0f6;border-radius:12px;padding:24px 28px;max-height:64vh;overflow:auto}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0;align-items:center}
.list-row{display:flex;justify-content:space-between;gap:12px;padding:12px 2px;border-bottom:1px solid #f1f2f7;align-items:flex-start}
.list-row:last-child{border-bottom:none}
.vnum{font-weight:700;color:var(--accent);min-width:38px;display:inline-block}
.message{font-weight:500}
.meta{color:var(--muted);font-size:12px;line-height:1.5}
.stat{display:flex;justify-content:space-between;gap:8px;padding:7px 0;border-bottom:1px dashed #eef0f6;align-items:center}
.stat:last-child{border-bottom:none}

/* reviews */
.remark{border-left:3px solid var(--line);padding:6px 0 6px 11px;margin:9px 0}
.remark.open{border-color:#e0a83c}
.remark.closed{border-color:#42a584}
.remark.rejected{border-color:#cfd2dd;opacity:.6}
.remark .acts{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}
.remark .acts button{padding:3px 9px;font-size:12px}

/* diff */
.diff{font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:12px;max-height:60vh;overflow:auto;white-space:pre-wrap}
.diff .add{background:#e9f7ee;color:#17603b;display:block}
.diff .del{background:#fdeceb;color:#8a2b22;display:block}
.diff .eq{color:#555a6e;display:block}

/* modal / toast */
.modal{position:fixed;inset:0;background:rgba(18,20,38,.45);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:20}
.modal.hidden,.toast.hidden{display:none}
.modal-box{background:#fff;border-radius:18px;max-width:840px;width:100%;padding:22px;max-height:90vh;overflow:auto;box-shadow:0 24px 60px rgba(16,18,40,.25)}
.modal-box h2{margin:0 0 14px;font-size:19px}
.field{margin-bottom:12px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:500}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#161826;color:#fff;padding:11px 18px;border-radius:12px;z-index:30;font-size:13px;box-shadow:0 12px 30px rgba(16,18,40,.28);max-width:90vw}
.login{max-width:400px;margin:12vh auto}
.editor{min-height:360px;font:14px/1.65 ui-monospace,Menlo,monospace}
.hero{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.hero h1{margin:0 0 4px}

/* mobile */
@media (max-width:980px){
  .grid{grid-template-columns:1fr}
  .right{order:3}
  main{padding:16px}
}
@media (max-width:720px){
  body{font-size:15px}
  .topbar{padding:8px 12px;flex-wrap:wrap;gap:8px}
  .brand-sub{display:none}
  .brand-name{font-size:14px}
  .logo{width:32px;height:32px;border-radius:10px}
  .top-right{width:100%;justify-content:space-between}
  .top-right select{min-width:0!important;width:100%}
  main{padding:12px}
  .card{border-radius:14px;padding:14px}
  .hero h1{font-size:18px}
  .projects{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .doc-body{font-size:15px;line-height:1.68;padding:16px;max-height:none;border-radius:10px}
  .modal{padding:0;align-items:flex-end}
  .modal-box{max-height:94vh;border-radius:18px 18px 0 0;padding:18px 16px}
  .editor{min-height:46vh}
  .toolbar button{flex:1 1 auto}
  .list-row{flex-direction:column}
  .diff{max-height:none;font-size:12px}
  .tab{padding:9px 12px}
  .login{margin:6vh auto}
}

/* --- P0: шаги работы, пустые состояния --- */
.stepper{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin-bottom:14px}
.stepper .step{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.stepper .step .dot{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px;background:#eef1f7;color:#5a6478;font-weight:600}
.stepper .step.done{color:var(--text)}
.stepper .step.done .dot{background:#e3f5ea;color:#1a7f4b}
.stepper .step.now .dot{background:var(--accent);color:#fff;box-shadow:0 0 0 4px rgba(79,70,229,.12)}
.stepper .step.now{color:var(--text);font-weight:600}
.stepper .step-next{flex:1 1 260px;display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.step-next .muted{flex:1 1 180px}
.empty-state{padding:6px 0}
.empty-state p{max-width:60ch}
.steps-help{margin:10px 0 16px;padding-left:22px;color:var(--muted);font-size:14px;line-height:1.7}
.steps-help b{color:var(--text)}
.invite-out input{flex:1 1 auto;min-width:0}
@media (max-width:720px){
  .stepper{padding:10px 12px;gap:8px 14px}
  .stepper .step .lbl{font-size:12px}
  .stepper .step-next{justify-content:flex-start}
  .stepper .step-next .muted{flex:1 1 100%}
  .stepper .step-next button,.stepper .step-next a{width:100%}
  .step-next a button{width:100%}
}

/* Проверка текста (P1) */
.ai-card h3{margin-bottom:6px}
.ai-sum{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:12px 0}
.ai-list{display:flex;flex-direction:column;gap:8px}
.ai-item{border-left:3px solid var(--line);background:#fbfcfe;border-radius:10px;padding:10px 12px}
.ai-item.sev-critical{border-left-color:var(--danger);background:#fdf3f2}
.ai-item.sev-major{border-left-color:#d68910;background:#fdf9f0}
.ai-item.sev-minor{border-left-color:#9aa5b1}
.ai-sev{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.ai-txt{font-size:14px;margin-top:3px;line-height:1.45}
.ai-quote{margin-top:6px;font-size:13px;color:#55607a;border-left:2px solid #d6dbe6;padding-left:10px;font-style:italic}
.ai-card .row2{display:grid;grid-template-columns:1fr auto;gap:8px}
@media (max-width:720px){
  .ai-card .row2{grid-template-columns:1fr}
  .ai-card .row2 button{width:100%}
}

.wallet-card .wallet-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.wallet-card .row2{display:grid;grid-template-columns:1fr auto;gap:8px}
.wal-ops{margin-top:10px;border-top:1px solid #eef1f7;padding-top:8px}
.wal-op{display:flex;justify-content:space-between;gap:10px;font-size:12px;padding:3px 0}
.wal-op .pos{color:#0a7f4b;font-weight:600}
@media (max-width:720px){
  .wallet-card .row2{grid-template-columns:1fr}
  .wallet-card .row2 button{width:100%}
}