@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&family=Unbounded:wght@600;800&display=swap');

/* ============================================================
   SOTUVCHILAR AI — "kalibrlangan asbob"
   Qoida: xromatik rang FAQAT o'lchov ma'nosini tashiydi.
   Navigatsiya, tugmalar, chrome — grafit va qog'oz.
   ============================================================ */
:root{
  --bg:#E5E6E1; --surface:#EFF0EC; --surface-2:#DBDDD7; --surface-3:#CFD2CB;
  --ink:#14181B; --ink-2:#4B535A; --ink-3:#798188;
  --rule:#C7CAC3; --rule-2:#B4B8B0;
  --low:#B93A2B; --mid:#A87908; --good:#2C7554; --high:#2A51B4;
  --low-w:#F1DBD7; --mid-w:#F0E5C9; --good-w:#D8E9E0; --high-w:#DAE1F4;
  --cockpit:#0E1215; --cockpit-2:#161C21; --cockpit-3:#1E262C;
  --c-ink:#E8EBE7; --c-ink-2:#98A3A9; --c-rule:#283137;
  --focus:#2A51B4;
  --sans:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --disp:"Unbounded","IBM Plex Sans",sans-serif;
  --r:10px; --rs:7px;
  --sh:0 1px 0 rgba(20,24,27,.04), 0 1px 3px rgba(20,24,27,.06);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0E1215; --surface:#161C21; --surface-2:#1D252A; --surface-3:#242D34;
    --ink:#E8EBE7; --ink-2:#9BA6AC; --ink-3:#6E787E;
    --rule:#283137; --rule-2:#354048;
    --low:#E0755F; --mid:#D6A631; --good:#4EA37C; --high:#7191E8;
    --low-w:#2E1D1A; --mid-w:#2C2416; --good-w:#152720; --high-w:#181F31;
    --focus:#7191E8; --sh:0 1px 0 rgba(0,0,0,.3), 0 1px 3px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#0E1215; --surface:#161C21; --surface-2:#1D252A; --surface-3:#242D34;
  --ink:#E8EBE7; --ink-2:#9BA6AC; --ink-3:#6E787E;
  --rule:#283137; --rule-2:#354048;
  --low:#E0755F; --mid:#D6A631; --good:#4EA37C; --high:#7191E8;
  --low-w:#2E1D1A; --mid-w:#2C2416; --good-w:#152720; --high-w:#181F31;
  --focus:#7191E8; --sh:0 1px 0 rgba(0,0,0,.3), 0 1px 3px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;text-wrap:balance;font-weight:600}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:3px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- utility type ---------- */
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3)}
.disp{font-family:var(--disp);font-weight:600;letter-spacing:-.02em}
.muted{color:var(--ink-2)}
.dim{color:var(--ink-3)}
.small{font-size:13px}
.xs{font-size:12px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid var(--ink);background:var(--ink);color:var(--bg);
  padding:9px 16px;border-radius:var(--rs);font-weight:600;font-size:14px;
  cursor:pointer;transition:transform .12s ease,opacity .12s ease}
.btn:hover{opacity:.86}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--rule-2)}
.btn.ghost:hover{background:var(--surface-2);opacity:1}
.btn.quiet{background:transparent;border-color:transparent;color:var(--ink-2);padding:7px 10px}
.btn.quiet:hover{background:var(--surface-2);color:var(--ink);opacity:1}
.btn.sm{padding:6px 11px;font-size:13px}
.btn.lg{padding:13px 22px;font-size:15px}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ---------- surfaces ---------- */
.card{background:var(--surface);border:1px solid var(--rule);border-radius:var(--r);box-shadow:var(--sh)}
.pad{padding:20px}
.pad-l{padding:26px}
.row{display:flex;align-items:center;gap:12px}
.between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.grid{display:grid;gap:16px}
.stack{display:flex;flex-direction:column}
hr.rule{border:0;border-top:1px solid var(--rule);margin:0}

/* ---------- app shell ---------- */
#app{min-height:100vh}
.shell{display:grid;grid-template-columns:238px 1fr;min-height:100vh}
.rail{background:var(--cockpit);color:var(--c-ink);display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;border-right:1px solid var(--c-rule)}
.brand{padding:20px 18px 16px;display:flex;flex-direction:column;gap:2px;border-bottom:1px solid var(--c-rule)}
.brand b{font-family:var(--disp);font-weight:800;font-size:16px;letter-spacing:-.03em}
.brand span{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-ink-2)}
.nav{padding:12px 10px;display:flex;flex-direction:column;gap:1px;overflow-y:auto;flex:1}
.nav-h{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:#5C666C;padding:14px 10px 6px}
.nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--rs);
  text-decoration:none;color:var(--c-ink-2);font-size:14px;cursor:pointer;
  border:1px solid transparent}
.nav a:hover{background:var(--cockpit-2);color:var(--c-ink)}
.nav a.on{background:var(--cockpit-3);color:#fff;border-color:#33404A}
.nav a .ico{width:16px;height:16px;flex:none;opacity:.85}
.nav a .badge{margin-left:auto;font-family:var(--mono);font-size:10px;color:#5C666C}
.rail-foot{border-top:1px solid var(--c-rule);padding:12px 14px;display:flex;flex-direction:column;gap:10px}

.topbar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--rule);padding:12px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.main{min-width:0}
.page{padding:26px;max-width:1180px;margin:0 auto}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:16px;border-bottom:1px solid var(--rule);margin-bottom:22px;flex-wrap:wrap}
.page-head h1{font-family:var(--disp);font-size:26px;font-weight:600;letter-spacing:-.03em}

/* ---------- controls ---------- */
.seg{display:inline-flex;border:1px solid var(--rule-2);border-radius:var(--rs);overflow:hidden;background:var(--surface)}
.seg button{background:transparent;border:0;padding:6px 11px;font-size:13px;cursor:pointer;color:var(--ink-2);
  font-family:var(--mono);letter-spacing:.04em}
.seg button+button{border-left:1px solid var(--rule)}
.seg button.on{background:var(--ink);color:var(--bg)}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3)}
.input,select.input,textarea.input{background:var(--surface);border:1px solid var(--rule-2);border-radius:var(--rs);
  padding:9px 11px;font-size:14px;width:100%}
textarea.input{resize:vertical;line-height:1.6}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--rule-2);background:var(--surface);border-radius:999px;padding:6px 13px;
  font-size:13px;cursor:pointer;transition:.12s}
.chip:hover{border-color:var(--ink-3)}
.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.pick{border:1px solid var(--rule-2);background:var(--surface);border-radius:var(--r);padding:13px 15px;
  cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:3px;transition:.12s}
.pick:hover{border-color:var(--ink-3)}
.pick.on{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.pick b{font-size:14px;font-weight:600}
.pick span{font-size:12.5px;color:var(--ink-2);line-height:1.45}

/* ---------- measurement primitives (rang faqat shu yerda) ---------- */
.score{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:-.02em}
.s-low{color:var(--low)} .s-mid{color:var(--mid)} .s-good{color:var(--good)} .s-high{color:var(--high)}
.bg-low{background:var(--low)} .bg-mid{background:var(--mid)} .bg-good{background:var(--good)} .bg-high{background:var(--high)}
.w-low{background:var(--low-w)} .w-mid{background:var(--mid-w)} .w-good{background:var(--good-w)} .w-high{background:var(--high-w)}
.tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;
  letter-spacing:.05em;padding:3px 8px;border-radius:4px;border:1px solid transparent}
.tag.low{background:var(--low-w);color:var(--low);border-color:color-mix(in srgb,var(--low) 30%,transparent)}
.tag.mid{background:var(--mid-w);color:var(--mid);border-color:color-mix(in srgb,var(--mid) 30%,transparent)}
.tag.good{background:var(--good-w);color:var(--good);border-color:color-mix(in srgb,var(--good) 30%,transparent)}
.tag.high{background:var(--high-w);color:var(--high);border-color:color-mix(in srgb,var(--high) 30%,transparent)}
.tag.n{background:var(--surface-2);color:var(--ink-2);border-color:var(--rule)}

.meter{height:7px;background:var(--surface-3);border-radius:2px;overflow:hidden}
.meter i{display:block;height:100%;border-radius:2px;transition:width .6s cubic-bezier(.2,.7,.3,1)}
.crit{display:grid;grid-template-columns:1fr 130px 52px;gap:12px;align-items:center;padding:9px 0}
.crit+.crit{border-top:1px solid var(--rule)}
.crit .nm{font-size:13.5px}
.crit .vl{font-family:var(--mono);font-size:13px;text-align:right;font-variant-numeric:tabular-nums}

/* ---------- SIGNATURE: suhbat tasmasi (turn ribbon) ---------- */
.ribbon{display:flex;gap:3px;align-items:flex-end;height:42px;padding:0 0 5px;border-bottom:1px solid var(--rule-2)}
.ribbon button{flex:1;min-width:3px;border:0;padding:0;cursor:pointer;border-radius:1px;
  background:var(--surface-3);height:38%;transition:height .3s ease,opacity .15s;position:relative}
.ribbon button:hover{opacity:.72}
.ribbon button[data-k="q"]{background:var(--good);height:100%}
.ribbon button[data-k="ok"]{background:var(--ink-3);height:58%}
.ribbon button[data-k="thin"]{background:var(--mid);height:38%}
.ribbon button[data-k="price"]{background:var(--low);height:100%}
.ribbon button[data-k="client"]{background:var(--rule-2);height:26%;flex:.5}
.ribbon-legend{display:flex;flex-wrap:wrap;gap:14px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.06em;color:var(--ink-3);text-transform:uppercase}
.ribbon-legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px;vertical-align:-1px}

/* ---------- cockpit (mashq ekrani — har ikki temada grafit) ---------- */
.cockpit{background:var(--cockpit);color:var(--c-ink);height:100vh;display:flex;flex-direction:column;overflow:hidden}
.ck-bar{display:flex;align-items:center;gap:16px;padding:12px 20px;border-bottom:1px solid var(--c-rule);
  flex-wrap:wrap;position:sticky;top:0;background:var(--cockpit);z-index:5}
.ck-bar .sep{width:1px;height:22px;background:var(--c-rule)}
.gauge{display:flex;gap:3px;align-items:center}
.gauge i{width:16px;height:8px;border-radius:1px;background:var(--c-rule)}
.gauge i.lit{background:var(--good)}
.gauge.warn i.lit{background:var(--mid)}
.gauge.crit i.lit{background:var(--low)}
.ck-body{flex:1 1 auto;display:grid;grid-template-columns:1fr 300px;min-height:0;overflow:hidden}
.thread{flex:1 1 auto;padding:24px 20px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:14px;
  max-width:820px;margin:0 auto;width:100%;min-height:0}
.msg{max-width:78%;padding:11px 14px;border-radius:12px;font-size:14.5px;line-height:1.55;white-space:pre-wrap}
.msg.client{background:var(--cockpit-2);border:1px solid var(--c-rule);align-self:flex-start;border-bottom-left-radius:4px}
.msg.me{background:#E8EBE7;color:#14181B;align-self:flex-end;border-bottom-right-radius:4px}
.msg.sys{align-self:center;background:transparent;border:1px dashed var(--c-rule);color:var(--c-ink-2);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;border-radius:6px;padding:6px 12px}
.msg .stamp{display:block;font-family:var(--mono);font-size:10px;color:var(--c-ink-2);margin-top:5px;letter-spacing:.05em}
.msg.me .stamp{color:#6E767C}
.msg.flash{animation:flash 1.4s ease}
@keyframes flash{0%,100%{box-shadow:0 0 0 0 transparent}20%,60%{box-shadow:0 0 0 2px var(--mid)}}
.caret{display:inline-block;width:7px;height:15px;background:var(--c-ink-2);vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.ck-side{border-left:1px solid var(--c-rule);padding:18px;display:flex;flex-direction:column;gap:18px;overflow-y:auto}
.ck-side .ribbon{border-bottom-color:var(--c-rule)}
.ck-side .ribbon button[data-k="client"]{background:#39444C}
.ck-side .ribbon button[data-k="ok"]{background:#7A858B}
.ck-side h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#5C666C}
.ck-side .fact{display:flex;justify-content:space-between;gap:10px;font-size:13px;padding:5px 0;border-bottom:1px solid var(--c-rule)}
.ck-side .fact span{color:var(--c-ink-2)}
.composer{border-top:1px solid var(--c-rule);padding:14px 20px 18px;background:var(--cockpit)}
.composer-in{max-width:820px;margin:0 auto;display:flex;gap:10px;align-items:flex-end}
.composer textarea{flex:1;background:var(--cockpit-2);border:1px solid var(--c-rule);color:var(--c-ink);
  border-radius:10px;padding:11px 13px;resize:none;font-size:14.5px;line-height:1.5;max-height:140px}
.composer textarea::placeholder{color:#5C666C}
.btn-c{background:var(--c-ink);color:var(--cockpit);border:1px solid var(--c-ink)}
.btn-cg{background:transparent;color:var(--c-ink);border:1px solid var(--c-rule)}
.btn-cg:hover{background:var(--cockpit-2);opacity:1}

/* ---------- tables ---------- */
.tw{overflow-x:auto;border:1px solid var(--rule);border-radius:var(--r);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:13.5px;min-width:640px}
th{font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);
  text-align:left;padding:11px 14px;border-bottom:1px solid var(--rule);font-weight:500;white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid var(--rule);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--surface-2)}
td.num{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right}

/* ---------- landing ---------- */
.lp{max-width:1120px;margin:0 auto;padding:0 26px}
.lp-nav{display:flex;align-items:center;justify-content:space-between;padding:20px 0;gap:16px}
.hero{padding:52px 0 46px;border-bottom:1px solid var(--rule)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:32px}}
.hero h1{font-family:var(--disp);font-weight:600;font-size:clamp(29px,4.1vw,45px);line-height:1.06;letter-spacing:-.045em;max-width:15ch}
.hero p.lede{font-size:17px;color:var(--ink-2);max-width:56ch;margin-top:20px;line-height:1.6}
.demo{border:1px solid var(--rule);border-radius:var(--r);background:var(--surface);overflow:hidden}
.demo-h{display:flex;align-items:center;justify-content:space-between;padding:11px 15px;border-bottom:1px solid var(--rule);gap:12px;flex-wrap:wrap}
.lp-sec{padding:52px 0;border-bottom:1px solid var(--rule)}
.lp-sec h2{font-family:var(--disp);font-size:clamp(21px,3vw,30px);font-weight:600;letter-spacing:-.03em;max-width:20ch}
.four{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:var(--r);overflow:hidden}
.four>div{background:var(--surface);padding:20px}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.plan{border:1px solid var(--rule);border-radius:var(--r);background:var(--surface);padding:20px;display:flex;flex-direction:column;gap:12px}
.plan.mark{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.plan ul{margin:0;padding-left:17px;font-size:13px;color:var(--ink-2);line-height:1.75}
.foot{padding:36px 0 48px;color:var(--ink-3);font-size:13px}

/* ---------- misc ---------- */
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:13.5px}
.kv dt{color:var(--ink-3);font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;padding-top:3px}
.kv dd{margin:0}
.quote{border-left:2px solid var(--rule-2);padding:2px 0 2px 12px;font-size:14px;line-height:1.55}
.mistake{border:1px solid var(--rule);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.mistake .mh{padding:11px 15px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--rule);flex-wrap:wrap}
.mistake .mb{padding:15px;display:flex;flex-direction:column;gap:12px}
.spark{display:block;width:100%;height:44px}
.dots{display:flex;gap:5px;align-items:center}
.dots i{width:7px;height:7px;border-radius:50%;background:var(--ink-3);opacity:.35;animation:bob 1.1s infinite}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes bob{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:.9;transform:translateY(-3px)}}
.bar-h{display:flex;align-items:flex-end;gap:4px;height:72px}
.bar-h i{flex:1;border-radius:2px 2px 0 0;background:var(--surface-3);min-height:3px;position:relative}
.wrap-2{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.step-dots{display:flex;gap:5px}
.step-dots i{width:22px;height:3px;border-radius:2px;background:var(--surface-3)}
.step-dots i.on{background:var(--ink)}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(8px);opacity:0;
  background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:13.5px;
  z-index:99;transition:.22s;pointer-events:none;box-shadow:0 6px 24px rgba(0,0,0,.2)}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.mask{background:var(--surface-3);border-radius:3px;padding:0 4px;font-family:var(--mono);font-size:12.5px}

@media (max-width:940px){
  .shell{grid-template-columns:1fr}
  .rail{position:fixed;inset:0 auto 0 0;width:238px;transform:translateX(-100%);transition:transform .2s;z-index:60}
  .rail.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.4)}
  .ck-body{grid-template-columns:1fr}
  .ck-side{display:none}
  .four,.plans,.g3,.g4{grid-template-columns:repeat(2,1fr)}
  .wrap-2{grid-template-columns:1fr}
  .page,.topbar{padding-left:16px;padding-right:16px}
}
@media (max-width:600px){
  .four,.plans,.g2,.g3,.g4{grid-template-columns:1fr}
  .g4.m2,.g2.m2{grid-template-columns:1fr 1fr}
  .msg{max-width:90%}
  .crit{grid-template-columns:1fr 80px 46px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
.menu-btn{display:none}
@media (max-width:940px){.menu-btn{display:inline-flex}}