:root{
  --bg:#07101f; --panel:#0d1930; --panel2:#111f3a; --text:#f5f7fb; --muted:#8fa2c2;
  --line:#203251; --blue:#4b7cff; --cyan:#45d6c7; --gold:#ffcf5c; --danger:#ff6b7a;
  --ok:#65d98b; --shadow:0 18px 50px rgba(0,0,0,.28); --radius:22px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
body{background:radial-gradient(circle at 10% -10%,rgba(75,124,255,.19),transparent 34%),radial-gradient(circle at 100% 20%,rgba(69,214,199,.10),transparent 28%),var(--bg)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.app-shell{max-width:880px;margin:auto;min-height:100vh;padding-bottom:94px}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:rgba(7,16,31,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.05)}
.brand{display:flex;align-items:center;gap:10px;background:none;border:0;color:var(--text);padding:0;text-align:left}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:900;font-size:20px;background:linear-gradient(145deg,var(--blue),var(--cyan));box-shadow:0 8px 28px rgba(75,124,255,.25)}
.brand b{display:block;letter-spacing:.12em;font-size:13px}
.brand small{display:block;color:var(--muted);font-size:9px;letter-spacing:.15em;margin-top:2px}
.top-actions{display:flex;gap:8px}
.icon-btn{width:38px;height:38px;border:1px solid var(--line);border-radius:12px;color:var(--text);background:var(--panel)}
.icon-btn.install{color:#06111e;background:var(--cyan);border-color:transparent;font-weight:900}.hidden{display:none!important}
main{padding:18px 14px 28px}
.hero{padding:22px;background:linear-gradient(140deg,rgba(75,124,255,.19),rgba(69,214,199,.08));border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);overflow:hidden;position:relative}
.hero:after{content:"N";position:absolute;right:-16px;bottom:-70px;font-size:210px;font-weight:1000;color:rgba(255,255,255,.025);pointer-events:none}
.eyebrow{color:var(--cyan);font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
h1{font-size:clamp(27px,7vw,44px);line-height:1.03;margin:7px 0 10px;letter-spacing:-.035em}
h2{font-size:20px;margin:0 0 12px}
h3{font-size:15px;margin:0}
p{color:var(--muted);line-height:1.55}
.search{display:flex;align-items:center;gap:8px;margin-top:16px;padding:4px 4px 4px 14px;background:rgba(5,12,26,.65);border:1px solid var(--line);border-radius:16px}
.search input{flex:1;min-width:0;color:var(--text);background:none;border:0;outline:0;padding:10px 0}
.search button{border:0;border-radius:12px;background:var(--blue);color:white;padding:10px 14px;font-weight:800}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:0 10px 28px rgba(0,0,0,.15)}
.card.action{min-height:138px;display:flex;flex-direction:column;justify-content:space-between;text-align:left;color:var(--text)}
.card.action button,.card.action{border:1px solid var(--line)}
.card.action strong{font-size:16px}
.card.action small{color:var(--muted);line-height:1.35}
.card-icon{width:38px;height:38px;border-radius:12px;background:rgba(75,124,255,.15);display:grid;place-items:center;color:#9fb7ff;font-weight:900}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin:22px 2px 10px}
.section-head small{color:var(--muted)}
.chip-row{display:flex;gap:8px;overflow:auto;padding-bottom:5px;scrollbar-width:none}.chip-row::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:999px;padding:8px 11px;font-size:12px}
.chip.active{background:rgba(75,124,255,.16);border-color:#385cb4;color:#cbd7ff}
.list{display:grid;gap:9px}
.item{display:flex;gap:12px;align-items:center;padding:13px;background:var(--panel);border:1px solid var(--line);border-radius:16px}
.item.grow{align-items:flex-start}
.item-main{flex:1;min-width:0}
.item-title{font-weight:800;font-size:14px}
.item-sub{color:var(--muted);font-size:11.5px;margin-top:3px}
.price{font-weight:900;color:#dbe6ff;white-space:nowrap}
.price small{display:block;font-weight:500;color:var(--muted);font-size:9px;text-align:right}
.badge{display:inline-flex;padding:4px 8px;border-radius:999px;background:rgba(69,214,199,.12);color:#75e6d9;font-size:10px;font-weight:800}
.badge.blue{background:rgba(75,124,255,.15);color:#a9bfff}
.badge.gold{background:rgba(255,207,92,.12);color:#ffdc83}
.toolbar{display:flex;gap:8px;margin:12px 0}.toolbar>*{flex:1}
.input,.textarea,.select{width:100%;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--text);padding:12px;outline:0}.textarea{min-height:104px;resize:vertical}
.btn{border:0;border-radius:14px;padding:12px 14px;font-weight:900}
.btn.primary{background:linear-gradient(135deg,var(--blue),#315edf);color:white}
.btn.secondary{background:var(--panel2);border:1px solid var(--line);color:var(--text)}
.btn.ghost{background:none;border:1px solid var(--line);color:var(--muted)}
.btn.danger{background:rgba(255,107,122,.12);color:#ff98a4;border:1px solid rgba(255,107,122,.25)}
.full{width:100%}
.quote-layout{display:grid;gap:12px}
.quote-panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:15px}
.check-item{display:grid;grid-template-columns:24px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.055)}.check-item:last-child{border-bottom:0}
.check-item input{accent-color:var(--blue);width:18px;height:18px}
.toggle-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.toggle{display:flex;align-items:center;gap:9px;padding:10px;border:1px solid var(--line);border-radius:13px;color:var(--muted);font-size:12px}.toggle input{accent-color:var(--cyan)}
.result-card{background:linear-gradient(145deg,#102143,#0d1b33);border:1px solid #2c4777;border-radius:22px;padding:17px}
.big-price{font-size:31px;font-weight:1000;letter-spacing:-.035em;margin:4px 0}
.kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.kpi{background:rgba(0,0,0,.15);padding:10px;border-radius:13px}.kpi small{display:block;color:var(--muted);font-size:9px}.kpi b{font-size:12px}
.rule-note{font-size:11px;color:var(--muted);padding:10px;border-left:3px solid var(--cyan);background:rgba(69,214,199,.055);border-radius:0 10px 10px 0}
.objection-card{padding:15px;background:var(--panel);border:1px solid var(--line);border-radius:18px}
.objection-card .client{font-size:16px;font-weight:900;margin:6px 0 10px}
.answer-tabs{display:flex;gap:6px;margin:10px 0}.answer-tabs button{flex:1;padding:8px;border-radius:10px;border:1px solid var(--line);background:#0a162b;color:var(--muted);font-size:11px}.answer-tabs button.active{background:rgba(75,124,255,.16);color:#dce5ff;border-color:#355ba9}
.answer-box{padding:12px;background:#091426;border-radius:13px;color:#d8e2f3;line-height:1.5;font-size:13px}
.copy-row{display:flex;justify-content:flex-end;margin-top:8px}
.copy{border:0;background:none;color:var(--cyan);font-weight:800;font-size:11px}
.brief-q{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:13px}.brief-q:last-child{border-bottom:0}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);z-index:30;width:min(880px,100%);display:grid;grid-template-columns:repeat(5,1fr);padding:7px 8px calc(7px + env(safe-area-inset-bottom));background:rgba(7,16,31,.92);backdrop-filter:blur(16px);border-top:1px solid rgba(255,255,255,.08)}
.bottom-nav button{border:0;background:none;color:#7589aa;padding:5px 2px}.bottom-nav span{display:block;font-size:19px;font-weight:900;line-height:1}.bottom-nav small{font-size:9px}.bottom-nav button.active{color:#cbd8ff}
.toast{position:fixed;left:50%;bottom:96px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#e7f0ff;color:#081225;padding:10px 14px;border-radius:12px;font-weight:800;font-size:12px;transition:.25s;z-index:99}.toast.show{opacity:1;transform:translate(-50%,0)}
.empty{padding:28px;text-align:center;color:var(--muted)}
details{border:1px solid var(--line);border-radius:16px;background:var(--panel);margin:8px 0;overflow:hidden}summary{padding:13px;font-weight:800;cursor:pointer}.details-body{padding:0 13px 13px}
.light{
  --bg:#f4f7fb;--panel:#ffffff;--panel2:#f9fbff;--text:#10203b;--muted:#64748b;--line:#dce5f0;
  --shadow:0 18px 50px rgba(26,52,90,.10)
}
.light body{background:#f4f7fb}.light .topbar,.light .bottom-nav{background:rgba(244,247,251,.9)}
.light .answer-box{background:#eff4fb;color:#17233a}.light .search{background:#fff}.light .result-card{background:linear-gradient(145deg,#e8f0ff,#eefaf8)}
@media(min-width:700px){main{padding:24px}.grid{grid-template-columns:repeat(4,1fr)}.quote-layout{grid-template-columns:1.25fr .75fr}.quote-layout .result-side{position:sticky;top:82px;align-self:start}.toggle-grid{grid-template-columns:repeat(3,1fr)}}
.card.action > span:last-child{
  display:flex;
  flex-direction:column;
  gap:6px;
}

.card.action strong{
  display:block;
  line-height:1.25;
}

.card.action small{
  display:block;
  line-height:1.45;
}