/* RentBot — современный адаптивный интерфейс */
:root{
  --bg:#f3f5fb; --card:#ffffff; --ink:#0e1b33; --mut:#5b6b85;
  --line:#e3e8f4; --brand:#2563eb; --brand2:#1e40af; --violet:#7c3aed;
  --ok:#16a34a; --warn:#d97706; --bad:#dc2626;
  --grad:linear-gradient(115deg,#2563eb 0%,#4f46e5 55%,#7c3aed 100%);
  --r:16px; --sh:0 1px 2px rgba(14,27,51,.06),0 10px 28px rgba(14,27,51,.07);
  --sh2:0 2px 6px rgba(14,27,51,.10),0 18px 40px rgba(14,27,51,.12);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
button{font:inherit;cursor:pointer}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:10px;padding-top:9px;padding-bottom:9px;flex-wrap:wrap}
.brand{font-weight:900;font-size:19px;letter-spacing:-.2px;cursor:pointer;user-select:none}
.brand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.top .sp{flex:1}
.chip{background:#eef2ff;color:#3730a3;border-radius:99px;padding:5px 12px;font-size:13px;font-weight:700;white-space:nowrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:18px;margin-bottom:16px}
.card.link{display:block;text-align:left;width:100%;font-size:15px;transition:transform .15s,box-shadow .15s}
.card.link:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.btn{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:12px;padding:11px 18px;
  background:var(--grad);color:#fff;font-weight:700;transition:filter .15s,transform .1s}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.55;cursor:default}
.btn.ghost{background:#eef2fb;color:var(--ink)}
.btn.ok{background:linear-gradient(115deg,#16a34a,#15803d)}
.btn.bad{background:#fee2e2;color:#991b1b}
.btn.sm{padding:7px 12px;font-size:14px;border-radius:10px}
input,select,textarea{font:inherit;padding:10px 12px;border:1.5px solid #cbd5e6;border-radius:12px;width:100%;
  margin:4px 0 12px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row input,.row select,.row textarea{width:auto;flex:1 1 150px}
.row .btn{flex:0 0 auto}
textarea{min-height:90px}
label{font-size:13px;color:var(--mut);font-weight:700;display:block;margin-top:4px}
.mut{color:var(--mut);font-size:14px}
.small{font-size:13px;color:var(--mut)}
.tag{display:inline-block;background:#eef1f7;border-radius:99px;padding:3px 10px;font-size:13px;margin:2px;font-weight:600}
.tag.ok{background:#dcfce7;color:#14532d}
.tag.bad{background:#fee2e2;color:#7f1d1d}
.h1{font-size:24px;font-weight:900;margin:0 0 6px;letter-spacing:-.3px}
.hero{position:relative;border-radius:22px;background:var(--grad);color:#fff;padding:44px 40px 40px;margin:22px 0 26px;
  overflow:hidden;box-shadow:var(--sh2)}
.hero:before{content:'';position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.14)}
.hero:after{content:'';position:absolute;right:120px;bottom:-130px;width:230px;height:230px;border-radius:50%;
  background:rgba(255,255,255,.09)}
.hero h1{position:relative;font-size:clamp(24px,4.5vw,40px);line-height:1.15;margin:0 0 12px;letter-spacing:-.5px}
.hero p{position:relative;color:rgba(255,255,255,.92);font-size:clamp(15px,2.2vw,18px);max-width:660px;margin:0 0 22px}
.hero .btn{background:#fff;color:var(--brand2)}
.hero .btn.ghost{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.4)}
.hero .btn:hover{filter:brightness(.96)}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 18px}
.tab{padding:9px 16px;border-radius:99px;border:1.5px solid var(--line);background:#fff;font-weight:700;font-size:14px;
  transition:all .15s}
.tab:hover{border-color:#b9c6e4}
.tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.price{font-size:20px;font-weight:900;color:var(--brand2)}
.b{font-weight:800}
.b.big{font-size:19px}
.notice{padding:13px 16px;border-radius:14px;margin:10px 0;background:#eef2ff;color:#3730a3;font-weight:600}
.notice.err{background:#fee2e2;color:#7f1d1d}
.notice.ok{background:#dcfce7;color:#14532d}
.hint{background:#eef6ff;border:1px solid #bfdbfe;border-radius:14px;padding:13px;font-size:14px}
.mono{font-family:ui-monospace,Menlo,monospace;font-size:18px;letter-spacing:4px;padding:12px;text-align:center;
  background:#f8fafc;border:1px dashed #cbd5e1;border-radius:12px}
.auth{max-width:480px;margin:26px auto}
.auth.wide{max-width:700px;margin:20px auto}
.auth .btn{width:100%;margin-top:8px}
.form{max-width:680px}
#code{text-align:center;font-size:24px;letter-spacing:10px;padding:12px;font-weight:800}
.wiz-head{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.wiz-ico{width:54px;height:54px;flex:0 0 54px;display:flex;align-items:center;justify-content:center;
  font-size:28px;border-radius:16px;background:linear-gradient(135deg,#e0eaff,#ede9fe)}
.opts{display:flex;flex-wrap:wrap;gap:8px;margin:2px 0 10px}
.opt{border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:9px 14px;font-weight:600;
  font-size:14.5px;transition:all .15s}
.opt:hover{border-color:#a5b7de;background:#f8faff}
.opt.on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 4px 12px rgba(79,70,229,.25)}
footer{padding:30px 0 44px;color:var(--mut);font-size:13px;text-align:center}
.foot-logo{font-weight:800}
@media(max-width:820px){
  .hero{padding:34px 22px 30px;margin:14px 0 20px}
  .g2,.g3{grid-template-columns:1fr}
  .row .btn{flex:1 1 100%}
}
@media(max-width:560px){
  body{font-size:15px}
  .top .wrap{gap:8px}
  .brand{font-size:16px}
  .card{padding:15px}
  .h1{font-size:20px}
  .tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .tab{white-space:nowrap}
  .auth{max-width:100%}
  .wiz-ico{width:46px;height:46px;flex-basis:46px;font-size:24px}
  .btn{padding:11px 14px}
}