:root{
  --bg:#f4f5fb;--surface:#ffffff;--surface-2:#f8f9fc;
  --border:#e4e7ee;--border-l:#d1d5e0;
  --text:#1a1d28;--text-s:#5a5e72;--text-d:#8b8fa3;
  --primary:#6d4aff;--primary-l:#8b6dff;--primary-glow:rgba(109,74,255,.12);
  --gold:#f0b90b;--gold-glow:rgba(240,185,11,.12);
  --success:#16a34a;--success-glow:rgba(22,163,74,.1);
  --warning:#ea8c00;--danger:#dc2626;
  --radius:12px;--radius-s:8px;--radius-l:16px;
  --shadow:0 2px 12px rgba(0,0,0,.06);
  --shadow-lg:0 8px 32px rgba(0,0,0,.1);
  --hdr-bg:rgba(255,255,255,.95);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
html[data-theme="dark"]{
  --bg:#0f1118;--surface:#1a1d28;--surface-2:#232738;
  --border:#2a2f42;--border-l:#3a4059;
  --text:#e8eaf2;--text-s:#a3a8bd;--text-d:#6b7089;
  --hdr-bg:rgba(26,29,40,.92);
  --primary-glow:rgba(109,74,255,.22);
  --shadow:0 2px 12px rgba(0,0,0,.35);
  --shadow-lg:0 8px 32px rgba(0,0,0,.5);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.hidden{display:none!important}
.container{max-width:960px;margin:0 auto;padding:0 20px}

/* HEADER */
.hdr{position:sticky;top:0;z-index:100;background:var(--hdr-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
.hdr-row{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:800;color:var(--text)}
.brand-icon{font-size:26px}
.nav{display:flex;gap:4px}
.nav-btn{background:none;border:none;color:var(--text-s);font-size:14px;font-weight:600;padding:8px 16px;border-radius:var(--radius-s);cursor:pointer;transition:.15s}
.nav-btn:hover{color:var(--text);background:var(--surface-2)}
.nav-btn.active{color:var(--primary);background:var(--primary-glow)}
.auth{display:flex;gap:8px}
.btn-tg{background:var(--primary);color:#fff;border:none;padding:9px 20px;border-radius:var(--radius-s);font-size:14px;font-weight:600;cursor:pointer;transition:.15s}
.btn-tg:hover{background:var(--primary-l)}
.btn-out{background:transparent;color:var(--text-s);border:1px solid var(--border-l);padding:9px 20px;border-radius:var(--radius-s);font-size:14px;cursor:pointer;transition:.15s}
.btn-out:hover{border-color:var(--danger);color:var(--danger)}

/* HERO */
.hero{text-align:center;padding:48px 0 28px}
.hero h1{font-size:38px;font-weight:800;line-height:1.2;margin-bottom:14px;letter-spacing:-0.5px}
.accent{color:var(--primary)}
.hero-sub{color:var(--text-s);font-size:16px;max-width:560px;margin:0 auto}

/* CALCULATOR */
.calc-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:28px;box-shadow:var(--shadow-lg);max-width:480px;margin:0 auto;position:relative;overflow:hidden}
.calc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--gold),var(--primary))}
.calc-side{margin-bottom:4px}
.calc-side label{display:block;font-size:13px;color:var(--text-s);margin-bottom:6px;font-weight:600}
.calc-row{display:flex;align-items:center;gap:10px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:4px 4px 4px 0;transition:.15s}
.calc-row:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}
.calc-in{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-size:22px;font-weight:700;padding:14px 16px;min-width:0;font-family:var(--font)}
.calc-in::placeholder{color:var(--text-d);font-weight:400}
.cur-tag{display:flex;align-items:center;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-s);padding:10px 14px;font-size:14px;font-weight:600;white-space:nowrap;height:48px}
.cur-tag-coin{gap:8px}
.cur-tag select{background:transparent;border:none;color:var(--text);font-size:14px;font-weight:600;cursor:pointer;appearance:none;outline:none}
.coin-dot{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0}
.swap-btn{display:flex;margin:6px auto;background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;border:3px solid var(--surface);border-radius:50%;width:44px;height:44px;align-items:center;justify-content:center;font-size:18px;cursor:pointer;transition:.3s;box-shadow:0 2px 10px var(--primary-glow)}
.swap-btn:hover{transform:rotate(180deg) scale(1.08)}
.calc-meta{display:flex;justify-content:space-between;padding:14px 0 4px;font-size:13px;color:var(--text-s);flex-wrap:wrap;gap:8px;border-top:1px solid var(--border);margin-top:12px}
.calc-meta b{color:var(--text)}
.calc-err{color:var(--danger);font-size:13px;padding:4px 0;min-height:20px}
.calc-hint{color:var(--gold);font-size:13px;min-height:20px}
.btn-go{width:100%;background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;border:none;padding:16px;border-radius:var(--radius-s);font-size:16px;font-weight:700;cursor:pointer;transition:.15s;box-shadow:0 4px 14px var(--primary-glow);margin-top:4px}
.btn-go:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 18px var(--primary-glow)}
.btn-go:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}

/* TRUST */
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:28px 0}
.trust-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-s);padding:10px 18px;font-size:13px;color:var(--text-s);font-weight:500;box-shadow:var(--shadow)}

/* SECTIONS */
.how-section,.why-section,.reserves-section,.reviews-section,.faq-section,.about-section{padding:40px 0;border-top:1px solid var(--border)}
.how-section h2,.why-section h2,.reserves-section h2,.reviews-section h2,.faq-section h2,.about-section h2{text-align:center;font-size:24px;font-weight:800;margin-bottom:8px}
.section-desc{text-align:center;color:var(--text-s);font-size:14px;margin-bottom:24px}

/* HOW IT WORKS */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.step-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:24px;text-align:center;position:relative;box-shadow:var(--shadow)}
.step-num{position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:32px;height:32px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;box-shadow:0 2px 8px var(--primary-glow)}
.step-icon{font-size:32px;margin-bottom:12px;margin-top:4px}
.step-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:13px;color:var(--text-s)}

/* FEATURES */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:20px;box-shadow:var(--shadow);transition:.15s}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.feature-icon{font-size:28px;margin-bottom:10px}
.feature-card h3{font-size:15px;font-weight:700;margin-bottom:6px}
.feature-card p{font-size:13px;color:var(--text-s)}

/* RESERVES */
.reserves-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.r-row{display:flex;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-s);padding:14px 16px;box-shadow:var(--shadow)}
.r-coin{display:flex;align-items:center;gap:10px}
.r-rate{font-size:12px;color:var(--text-s)}
.r-amt{font-weight:700;font-size:15px}

/* REVIEWS */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.review-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:20px;box-shadow:var(--shadow)}
.review-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.review-ava{width:40px;height:40px;border-radius:50%;background:var(--primary-glow);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}
.review-name{font-weight:600;font-size:14px}
.review-stars{color:var(--gold);font-size:13px}
.review-card p{font-size:14px;color:var(--text-s)}

/* FAQ */
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-s);margin-bottom:8px;overflow:hidden;box-shadow:var(--shadow)}
.faq-item summary{padding:16px;font-size:15px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::after{content:'+';font-size:20px;color:var(--primary);font-weight:700}
.faq-item[open] summary::after{content:'−'}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item p{padding:0 16px 16px;font-size:14px;color:var(--text-s)}

/* ABOUT */
.about-section p{color:var(--text-s);font-size:15px;margin-bottom:12px;max-width:720px;margin-left:auto;margin-right:auto;text-align:center}

/* PAGE TITLE */
.page-title{font-size:26px;font-weight:800;margin:32px 0 20px}

/* FILTERS */
.filter-bar{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.filter-btn{background:var(--surface);border:1px solid var(--border);color:var(--text-s);padding:8px 16px;border-radius:var(--radius-s);font-size:14px;cursor:pointer;transition:.15s;box-shadow:var(--shadow)}
.filter-btn:hover{border-color:var(--primary);color:var(--text)}
.filter-btn.active{background:var(--primary-glow);border-color:var(--primary);color:var(--primary)}

/* ORDERS */
.order-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-s);padding:16px;margin-bottom:10px;cursor:pointer;transition:.15s;box-shadow:var(--shadow)}
.order-item:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.order-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.order-id{font-weight:700;font-size:15px}
.order-status{font-size:12px;font-weight:600;padding:4px 10px;border-radius:20px}
.order-info{color:var(--text-s);font-size:13px}

/* STATS */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}
.stat-item{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:16px;text-align:center}
.stat-item .num{font-size:22px;font-weight:700;color:var(--primary)}
.stat-item .lbl{font-size:12px;color:var(--text-s);margin-top:4px}
.info-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:24px;margin-bottom:16px;box-shadow:var(--shadow)}
.info-card h3{font-size:17px;margin-bottom:12px}

/* REFERRAL */
.ref-link-box{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:12px 16px;margin-top:12px}
.ref-link-box code{flex:1;font-size:13px;color:var(--text-s);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.copy-btn{background:var(--primary);color:#fff;border:none;padding:6px 14px;border-radius:var(--radius-s);font-size:13px;cursor:pointer;white-space:nowrap}

/* MODAL */
.modal-bg{position:fixed;inset:0;background:rgba(20,20,35,.6);backdrop-filter:blur(6px);z-index:200;display:none;align-items:flex-start;justify-content:center;padding:20px;overflow-y:auto}
.modal-bg.active{display:flex}
.modal-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:28px;max-width:440px;width:100%;margin:auto;box-shadow:0 8px 40px rgba(0,0,0,.15);position:relative}

.mclose{position:absolute;top:12px;right:12px;background:none;border:none;color:var(--text-s);font-size:22px;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:.15s;z-index:10}
.mclose:hover{background:var(--surface-2);color:var(--text)}
.modal-box h2{font-size:20px;font-weight:700;margin:16px 0 12px}

/* STEPS INDICATOR */
.steps{display:flex;justify-content:center;gap:8px;margin-bottom:20px}
.step-dot{width:32px;height:4px;border-radius:2px;background:var(--border-l);transition:.2s}
.step-dot.active{background:var(--primary)}
.step-dot.done{background:var(--success)}

/* SUMMARY */
.summary{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:16px;margin-bottom:16px}
.s-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:14px}
.s-row .lbl{color:var(--text-s)}
.s-row .val{font-weight:600;text-align:right}
.promo-tag{display:inline-block;background:var(--gold);color:#000;font-size:11px;font-weight:700;padding:2px 8px;border-radius:4px;margin-left:4px}

/* INPUTS */
.inp{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:14px 16px;color:var(--text);font-size:15px;outline:none;transition:.15s;font-family:var(--font);margin-bottom:8px}
.inp:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}
.inp::placeholder{color:var(--text-d)}
.input-label{display:block;font-size:13px;color:var(--text-s);margin-bottom:6px;font-weight:600}
.input-group{margin-bottom:16px}
.hint-text{font-size:12px;color:var(--text-s);margin-top:6px}
.error-text{color:var(--danger);font-size:13px;margin-top:4px;min-height:18px}
.toggle-group{display:flex;gap:8px;margin-bottom:16px}
.toggle-btn{flex:1;background:var(--surface-2);border:1px solid var(--border);color:var(--text-s);padding:10px;border-radius:var(--radius-s);font-size:14px;font-weight:600;cursor:pointer;transition:.15s}
.toggle-btn.active{background:var(--primary-glow);border-color:var(--primary);color:var(--primary)}
.input-wrapper{position:relative;display:flex;align-items:center}
.input-suffix{position:absolute;right:14px;color:var(--text-s);font-weight:600;font-size:14px;pointer-events:none}

/* BUTTONS */
.btn-primary{width:100%;background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;border:none;padding:15px;border-radius:var(--radius-s);font-size:15px;font-weight:700;cursor:pointer;transition:.15s;box-shadow:0 4px 12px var(--primary-glow);margin-top:8px}
.btn-primary:hover:not(:disabled){transform:translateY(-1px)}
.btn-primary:disabled{opacity:.4;cursor:not-allowed}
.btn-sec{width:100%;background:transparent;color:var(--text-s);border:1px solid var(--border-l);padding:13px;border-radius:var(--radius-s);font-size:14px;font-weight:600;cursor:pointer;transition:.15s;margin-top:8px}
.btn-sec:hover{border-color:var(--text-s);color:var(--text)}

/* STATUS */
.status-b{display:flex;align-items:center;justify-content:center;padding:14px;border-radius:var(--radius-s);font-size:16px;font-weight:700;margin-bottom:16px}
.s-new{background:var(--gold-glow);color:var(--warning)}
.s-paid{background:rgba(241,196,15,.15);color:#a67c00}
.s-comp{background:var(--success-glow);color:var(--success)}
.s-canc{background:rgba(220,38,38,.1);color:var(--danger)}

/* PAY */
.pay-link{display:block;text-align:center;background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;padding:15px;border-radius:var(--radius-s);font-size:15px;font-weight:700;margin:12px 0;text-decoration:none;transition:.15s}
.pay-link:hover{transform:translateY(-1px);text-decoration:none}
.timer{text-align:center;font-size:14px;color:var(--text-s);padding:8px}
.comp-msg{text-align:center;padding:24px 0;margin-top:8px}
.comp-msg .comp-icon{font-size:42px;display:block;margin-bottom:12px}
.comp-msg .comp-text{font-size:17px;color:var(--success);font-weight:600}

/* BTC FEE */
.btc-fee-opt{border:2px solid var(--border);border-radius:var(--radius-s);background:var(--surface-2);color:var(--text);padding:14px 8px;cursor:pointer;transition:.2s;text-align:center;font-size:13px}
.btc-fee-opt:hover{border-color:var(--primary)}
.btc-fee-opt.selected{border-color:var(--primary);background:var(--primary-glow)}
.btc-fee-disabled{opacity:.4;cursor:not-allowed;border-style:dashed}
.btc-fee-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}

/* SPINNER */
.spinner{display:inline-block;width:18px;height:18px;border:2px solid rgba(109,74,255,.3);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* TOAST */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);background:#1a1d28;color:#fff;padding:12px 24px;border-radius:var(--radius-s);font-size:14px;z-index:300;opacity:0;transition:.3s;box-shadow:var(--shadow-lg);pointer-events:none}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}

.text-center{text-align:center}
.mt-16{margin-top:16px}

/* TELEGRAM MODAL */
.tg-modal{position:fixed;inset:0;background:rgba(20,20,35,.7);backdrop-filter:blur(8px);z-index:300;display:none;align-items:center;justify-content:center;padding:20px}
.tg-modal.active{display:flex}
.tg-modal-content{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:32px;max-width:380px;width:100%;text-align:center;box-shadow:0 10px 50px rgba(0,0,0,.15);position:relative}
.tg-close{position:absolute;top:12px;right:12px;background:none;border:none;color:var(--text-s);font-size:24px;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:.15s}
.tg-close:hover{background:var(--surface-2);color:var(--text)}
.tg-modal-content h2{font-size:20px;margin-bottom:8px}
#tgWidgetContainer{margin:20px 0;min-height:100px}
#tgWidgetContainer iframe{border-radius:12px}

/* FOOTER */
.ftr{border-top:1px solid var(--border);padding:32px 0;margin-top:48px;background:var(--surface)}
.ftr-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;margin-bottom:20px}
.ftr-col h4{font-size:14px;font-weight:700;margin-bottom:8px}
.ftr-col p{font-size:13px;color:var(--text-s)}
.ftr-copy{text-align:center;font-size:13px;color:var(--text-d);padding-top:16px;border-top:1px solid var(--border)}

/* ADMIN */
.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:20px}
.admin-stat{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:16px;text-align:center;box-shadow:var(--shadow)}
.admin-stat .num{font-size:18px;font-weight:700;color:var(--primary)}
.admin-stat .lbl{font-size:12px;color:var(--text-s);margin-top:4px}

/* MOBILE */
@media(max-width:640px){
  .hero h1{font-size:26px}
  .calc-card{padding:20px}
  .calc-in{font-size:18px;padding:12px}
  .reserves-list{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .steps-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr}
  .nav{gap:0}
  .nav-btn{padding:6px 10px;font-size:13px}
  .btc-fee-grid{grid-template-columns:1fr}
  .modal-box{padding:20px}
  .about-section p{text-align:left}
}

/* Brand link: no underline, subtle hover response */
.brand { text-decoration: none !important; }
.brand:hover { text-decoration: none !important; opacity: .85; }

.theme-btn{background:var(--surface);border:1px solid var(--border);width:38px;height:38px;border-radius:50%;font-size:17px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:.15s;vertical-align:middle}
.theme-btn:hover{background:var(--surface-2)}
/* ==== Give selector: фирменные маркеры банков ==== */
#giveSig{font-weight:600;padding-left:10px;cursor:pointer}
.cur-tag-coin .cur-ico{flex-shrink:0}
/* ==== CALCULATOR v2: two-column layout (All.Cash style) ==== */
.calc-card{display:grid;grid-template-columns:minmax(0,1fr) 56px minmax(0,1fr);grid-template-areas:
  "give swap get" "meta meta meta" "msg msg msg" "btn btn btn";
  align-items:end;column-gap:0;padding:34px 30px 28px;box-shadow:var(--shadow-lg);
  border:1px solid var(--border);border-radius:24px;background:var(--surface);
  max-width:780px;margin:0 auto;width:100%;overflow-x:clip;}
.calc-side{display:flex;flex-direction:column;min-width:0}
.side-give{grid-area:give}
.side-get{grid-area:get}
.calc-side label{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--text-s);margin-bottom:10px}
/* поля: плоские "стёкла" как в референсе */
.calc-row{display:flex;min-width:0;align-items:center;gap:10px;min-height:86px;padding:10px 12px;
  border-radius:20px;background:var(--surface-2);border:1px solid var(--border);box-sizing:border-box}
.calc-row:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow)}
.calc-in{flex:1;min-width:0;font-size:28px;font-weight:700;letter-spacing:-.3px;
  background:transparent;border:none;outline:none;color:var(--text);padding:10px 4px}
.calc-in::placeholder{color:var(--text-s);opacity:.7;font-weight:500}
/* селектор валюты: бейдж + тикер, без "пилюли в пилюле" */
.cur-tag{display:flex;align-items:center;gap:10px;background:transparent;border:none;
  padding:0 6px 0 0;height:auto;width:auto;min-width:0;flex:none;cursor:pointer;white-space:normal}
.coin-dot{width:44px;height:44px;border-radius:50%;overflow:hidden;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center}
.coin-dot svg,.coin-dot img{width:100%;height:100%;display:block}
.cur-tag select{background:transparent;border:none;outline:none;color:var(--text);
  font-size:17px;font-weight:700;cursor:pointer;appearance:none;max-width:120px}
.cur-tag select option{background:var(--surface);color:var(--text)}
/* свап: на разделительной линии между колонками */
.calc-swap-row{grid-area:swap;align-self:center;justify-self:center;position:relative;height:100%;display:flex;align-items:center}
.calc-swap-row::before{content:"";position:absolute;top:12px;bottom:12px;left:50%;border-left:1px solid var(--border)}
.swap-btn{position:relative;z-index:2;width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;border:4px solid var(--surface);
  font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px var(--primary-glow);transition:.3s}
.swap-btn:hover{transform:rotate(180deg) scale(1.08)}
/* мета: лимиты слева, курс+резерв справа — как в референсе */
.calc-meta{grid-area:meta;display:flex;justify-content:space-between;gap:16px;
  margin-top:14px;padding:0 4px;font-size:13px;color:var(--text-s)}
.calc-meta b{color:var(--text);font-variant-numeric:tabular-nums}
/* сообщения и кнопка */
.calc-err{grid-area:msg;color:#ff6b6b;font-size:13px;margin-top:10px;text-align:center}
.calc-hint{grid-area:msg;margin-top:10px;font-size:13px;color:var(--text-s);text-align:center;
  background:var(--surface-2);border-radius:12px;padding:12px 16px;line-height:1.5;white-space:normal;overflow-wrap:anywhere;}
.btn-go{grid-area:btn;margin-top:18px;padding:18px;font-size:17px;letter-spacing:.3px;border-radius:16px}
.btn-go:not(:disabled){animation:pulse-go 2.5s ease-in-out infinite}
@keyframes pulse-go{0%,100%{box-shadow:0 4px 14px var(--primary-glow)}50%{box-shadow:0 4px 22px var(--primary-glow)}}
/* единая типографика селекторов (монета и способ оплаты — один стиль) */
.cur-tag select{font-size:16px;font-weight:600;color:var(--text);background:transparent;border:none;outline:none;cursor:pointer}
.side-get .cur-tag select{text-align:right}
/* авто-уплотнение длинных сумм */
.calc-in{transition:font-size .15s ease}
.calc-in.amount-h{font-size:22px;letter-spacing:-.3px}
.calc-in.amount-xl{font-size:17px;letter-spacing:-.4px}
/* мобильный: колонки в столбик, свап горизонтально */
@media(max-width:720px){
  .calc-card{max-width:100%;overflow:hidden}
  .calc-row{flex-wrap:nowrap;padding:8px 10px;gap:8px}
  .calc-in{font-size:20px;padding:6px 2px;min-width:0;flex:1;width:100%}
  .cur-tag select{font-size:14px;max-width:150px;text-overflow:ellipsis}
  .cur-tag{flex-shrink:0}
  .coin-dot{width:36px;height:36px}

  .calc-card{grid-template-columns:1fr;grid-template-areas:"give" "swap" "get" "meta" "msg" "btn";padding:24px 18px}
  .calc-swap-row{height:56px;margin:6px 0}
  .calc-swap-row::before{left:20%;right:20%;top:50%;bottom:auto;border-top:1px solid var(--border);border-left:none}
  .calc-meta{flex-direction:column;gap:6px}
}

/* GUEST CHECKOUT */
.guest-link-box{margin:10px 0;padding:14px;border:1px dashed var(--border);border-radius:14px;text-align:center}
.gl-title{font-weight:800;margin-bottom:8px}
.gl-url{font-family:monospace;font-size:12px;word-break:break-all;background:rgba(128,128,128,.08);padding:8px 10px;border-radius:8px;margin-bottom:8px}
.gl-warn{font-size:12px;opacity:.7;margin-top:8px}