:root{
    --bg:#f5f7fb;
    --card:#ffffff;
    --text:#172033;
    --muted:#687385;
    --muted-light:#aab4c4;
    --line:#dfe5ef;
    --accent:#1f6feb;
    --accent-dark:#1757c2;
    --danger:#b42318;
    --warning-bg:#fff6f3;
    --ok:#157347;
    --soft:#eef4ff;
    --shadow:0 14px 38px rgba(23,32,51,.075);
    --radius:20px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Arial, Helvetica, sans-serif;background:linear-gradient(180deg,#eef4ff 0,#f5f7fb 230px);color:var(--text);font-size:15px;line-height:1.48}
body.modal-open{overflow:hidden}
a{color:var(--accent);text-decoration:none}
.page{width:min(1160px,calc(100% - 32px));margin:0 auto;padding:24px 0 36px}
.page-small{width:min(960px,calc(100% - 32px))}
.hero{display:flex;align-items:flex-start;justify-content:space-between;gap:22px;margin-bottom:18px;padding:22px 24px;border-radius:26px;background:rgba(255,255,255,.84);box-shadow:var(--shadow);border:1px solid rgba(223,229,239,.8);backdrop-filter:blur(10px)}
.hero.compact{align-items:center}
.hero h1{margin:9px 0 8px;font-size:clamp(28px,4.4vw,46px);line-height:1.04;letter-spacing:-.04em}
.hero p{margin:0;color:var(--muted);max-width:760px}
.badge{display:inline-flex;padding:6px 11px;border-radius:999px;background:var(--soft);color:var(--accent);font-weight:700;font-size:13px}
.hero-link{display:inline-flex;white-space:nowrap;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);padding:11px 15px;font-weight:700}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:18px}
.card h2{margin:0 0 13px;font-size:20px;letter-spacing:-.02em}
.card h3{margin:0 0 10px;font-size:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:12px}
.field span,.field-title{font-weight:700;color:#29354b;font-size:14px}
.field em{font-weight:400;color:var(--muted);font-style:normal}
input,textarea,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 13px;font:inherit;color:var(--text);background:#fff;outline:none;transition:border .15s, box-shadow .15s}
textarea{resize:vertical;min-height:104px}
select{appearance:none;background:#fff}
input::placeholder,textarea::placeholder{color:var(--muted-light);opacity:.72}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(31,111,235,.12)}
.fields-two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.preset-wrap{margin:16px 0 20px}
.presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}
.preset{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:999px;padding:9px 12px;cursor:pointer;font-weight:700;font-size:14px}
.preset.active{border-color:var(--accent);background:var(--soft);color:var(--accent)}
.actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:14px;padding:11px 15px;font-weight:700;font-size:15px;cursor:pointer;min-height:44px;transition:transform .12s, background .12s, border .12s, box-shadow .12s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{border-color:var(--accent);background:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-dark)}
.btn.ghost{background:#f8fafc}
.btn.small-btn{min-height:38px;padding:9px 12px;font-size:14px}
.btn:disabled{opacity:.58;cursor:not-allowed;transform:none;box-shadow:none}
.btn.attention{border-color:var(--accent);box-shadow:0 0 0 5px rgba(31,111,235,.12),0 12px 26px rgba(31,111,235,.14);animation:twPulse 1.6s ease-in-out infinite}
@keyframes twPulse{0%,100%{box-shadow:0 0 0 4px rgba(31,111,235,.12),0 12px 26px rgba(31,111,235,.14)}50%{box-shadow:0 0 0 7px rgba(31,111,235,.18),0 16px 32px rgba(31,111,235,.18)}}
.divider{height:1px;background:var(--line);margin:18px 0}
.hint{color:var(--muted);font-size:14px;margin:7px 0 0}
.warning-line{color:var(--danger);background:var(--warning-bg);border:1px solid #ffd9d2;border-radius:14px;padding:11px 12px;margin-top:12px}
.short-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.short-domain-note{display:flex;flex-direction:column;justify-content:center;gap:3px;min-height:44px;padding:9px 13px;border:1px solid var(--line);border-radius:14px;background:#f8fafc;color:var(--muted)}
.short-domain-note span{font-size:12px;font-weight:700;line-height:1.25}
.short-domain-note strong{color:var(--text);font-size:15px;line-height:1.25;overflow-wrap:anywhere}
.short-result{margin-top:14px;padding:14px;border-radius:18px;background:#f8fafc;border:1px solid var(--line)}
.stats-code-box{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin:9px 0 10px;padding:13px;border-radius:16px;background:#fff;border:1px solid var(--line)}
.stats-code-box span{display:block;color:var(--muted);font-weight:700;font-size:13px}.stats-code-box strong{font-size:26px;letter-spacing:.08em}.stats-code-box p{margin:0;color:var(--muted);font-size:14px;max-width:310px}
.qr-switch{display:inline-grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border:1px solid var(--line);border-radius:16px;background:#f8fafc;margin-bottom:12px}
.qr-switch label{position:relative;display:block;cursor:pointer}
.qr-switch input{position:absolute;opacity:0;pointer-events:none}
.qr-switch span{display:block;border-radius:12px;padding:10px 13px;color:var(--muted);font-weight:700;transition:background .15s,color .15s,box-shadow .15s;text-align:center;white-space:nowrap}
.qr-switch input:checked + span{background:#fff;color:var(--accent);box-shadow:0 8px 18px rgba(23,32,51,.08)}
.qr-source-hint{margin:-3px 0 12px}
.qr-box{display:flex;align-items:center;justify-content:center;min-height:310px;border:1px dashed #c6d0df;border-radius:18px;background:#fbfdff;margin-top:14px;overflow:hidden;padding:16px}.qr-box span{color:var(--muted)}.qr-box canvas{max-width:100%;height:auto}
.history-list{display:grid;gap:10px}.history-item{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:16px;background:#fbfdff}.history-item p{margin:0;color:var(--muted);font-size:13px;word-break:break-all}.history-item strong{word-break:break-all}.history-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.footer{color:var(--muted);font-size:14px;text-align:center;margin-top:18px}.footer p{margin:0 0 9px}.footer-links{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}.footer-links a{color:#4d5b70;text-decoration:underline;text-underline-offset:3px}
.toast{position:fixed;right:22px;bottom:92px;max-width:420px;padding:14px 16px;border-radius:16px;background:#172033;color:#fff;box-shadow:var(--shadow);z-index:360}.toast.error{background:var(--danger)}.toast.ok{background:var(--ok)}.hidden{display:none!important}
html.tw-cookie-notice-hidden .toast{bottom:22px}
.stats-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-bottom:16px}.stat-card{padding:14px;border:1px solid var(--line);border-radius:18px;background:#fbfdff}.stat-card span{display:block;color:var(--muted);font-size:13px;font-weight:700}.stat-card strong{display:block;font-size:27px;margin-top:4px}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.mini-table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:14px;overflow:hidden}.mini-table td,.mini-table th{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.mini-table tr:last-child td{border-bottom:0}.mini-table th{background:#f8fafc;color:var(--muted)}
.modal{position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;padding:20px}.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.52);backdrop-filter:blur(4px)}.modal-card{position:relative;width:min(680px,100%);max-height:min(760px,calc(100vh - 40px));overflow:auto;background:#fff;border-radius:22px;padding:24px;box-shadow:0 26px 80px rgba(0,0,0,.25)}.modal-card:focus{outline:none}.modal-card h2{margin:0 34px 14px 0;font-size:24px}.modal-body p{margin:0 0 12px;color:#41506a}.modal-body code{padding:2px 5px;border-radius:6px;color:#29456f;background:#eef4ff;overflow-wrap:anywhere}.modal-body a{text-decoration:underline;text-underline-offset:3px}.modal-body .legal-revision{margin-top:16px;color:#7c8799;font-size:13px}.modal-close{position:absolute;right:14px;top:14px;width:36px;height:36px;border:1px solid var(--line);border-radius:12px;background:#f8fafc;color:#172033;font-size:24px;line-height:1;cursor:pointer}
@media (max-width: 900px){.grid,.fields-two,.short-grid,.stats-grid{grid-template-columns:1fr}.hero{flex-direction:column}.stats-summary{grid-template-columns:1fr 1fr}.page{width:min(100% - 20px,1180px);padding-top:18px}.card{padding:18px}.hero{padding:20px}.history-item{grid-template-columns:1fr}.history-actions{justify-content:flex-start}.btn{width:100%}.qr-switch{display:grid;width:100%}}
@media (max-width: 520px){.stats-summary{grid-template-columns:1fr}.hero h1{font-size:30px}.actions{display:grid}.stats-code-box{display:block}.stats-code-box p{margin-top:8px}.qr-switch{grid-template-columns:1fr}.footer-links{gap:10px;flex-direction:column}.toast{left:12px;right:12px;bottom:166px}html.tw-cookie-notice-hidden .toast{bottom:12px}}
.stats-chart-wrap{margin:0 0 16px;padding:14px;border:1px solid var(--line);border-radius:18px;background:#fbfdff}
.stats-chart-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:8px}
.stats-chart-head h3{margin:0;font-size:16px}
.stats-chart-head span{color:var(--muted);font-size:13px;font-weight:700}
#statsChart{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:0}
.footer-links span{color:#4d5b70}
.footer-links span a{color:#4d5b70;text-decoration:underline;text-underline-offset:3px}
@media (max-width:520px){.stats-chart-head{display:block}.stats-chart-head span{display:block;margin-top:4px}}

.soft-warning{background:#fff7f6;color:#8f241b;border-color:#ffd6cf}
.stats-period-field{max-width:260px}

.url-erid-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:end}
.url-main-field{margin-bottom:0}
.erid-control{margin-bottom:12px}
.toggle-pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:14px;background:#fff;padding:11px 13px;font-weight:700;cursor:pointer;min-height:46px;white-space:nowrap;color:#29354b}
.toggle-pill input{width:auto;margin:0;accent-color:var(--accent)}
.erid-box{margin:12px 0 16px;padding:13px;border:1px solid #ffd9d2;border-radius:16px;background:#fff7f6}
.erid-box .field{margin-bottom:7px}
.danger-btn{color:var(--danger)!important;border-color:#ffd9d2!important;background:#fff7f6!important}
.icon-btn{width:38px;min-width:38px;padding:0;font-size:22px;line-height:1}
.stats-period-grid{display:grid;grid-template-columns:minmax(220px,260px) minmax(220px,260px) 1fr;gap:12px;align-items:start}
.stats-period-extra{margin-bottom:12px}
#statsFullLinkTopBox textarea{min-height:54px}
@media (max-width:900px){.url-erid-row,.stats-period-grid{grid-template-columns:1fr}.erid-control{margin-bottom:0}.toggle-pill{width:100%}}

/* v6 refinements */
.url-erid-row{grid-template-columns:minmax(0,1fr) 166px;align-items:start}
.erid-control{padding-top:26px;margin-bottom:12px;align-self:start}
.toggle-pill{width:100%}
#statsFullLinkTopBox input{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.saved-links-picker{position:relative;width:100%}
.saved-links-button{width:100%;min-height:46px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);padding:12px 42px 12px 13px;font:inherit;text-align:left;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;position:relative}
.saved-links-button:after{content:'▾';position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted)}
.saved-links-button:disabled{opacity:.58;cursor:not-allowed}
.saved-links-menu{position:absolute;z-index:30;top:calc(100% + 6px);left:0;right:0;max-height:280px;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:6px}
.saved-link-option{width:100%;border:0;background:#fff;border-radius:12px;padding:10px 11px;text-align:left;cursor:pointer;display:block;overflow:hidden;font-weight:400}
.saved-link-option:hover{background:#f8fafc}
.saved-link-main{display:block;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.saved-link-meta{display:block;margin-top:3px;color:#8a96a8!important;font-size:13px;font-weight:400!important;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:900px){.url-erid-row{grid-template-columns:1fr}.erid-control{padding-top:0;margin-bottom:0}.toggle-pill{width:100%}}

@media (max-width:900px){.history-actions .icon-btn{width:100%;min-width:0;padding:11px 15px;font-size:20px}}

.seo-note{grid-column:1/-1;margin:0 0 18px;padding:20px 22px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 14px 38px rgba(23,32,51,.05)}
.seo-note h2{margin:0 0 10px;font-size:22px;line-height:1.25}
.seo-note p{margin:0 0 9px;color:var(--muted);font-size:15px;line-height:1.55}
.seo-note p:last-child{margin-bottom:0}
@media (max-width:900px){.seo-note{padding:18px}.seo-note h2{font-size:20px}}

.seo-note + .history-card{margin-top:0}

.tw-confirm-modal{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;padding:18px}
.tw-confirm-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.58);backdrop-filter:blur(4px)}
.tw-confirm-card{position:relative;width:min(420px,100%);padding:24px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 28px 80px rgba(15,23,42,.22)}
.tw-confirm-card h2{margin:0 0 10px;font-size:22px;line-height:1.2}
.tw-confirm-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.5}
.tw-confirm-close{position:absolute;top:12px;right:12px;width:34px;height:34px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font-size:20px;line-height:1;cursor:pointer}
.tw-confirm-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}
.btn.danger{border-color:#f1c7bd;background:#fff6f3;color:#a23b26}
.btn.danger:hover{border-color:#e6aa9a;background:#ffefe9}
@media(max-width:620px){.tw-confirm-actions{flex-direction:column-reverse}.tw-confirm-actions .btn{width:100%}.tw-confirm-card{padding:22px 18px}}


/* v17 tech optimization */
.seo-note,
.history-card,
.footer {
  content-visibility: auto;
  contain-intrinsic-size: 1px 260px;
}

@media (pointer: coarse), (max-width: 900px), (prefers-reduced-motion: reduce) {
  .hero,
  .card,
  .seo-note,
  .history-card,
  .modal-card,
  .tw-confirm-card {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .card,
  .hero,
  .seo-note,
  .history-card {
    box-shadow: 0 10px 28px rgba(23,32,51,.06) !important;
  }

  * {
    scroll-behavior: auto !important;
  }
}

@media (max-width: 520px) {
  body {
    background: #f5f7fb !important;
  }

  .page {
    width: min(100% - 18px,1180px);
    padding-top: 12px;
  }

  .hero {
    border-radius: 22px;
  }

  .hero h1 {
    letter-spacing: -0.045em;
  }

  input,
  textarea,
  select,
  .btn,
  .hero-link {
    min-height: 44px;
  }
}

/* v25: единый фокус для интерактивных элементов и юридических окон */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(31, 111, 235, .28);
  outline-offset: 2px;
}


/* v27: mobile and tablet refinements */
.grid > *, .fields-two > *, .short-grid > *, .stats-grid > *, .stats-period-grid > * { min-width:0; }
input, textarea, select, button, .btn { max-width:100%; }
@media (min-width: 701px) and (max-width: 980px) {
  .page { width:min(100% - 28px,1180px); }
  .hero { align-items:center; }
  .hero h1 { font-size:clamp(32px,5vw,44px); }
  .grid { grid-template-columns:1fr; }
  .fields-two { grid-template-columns:1fr 1fr; }
  .actions .btn { width:auto; flex:1 1 190px; }
  .short-grid { grid-template-columns:1fr 1fr; }
  .stats-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width: 700px) {
  .page, .page-small { width:calc(100% - 20px); padding:14px 0 28px; }
  .hero, .hero.compact { padding:18px; border-radius:22px; align-items:stretch; text-align:center; }
  .hero > div { width:100%; }
  .hero h1 { margin:8px 0 10px; font-size:clamp(28px,8.5vw,38px); overflow-wrap:anywhere; }
  .hero p { margin-inline:auto; font-size:14px; }
  .badge { align-self:center; }
  .hero-link { width:100%; min-height:46px; }
  .grid, .fields-two, .short-grid, .stats-grid, .stats-period-grid, .url-erid-row { grid-template-columns:1fr; }
  .card, .seo-note, .history-card { padding:16px; border-radius:18px; }
  .card h2 { font-size:19px; }
  .actions { display:grid; grid-template-columns:1fr 1fr; gap:9px; }
  .actions .btn, .history-actions .btn, .history-actions .icon-btn { width:100%; min-width:0; }
  .history-item { padding:12px; }
  .history-actions { display:grid; grid-template-columns:1fr 1fr; width:100%; }
  .presets { display:grid; grid-template-columns:1fr 1fr; }
  .preset { min-width:0; white-space:normal; }
  .stats-code-box { display:block; }
  .stats-code-box p { max-width:none; margin-top:8px; }
  .stats-period-field { max-width:none; }
  .stats-grid > div { min-width:0; overflow-x:auto; }
  .mini-table { min-width:440px; }
  .qr-box { min-height:250px; }
  .qr-switch { width:100%; }
  .footer { padding-bottom:8px; }
}
@media (max-width: 480px) {
  .page, .page-small { width:calc(100% - 16px); }
  .hero, .card, .seo-note, .history-card { padding:14px; }
  .actions, .history-actions, .presets { grid-template-columns:1fr; }
  .qr-switch { grid-template-columns:1fr; }
  .qr-switch span { white-space:normal; }
  input, textarea, select { font-size:16px; }
  .stats-summary { grid-template-columns:1fr; }
  .stat-card { text-align:center; }
  .modal { padding:10px; }
  .modal-card { padding:20px 16px; border-radius:18px; }
  .cookie-notice { width:calc(100% - 16px); }
}
@media (max-width: 360px) {
  .hero h1 { font-size:27px; }
  .card h2 { font-size:18px; }
  .btn { padding-inline:11px; font-size:14px; }
}