/* Стиль «Чистый лист» (дизайн-система сети, утверждён Деном 05.11.2026): белый лист, один акцент, тонкие линии, системный */
:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #f5f7fa;
  --ink: #0f172a;
  --muted: #5b6576;
  --line: #e5e8ee;
  --line-strong: #cdd3dd;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: color-mix(in srgb, #0f766e 12%, #ffffff);
  --link: #0f766e;
  --ok: #16a34a;
  --bad: #b3261e;
  --radius: 10px;
  --radius-s: 8px;
  --shadow: none;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI Variable Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}
@media screen and (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1b1e23;
    --surface: #22262c;
    --surface-2: #282d34;
    --ink: #e9ecf1;
    --muted: #9ba4b3;
    --line: #333944;
    --line-strong: #474f5c;
    --accent: color-mix(in srgb, #0f766e 72%, #ffffff);
    --accent-ink: #0d1424;
    --accent-soft: color-mix(in srgb, #0f766e 22%, #22262c);
    --link: color-mix(in srgb, #0f766e 60%, #ffffff);
    --ok: #4ade80;
    --bad: #ff7b72;
    --shadow: none;
  }
}
@media screen {
:root[data-theme="dark"] {
  --bg: #1b1e23;
  --surface: #22262c;
  --surface-2: #282d34;
  --ink: #e9ecf1;
  --muted: #9ba4b3;
  --line: #333944;
  --line-strong: #474f5c;
  --accent: color-mix(in srgb, #0f766e 72%, #ffffff);
  --accent-ink: #0d1424;
  --accent-soft: color-mix(in srgb, #0f766e 22%, #22262c);
  --link: color-mix(in srgb, #0f766e 60%, #ffffff);
  --ok: #4ade80;
  --bad: #ff7b72;
  --shadow: none;
}
}

.top { background: var(--bg); padding: 12px 0; }
.brand { font-weight: 650; font-size: 19px; letter-spacing: -.01em; }
.brand svg { width: 24px; height: 24px; }
.top nav a { color: var(--muted); }
.top nav a:hover { color: var(--ink); }
h1, h2, h3 { font-weight: 650; letter-spacing: -.022em; }
h1 { font-size: clamp(30px, 4.2vw, 44px); max-width: 20em; }
.hero { padding: 30px 0 14px; }
.lede { font-size: clamp(16px, 1.7vw, 18px); line-height: 1.5; }
.badge { background: none; padding: 0; margin-top: 10px; color: var(--muted); font-size: 14px; }

.panel { border-color: var(--line); }
.form .field label { font-weight: 600; font-size: 14px; }
.field textarea { background: var(--surface); border-color: var(--line-strong); line-height: 1.6; }
.btn { border-radius: 8px; font-weight: 600; }
.btn.secondary { border-color: var(--line-strong); }
.btn.secondary:hover { background: var(--surface-2); filter: none; }

.out { background: var(--surface-2); border-color: var(--line); }
.out .status { margin-top: 0; font-size: 14px; color: var(--muted); }
.out .status.is-error { color: var(--bad); }
.out .result { margin-top: 12px; }
.out .mini { border: 0; background: none; padding: 4px 0; min-height: 30px; color: var(--accent); font-weight: 600; }
.out .mini:hover { text-decoration: underline; text-underline-offset: 3px; }

.steps li { border-color: var(--line); background: var(--surface); }
.steps li::before { background: var(--accent-soft); color: var(--accent); }

.form .row { gap: 8px; }
.form .row .btn { padding-left: 14px; padding-right: 14px; }

/* ---- DMARC Checker: форма «домен + селектор DKIM» слева, лист отчёта справа - три записи с вердиктом (pass / warn / fail), */
:root { --pass: #15803d; --warn: #b45309; --fail: #b3261e; --mix: 12%; --pass-soft: color-mix(in srgb, var(--pass) var(--mix), var(--surface)); --warn-soft: color-mix(in srgb, var(--warn) var(--mix), var(--surface)); --fail-soft: color-mix(in srgb, var(--fail) var(--mix), var(--surface)); }
@media screen and (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --pass: #6fd39a; --warn: #f2b84b; --fail: #ff7b72; --mix: 16%; } }
@media screen { :root[data-theme="dark"] { --pass: #6fd39a; --warn: #f2b84b; --fail: #ff7b72; --mix: 16%; } }

.dmarc .field input { width: 100%; min-height: 44px; font: 16px/1.4 var(--font-mono); border-color: var(--line-strong); }
.dmarc .field .hint { font-size: 13px; }
.dmarc .form-note { margin: 14px 0 0; }

.report { padding: 16px 18px 18px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface); }
.rp-head { padding: 0 0 12px; border-bottom: 1px solid var(--line); }
.rp-eyebrow { margin: 0; font: 600 11px/1.4 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.rp-domain { margin: 2px 0 0; font: 600 clamp(22px, 2.4vw, 28px)/1.15 var(--font-mono); letter-spacing: -.02em; overflow-wrap: anywhere; }
.rp-sum { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin: 10px 0 0; }
.rp-meta { font-size: 13px; color: var(--muted); }

.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 22px; padding: 1px 9px; border-radius: 999px; font: 600 12px/1.4 var(--font-body); letter-spacing: .01em; white-space: nowrap; }
.chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none; }
.chip.pass { color: var(--pass); background: var(--pass-soft); } .chip.warn { color: var(--warn); background: var(--warn-soft); } .chip.fail { color: var(--fail); background: var(--fail-soft); }

.rec { position: relative; margin: 14px 0 0; padding: 12px 14px 12px 18px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface); overflow: hidden; }
.rec.pass { --v: var(--pass); } .rec.warn { --v: var(--warn); } .rec.fail { --v: var(--fail); }
.rec::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--v, var(--muted)); }
.rec-top { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2px 10px; align-items: center; }
.rec-top h3 { margin: 0; font-size: 17px; }
.rec-line { grid-column: 1 / -1; margin: 2px 0 0; font-size: 15px; }
.rec-more { margin-top: 8px; }
.rec-more summary { display: inline-flex; align-items: center; gap: 8px; padding: 4px 0; cursor: pointer; list-style: none; font-size: 13px; font-weight: 600; color: var(--accent); }
.rec-more summary::-webkit-details-marker { display: none; }
.rec-more summary::before { content: ""; width: 6px; height: 6px; margin-left: 2px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(-45deg); transition: transform .15s; }
.rec-more[open] summary::before { transform: rotate(45deg) translateY(-2px); }
.rec-raw { margin: 8px 0 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-2); color: var(--ink); font: 13px/1.55 var(--font-mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.raw-name { display: block; font-size: 12px; color: var(--muted); }
.rec-more > .row, .fix .row { margin-top: 8px; gap: 4px 16px; }

.tags { display: grid; margin: 10px 0 0; }
.tags > div { display: grid; grid-template-columns: 6.5em minmax(0, 1fr); gap: 0 10px; padding: 6px 0; border-top: 1px solid var(--line); }
.tags > div:first-child { border-top: 0; }
.tags dt { font: 600 13px/1.5 var(--font-mono); }
.tags dd { margin: 0; font: 13px/1.5 var(--font-mono); overflow-wrap: anywhere; }
.tags .why { grid-column: 2; font: 13px/1.5 var(--font-body); color: var(--muted); }
.tags .dflt dt, .tags .dflt dd:not(.why) { color: var(--muted); }

.fix { margin: 12px 0 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-2); }
.rec.warn .fix { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.rec.fail .fix { background: var(--fail-soft); border-color: color-mix(in srgb, var(--fail) 35%, transparent); }
.fix p { margin: 0; font-size: 14px; }
.fix .rec-raw { background: var(--surface); }

.meter { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin: 10px 0 0; font-size: 13px; }
.meter-label { font-weight: 600; color: var(--muted); }
.cells { display: inline-grid; grid-template-columns: repeat(10, 14px); gap: 3px; }
.cells i { display: block; height: 14px; border: 1px solid var(--line-strong); border-radius: 3px; background: var(--surface-2); }
.cells i.on { background: var(--v, var(--accent)); border-color: var(--v, var(--accent)); }
.meter b { font-variant-numeric: tabular-nums; }

.spf-tree, .spf-tree ul { list-style: none; margin: 0; padding: 0; }
.spf-tree { margin-top: 10px; font-size: 13px; }
.spf-tree ul { margin-left: 9px; padding-left: 14px; border-left: 1px solid var(--line-strong); }
.spf-tree li { position: relative; padding: 3px 0; }
.spf-tree ul li::before { content: ""; position: absolute; left: -14px; top: 15px; width: 10px; height: 1px; background: var(--line-strong); }
.node { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; }
.node code { font: 13px/1.4 var(--font-mono); overflow-wrap: anywhere; }
.cnt { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 5px; background: var(--accent-soft); color: var(--accent); font: 700 12px/1 var(--font-mono); }
.cnt.zero { background: var(--surface-2); color: var(--muted); }
.mech { font-size: 12px; color: var(--muted); }
.tree-note { margin: 10px 0 0; font-size: 13px; }

.ready { margin: 16px 0 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface-2); }
.ready h3 { margin: 0; font-size: 15px; }
.checks { list-style: none; margin: 8px 0 0; padding: 0; }
.checks li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 2px 10px; align-items: center; padding: 6px 0; border-top: 1px solid var(--line); font-size: 14px; }
.checks li:first-child { border-top: 0; }
.chk { position: relative; width: 18px; height: 18px; border: 1.5px solid var(--line-strong); border-radius: 4px; }
.checks .ok .chk { background: var(--pass); border-color: var(--pass); }
.checks .ok .chk::after { content: ""; position: absolute; left: 5px; top: 1px; width: 5px; height: 9px; border: solid var(--accent-ink); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.checks .no .chk { background: var(--fail); border-color: var(--fail); }
.checks .val { grid-column: 2; font: 12px/1.5 var(--font-mono); color: var(--muted); overflow-wrap: anywhere; }
.ready .hint { margin: 8px 0 0; font-size: 13px; }
@media (min-width: 900px) {
  .checks li { grid-template-columns: 20px minmax(0, 1fr) minmax(0, 1fr); }
  .checks .val { grid-column: auto; text-align: right; }
}

.out-act { margin-top: 14px; gap: 8px; }
.out-act .btn { flex: 1 1 140px; }
@media (max-width: 640px) {
  .report { padding: 12px; }
  .rec { padding: 10px 10px 10px 14px; }
  .rp-domain { font-size: 22px; }
}
@media print {
  .tool-grid { display: block; }
  .tool-grid > .form, .out-act, .out .status { display: none !important; }
  .out { position: static; }
  .rec-more summary { display: none; }
}

.gen { margin: 20px 0 28px; }
.gen-grid { display: grid; gap: 0 16px; }
@media (min-width: 700px) { .gen-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.gen .field { margin-bottom: 12px; }
.gen .field input, .gen .field select { width: 100%; min-height: 44px; font-size: 16px; }
.gen .field input { font-family: var(--font-mono); }
.dmarc .opt, .gen .opt { margin-left: 6px; font-weight: 400; font-size: 13px; color: var(--muted); }
.gen-out { margin-top: 6px; padding-top: 12px; border-top: 1px solid var(--line); }
.gen-host { margin: 0; font-size: 14px; color: var(--muted); }
.gen-host code { font: 13px/1.5 var(--font-mono); color: var(--ink); }
.gen-warn { margin: 10px 0 0; padding-left: 18px; font-size: 14px; color: var(--warn); }
.gen-warn li { margin: 4px 0; }
.gen-out .row { margin-top: 12px; }