/* TechGuard — terminal cyber style (matches the original stub) */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #090e18;
  --panel: #0d1524;
  --line: rgba(45, 212, 191, 0.18);
  --accent: #2dd4bf;
  --text: #dbe7e4;
  --muted: #8fa8a2;
  --dim: #5c6f6b;
  --warn: #fbbf24;
  --bad: #f87171;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(rgba(9, 14, 24, 0.92), rgba(9, 14, 24, 0.97)),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(45, 212, 191, 0.08) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(45, 212, 191, 0.08) 39px 40px),
    var(--bg);
  color: var(--text);
  font-family: Consolas, "JetBrains Mono", "Courier New", monospace;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* header */
.top {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}
.logo {
  font-size: 1.15rem; letter-spacing: 3px; color: #f0f7f5; font-weight: bold;
}
.logo span { color: var(--accent); }
.logo:hover { text-decoration: none; }
.top nav { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.top nav a { color: var(--muted); font-size: 0.9rem; }
.top nav a.on, .top nav a:hover { color: var(--accent); text-decoration: none; }
.top nav a.lang {
  border: 1px solid var(--line); padding: 3px 10px; border-radius: 4px;
  color: var(--accent); font-size: 0.8rem;
}

main { flex: 1; width: 100%; max-width: 920px; margin: 0 auto; padding: 40px 24px; }

/* home */
.hero { text-align: center; margin-bottom: 44px; }
.hero h1 {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  letter-spacing: 2px; color: #f0f7f5; margin-bottom: 14px;
}
.hero p { color: var(--muted); max-width: 560px; margin: 0 auto; line-height: 1.6; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px 20px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); text-decoration: none; }
.card-ico { font-size: 1.9rem; margin-bottom: 12px; }
.card-wide { grid-column: 1 / -1; border-color: rgba(45, 212, 191, 0.4); }
.card h2 { font-size: 1.05rem; color: #f0f7f5; margin-bottom: 10px; letter-spacing: 1px; }
.card p { color: var(--muted); font-size: 0.88rem; line-height: 1.55; margin-bottom: 14px; }
.card-go { color: var(--accent); font-size: 0.85rem; }

/* tool page */
.tool h1 {
  font-size: clamp(1.25rem, 4vw, 1.7rem);
  color: #f0f7f5; letter-spacing: 1px; margin-bottom: 26px;
}
#check-form label { display: block; color: var(--dim); font-size: 0.8rem; margin-bottom: 8px; }
#check-form .row {
  display: flex; align-items: stretch; gap: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
#check-form .row:focus-within { border-color: var(--accent); }
#check-form .prompt {
  display: flex; align-items: center; padding: 0 4px 0 14px;
  color: var(--accent);
}
#check-form input {
  flex: 1; min-width: 0;
  background: transparent; border: none; outline: none;
  color: var(--text);
  font: inherit; font-size: 1rem;
  padding: 14px 10px;
}
#check-form input::placeholder { color: var(--dim); }
#check-form button {
  background: var(--accent); color: #04211d;
  border: none; cursor: pointer;
  font: inherit; font-weight: bold; letter-spacing: 1px;
  padding: 0 26px;
  transition: filter 0.15s;
}
#check-form button:hover { filter: brightness(1.12); }
#check-form button:disabled { filter: grayscale(0.6); cursor: wait; }

/* results */
.result {
  margin-top: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  font-size: 0.92rem;
  overflow-x: auto;
}
.result .verdict { font-size: 1.05rem; margin-bottom: 14px; letter-spacing: 0.5px; }
.result .verdict.ok   { color: var(--accent); }
.result .verdict.warn { color: var(--warn); }
.result .verdict.bad  { color: var(--bad); }
.result .kv { line-height: 2; }
.result .kv .k { color: var(--dim); }
.result .kv .k::after { content: " .......... "; color: var(--line); letter-spacing: -1px; }
.result .kv .good { color: var(--accent); }
.result .kv .warn { color: var(--warn); }
.result .kv .bad  { color: var(--bad); }
.result .hints { margin-top: 16px; border-top: 1px dashed var(--line); padding-top: 14px; }
.result .hints h3 { font-size: 0.9rem; color: var(--warn); margin-bottom: 10px; }
.result .hints ul { list-style: none; }
.result .hints li { color: var(--muted); line-height: 1.6; margin-bottom: 8px; padding-left: 16px; position: relative; }
.result .hints li::before { content: "!"; color: var(--warn); position: absolute; left: 0; }
.result .hints li.all-good::before { content: "✔"; color: var(--accent); }
.result .spin { color: var(--muted); }
.result .spin::after {
  content: "";
  display: inline-block; width: 9px; height: 1.1em;
  background: var(--accent); vertical-align: text-bottom; margin-left: 6px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.seo-text { margin-top: 30px; color: var(--dim); font-size: 0.85rem; line-height: 1.7; }

/* recent checks */
.recent { margin-top: 12px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.recent-h { color: var(--dim); font-size: 0.78rem; }
.chip {
  background: var(--panel); color: var(--muted);
  border: 1px solid var(--line); border-radius: 20px;
  font: inherit; font-size: 0.78rem; padding: 4px 12px; cursor: pointer;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ghost button (blacklist: my ip) */
.ghost {
  margin-top: 10px;
  background: transparent; color: var(--accent);
  border: 1px solid var(--line); border-radius: 5px;
  font: inherit; font-size: 0.85rem; padding: 8px 16px; cursor: pointer;
}
.ghost:hover { border-color: var(--accent); }
.ghost:disabled { opacity: 0.5; cursor: wait; }

/* ssl reminder */
.remind { margin-top: 22px; }
.remind .row {
  display: flex; gap: 0; overflow: hidden;
  background: var(--bg); border: 1px solid var(--line); border-radius: 6px;
}
.remind .row:focus-within { border-color: var(--accent); }
.remind input {
  flex: 1; min-width: 0;
  background: transparent; border: none; outline: none;
  color: var(--text); font: inherit; padding: 12px 14px;
}
.remind input::placeholder { color: var(--dim); }
.remind button {
  background: var(--accent); color: #04211d;
  border: none; cursor: pointer;
  font: inherit; font-weight: bold; padding: 0 20px;
}
.remind button:hover { filter: brightness(1.12); }
.rem-msg { margin-top: 12px; color: var(--accent); font-size: 0.88rem; }
.hp { position: absolute; left: -5000px; width: 1px; height: 1px; opacity: 0; }

/* badge offer (full check, score >= 8) */
.badge-offer {
  margin-top: 18px; padding: 18px;
  border: 1px dashed var(--accent); border-radius: 8px;
}
.badge-offer h3 { color: #f0f7f5; font-size: 0.95rem; margin-bottom: 8px; }
.badge-offer p { color: var(--muted); font-size: 0.85rem; line-height: 1.6; margin-bottom: 14px; }
.badge-preview { display: block; margin-bottom: 12px; }
.badge-code {
  display: block; width: 100%;
  background: var(--bg); color: var(--muted);
  border: 1px solid var(--line); border-radius: 6px;
  font: inherit; font-size: 0.75rem; padding: 10px; margin-bottom: 10px;
  resize: vertical;
}

/* my ip */
.ip-wrap { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.ip-big { font-size: clamp(1.4rem, 5vw, 2.4rem); font-weight: bold; color: var(--accent); word-break: break-all; }
.ip-wrap .btn { padding: 8px 16px; font-size: 0.85rem; }

/* full check */
.result .score { text-align: center; padding: 10px 0 18px; border-bottom: 1px dashed var(--line); margin-bottom: 14px; }
.result .score-num { font-size: 3.2rem; font-weight: bold; line-height: 1; }
.result .score-num span { font-size: 1.2rem; color: var(--dim); font-weight: normal; }
.result .score.ok .score-num { color: var(--accent); }
.result .score.warn .score-num { color: var(--warn); }
.result .score.bad .score-num { color: var(--bad); }
.result .score-label { color: var(--dim); font-size: 0.8rem; margin: 6px 0 10px; letter-spacing: 1px; }
.result .score .verdict { margin-bottom: 0; }
.result h2.sec, .result a.sec {
  display: block;
  font-size: 0.85rem; color: var(--dim); letter-spacing: 2px; text-transform: uppercase;
  margin: 22px 0 10px; padding-top: 16px; border-top: 1px dashed var(--line);
}
.result a.sec:hover { color: var(--accent); text-decoration: none; }

/* redirect chain */
.result .chain-h { font-size: 0.85rem; color: var(--dim); letter-spacing: 1px; margin: 14px 0 8px; }
.result ol.chain { list-style: none; counter-reset: hop; }
.result ol.chain li {
  line-height: 1.9; padding-left: 26px; position: relative; word-break: break-all;
}
.result ol.chain li::before {
  counter-increment: hop; content: counter(hop);
  position: absolute; left: 0; top: 2px;
  width: 18px; height: 18px; border: 1px solid var(--line); border-radius: 50%;
  text-align: center; font-size: 0.7rem; line-height: 18px; color: var(--dim);
}
.result ol.chain .chain-url { color: var(--text); }

/* error guide */
.err-cat { font-size: 1rem; color: #f0f7f5; letter-spacing: 1px; margin: 26px 0 12px; }
.err-list { list-style: none; }
.err-list li { margin-bottom: 8px; }
.err-list a {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  padding: 10px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px;
}
.err-list a:hover { border-color: var(--accent); text-decoration: none; }
.err-list code { color: var(--accent); font-size: 0.82rem; white-space: nowrap; }
.err-list span { color: var(--muted); font-size: 0.9rem; }
.err-crumb { color: var(--dim); font-size: 0.82rem; margin-bottom: 12px; }
.err-crumb code { color: var(--muted); }
.err-what { color: var(--text); font-size: 1.02rem; line-height: 1.7; margin-bottom: 8px; }
.err-h { font-size: 1rem; color: #f0f7f5; letter-spacing: 1px; margin: 28px 0 12px; }
.err-cause { color: var(--muted); line-height: 1.7; }
.err-fix { color: var(--text); line-height: 1.7; padding-left: 22px; }
.err-fix li { margin-bottom: 10px; }
.err-check {
  margin: 22px 0; padding: 18px; border: 1px dashed var(--accent); border-radius: 8px;
}
.err-check h2 { font-size: 0.95rem; color: #f0f7f5; margin-bottom: 12px; letter-spacing: 1px; }
.home-errors { text-align: center; margin-top: 28px; }
.home-errors a { color: var(--muted); font-size: 0.92rem; }
.home-errors a:hover { color: var(--accent); }

/* related checks */
.related {
  max-width: 920px; margin: 26px auto 0; padding: 0 24px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.related-h { color: var(--dim); font-size: 0.82rem; }
.related a { color: var(--accent); font-size: 0.85rem; }

/* CTA */
.cta {
  margin-top: 48px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  background: var(--panel);
  padding: 26px 24px;
}
.cta h2 { color: #f0f7f5; font-size: 1.05rem; letter-spacing: 1px; margin-bottom: 10px; }
.cta p { color: var(--muted); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }

/* telegram bot callout (home) */
.tgbot {
  margin-top: 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  border: 1px solid var(--line);
  border-left: 3px solid #29a9eb;
  border-radius: 8px;
  background: var(--panel);
  padding: 20px 24px;
}
.tgbot h2 { color: #f0f7f5; font-size: 1rem; letter-spacing: 0.5px; margin-bottom: 6px; }
.tgbot p { color: var(--muted); font-size: 0.88rem; line-height: 1.5; }
.tgbot .btn { background: #29a9eb; white-space: nowrap; }
.btn {
  display: inline-block;
  background: var(--accent); color: #04211d;
  padding: 10px 22px; border-radius: 5px;
  font-weight: bold; letter-spacing: 1px;
}
.btn:hover { text-decoration: none; filter: brightness(1.12); }

/* footer */
footer {
  border-top: 1px solid var(--line);
  padding: 22px 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 2;
}
footer .dim { color: var(--dim); font-size: 0.72rem; letter-spacing: 1px; }

@media (prefers-reduced-motion: reduce) {
  .result .spin::after { animation: none; }
  .card, .card:hover { transform: none; transition: none; }
}