/* MAC Vendor Lookup — светлая и тёмная тема */

:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #16181d;
  --text-dim: #5d6470;
  --border: #dfe3e9;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-ring: rgba(37, 99, 235, .18);
  --ok-bg: #edfaf1;
  --ok-border: #b6e6c6;
  --ok-text: #0f6b34;
  --warn-bg: #fff8e8;
  --warn-border: #f0dcae;
  --warn-text: #8a5a00;
  --err-bg: #fdeeee;
  --err-border: #f2c3c3;
  --err-text: #a32020;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .06);
  --radius: 12px;
}

html[data-theme="dark"] {
  --bg: #0f1115;
  --panel: #171a20;
  --text: #e7e9ee;
  --text-dim: #99a1af;
  --border: #262b34;
  --accent: #4f88f7;
  --accent-hover: #6b9cf9;
  --accent-ring: rgba(79, 136, 247, .25);
  --ok-bg: #10241a;
  --ok-border: #1f4a32;
  --ok-text: #6ee7a0;
  --warn-bg: #241f10;
  --warn-border: #4a3d1f;
  --warn-text: #e8c56a;
  --err-bg: #241314;
  --err-border: #4d2427;
  --err-text: #f18b8b;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 28px rgba(0, 0, 0, .35);
}

@media (prefers-color-scheme: dark) {
  html[data-theme="auto"] {
    --bg: #0f1115;
    --panel: #171a20;
    --text: #e7e9ee;
    --text-dim: #99a1af;
    --border: #262b34;
    --accent: #4f88f7;
    --accent-hover: #6b9cf9;
    --accent-ring: rgba(79, 136, 247, .25);
    --ok-bg: #10241a;
    --ok-border: #1f4a32;
    --ok-text: #6ee7a0;
    --warn-bg: #241f10;
    --warn-border: #4a3d1f;
    --warn-text: #e8c56a;
    --err-bg: #241314;
    --err-border: #4d2427;
    --err-text: #f18b8b;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 28px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: background .18s ease, color .18s ease;
}

.wrap {
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  padding: 48px 20px 24px;
  flex: 1;
}

.head { text-align: center; margin-bottom: 28px; }
h1 { margin: 0; font-size: 27px; font-weight: 650; letter-spacing: -.02em; }
.sub { margin: 8px 0 0; color: var(--text-dim); font-size: 15px; }

/* ---------- форма ---------- */

.form { display: flex; gap: 10px; }

#mac {
  flex: 1;
  min-width: 0;
  padding: 13px 15px;
  font: 500 16px/1.2 ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
        "Liberation Mono", monospace;
  letter-spacing: .04em;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
#mac::placeholder { color: var(--text-dim); opacity: .65; letter-spacing: .04em; }
#mac:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-ring); }
#mac.invalid { border-color: var(--err-border); }

#submit {
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, transform .06s;
}
#submit:hover:not(:disabled) { background: var(--accent-hover); }
#submit:active:not(:disabled) { transform: translateY(1px); }
#submit:focus-visible { outline: 3px solid var(--accent-ring); outline-offset: 2px; }
#submit:disabled { opacity: .62; cursor: default; }

.hint {
  margin: 12px 2px 0;
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.9;
}
.hint code {
  padding: 2px 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 12px;
  cursor: pointer;
  transition: border-color .12s;
}
.hint code:hover { border-color: var(--accent); }

/* ---------- результат ---------- */

.result { margin-top: 22px; }

.card {
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  animation: appear .18s ease-out;
}
@keyframes appear { from { opacity: 0; transform: translateY(-4px); } }

.card.ok { background: var(--ok-bg); border-color: var(--ok-border); }
.card.warn { background: var(--warn-bg); border-color: var(--warn-border); }
.card.err { background: var(--err-bg); border-color: var(--err-border); }

.card-label { font-size: 12.5px; color: var(--text-dim); margin-bottom: 5px; }
.card.ok .card-label { color: var(--ok-text); opacity: .85; }

.vendor {
  font-size: 21px;
  font-weight: 650;
  line-height: 1.28;
  letter-spacing: -.01em;
  word-break: break-word;
}
.card.ok .vendor { color: var(--ok-text); }
.card.warn .vendor, .card.warn .msg { color: var(--warn-text); }
.card.err .msg { color: var(--err-text); }
.msg { font-size: 16px; font-weight: 550; }
.detail { margin-top: 6px; font-size: 13.5px; color: var(--text-dim); }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid var(--border);
}
.chip {
  padding: 3px 9px;
  font: 500 11.5px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.copy-btn {
  margin-left: auto;
  padding: 3px 11px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
}
.copy-btn:hover { border-color: var(--accent); }
.copy-btn.done { color: var(--ok-text); border-color: var(--ok-border); }

/* ---------- загрузка ---------- */

.loading {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 18px 20px;
  color: var(--text-dim);
  font-size: 15px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.spinner {
  width: 17px;
  height: 17px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- история ---------- */

.history { margin-top: 34px; }
.history-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 9px;
}
.history h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-dim);
}
.link-btn {
  padding: 0;
  font-size: 12px;
  color: var(--text-dim);
  background: none;
  border: 0;
  cursor: pointer;
  text-decoration: underline;
}
.link-btn:hover { color: var(--accent); }
#my-ip { font: inherit; }
#my-ip:disabled { cursor: default; text-decoration: none; color: var(--text-dim); }
#my-ip:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.history ul { margin: 0; padding: 0; list-style: none; }
.history li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel);
  margin-bottom: 6px;
  cursor: pointer;
  transition: border-color .12s;
}
.history li:hover { border-color: var(--accent); }
.history .h-mac {
  font: 500 12.5px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--text);
  flex: none;
}
.history .h-vendor {
  font-size: 13px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- переключатель темы ---------- */

.theme-toggle {
  position: fixed;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--text-dim);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  z-index: 10;
  transition: color .15s, border-color .15s;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
/* Показываем иконку того режима, в который переключимся */
html[data-theme="dark"] .icon-moon,
html[data-theme="light"] .icon-sun { display: none; }
html[data-theme="auto"] .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  html[data-theme="auto"] .icon-moon { display: block; }
  html[data-theme="auto"] .icon-sun { display: none; }
}

/* ---------- подвал ---------- */

.foot {
  padding: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  opacity: .8;
}
.foot span { display: block; margin-top: 3px; }

/* Подчёркнутая спонсорская ссылка над источником данных */
.sponsor {
  display: block;
  margin: 0 auto 8px;
  padding: 0;
  font-size: 24px;
  font-weight: 550;
  line-height: 1.25;
  text-align: center;
  color: #a78bfa;
  text-decoration: underline;
  text-underline-offset: 3px;
  background: transparent;
  border: 0;
  border-radius: 0;
  transition: color .13s;
}
.sponsor:hover { color: var(--accent); }
.sponsor:focus-visible { outline: 3px solid var(--accent-ring); outline-offset: 2px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- мобильные ---------- */

@media (max-width: 560px) {
  .wrap { padding: 60px 16px 20px; }
  h1 { font-size: 23px; }
  .form { flex-direction: column; }
  #submit { padding: 14px; }
  .vendor { font-size: 19px; }
  .history li { flex-direction: column; gap: 3px; }
  .history .h-vendor { white-space: normal; }
  .sponsor { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

.wrap{max-width:760px}.home{padding-top:20vh}.home-buttons{display:flex;justify-content:center;gap:12px}.small-button{padding:8px 18px;border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--text);text-decoration:none;font-size:14px}.small-button:hover{border-color:var(--accent)}.lookup-card{margin-top:18px;padding:20px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow-wrap:anywhere}.lookup-card h2{font-size:18px;margin:0 0 12px}.lookup-card h3{font-size:14px;margin-bottom:6px}dl{display:grid;grid-template-columns:minmax(85px,1fr) 3fr;gap:6px 14px}dt{color:var(--text-dim)}dd{margin:0}pre{white-space:pre-wrap;font-size:12px;max-height:500px;overflow:auto}.dns-answer{font:13px/1.7 monospace;margin:4px 0}a{color:var(--accent)}.back{font-size:13px;display:inline-block;margin-bottom:12px}.foot{padding:24px 18px;font-size:12px}.error{color:var(--err-text)}@media(max-width:480px){.form{flex-direction:column}dl{grid-template-columns:1fr}dd{margin-bottom:6px}.wrap{padding-top:65px}}

/* Public cross-navigation stays in flow, separate from the heading. */
.site-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 8px; padding: 14px 14px 0; }
.site-tools .theme-toggle { position: static; flex: 0 0 44px; width: 44px; height: 44px; }
.site-switch { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); color: var(--text); font-size: 14px; text-decoration: none; }
.site-switch:hover { border-color: var(--accent); color: var(--accent); }
.site-switch:focus-visible, .site-tools .theme-toggle:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.site-tools + .wrap { padding-top: 20px; }

/* Homepage only: 1.3 times the original typography and button spacing. */
.wrap.home { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 72px 20px; text-align: center; }
.home h1 { font-size: 35.1px; }
.home .sub { font-size: 19.5px; margin-top: 10.4px; }
.home .head { margin-bottom: 36.4px; }
.home .home-buttons { flex-wrap: wrap; gap: 15.6px; }
.home .small-button { font-size: 18.2px; padding: 10.4px 23.4px; border-radius: 10.4px; }
.home .small-button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
@media (max-width: 560px) { .home h1 { font-size: 29.9px; } .wrap.home { padding-inline: 16px; } }