:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-2: #fafafc;
  --side: rgba(246, 246, 248, 0.82);
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #8e8e93;
  --line: rgba(0, 0, 0, 0.09);

  /* "canto" — cobre quente, o peito do sabiá-laranjeira */
  --accent: #b45309;
  --accent-ink: #ffffff;
  --accent-soft: rgba(180, 83, 9, 0.11);
  /* "sinal" — ciano, a onda que o rádio enxerga */
  --signal: #0891b2;
  --signal-soft: rgba(8, 145, 178, 0.12);

  --ok: #1a8f3c;
  --warn: #b26a00;
  --bad: #d12b2b;
  --ok-soft: rgba(26, 143, 60, 0.12);
  --warn-soft: rgba(178, 106, 0, 0.13);
  --bad-soft: rgba(209, 43, 43, 0.11);

  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --radius: 16px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI Variable", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --side-w: 280px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #000000;
    --surface: #1c1c1e;
    --surface-2: #232326;
    --side: rgba(28, 28, 30, 0.8);
    --text: #f5f5f7;
    --text-2: #a1a1a6;
    --text-3: #7d7d82;
    --line: rgba(255, 255, 255, 0.1);
    --accent: #f59e0b;
    --accent-ink: #1f1300;
    --accent-soft: rgba(245, 158, 11, 0.15);
    --signal: #22d3ee;
    --signal-soft: rgba(34, 211, 238, 0.14);
    --ok: #32d74b;
    --warn: #ffb340;
    --bad: #ff6961;
    --ok-soft: rgba(50, 215, 75, 0.15);
    --warn-soft: rgba(255, 179, 64, 0.15);
    --bad-soft: rgba(255, 105, 97, 0.15);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.4);
  }
}
:root[data-theme="dark"] {
  --bg: #000000; --surface: #1c1c1e; --surface-2: #232326; --side: rgba(28, 28, 30, 0.8);
  --text: #f5f5f7; --text-2: #a1a1a6; --text-3: #7d7d82; --line: rgba(255, 255, 255, 0.1);
  --accent: #f59e0b; --accent-ink: #1f1300; --accent-soft: rgba(245, 158, 11, 0.15);
  --signal: #22d3ee; --signal-soft: rgba(34, 211, 238, 0.14);
  --ok: #32d74b; --warn: #ffb340; --bad: #ff6961;
  --ok-soft: rgba(50, 215, 75, 0.15); --warn-soft: rgba(255, 179, 64, 0.15); --bad-soft: rgba(255, 105, 97, 0.15);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.4);
}
:root { color-scheme: light dark; }
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--signal) 55%, transparent); outline-offset: 2px; border-radius: 8px; }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; }
code, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------ layout */
.app { display: grid; grid-template-columns: var(--side-w) 1fr; height: 100vh; height: 100dvh; }
.sidebar {
  background: var(--side);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; min-height: 0; overflow-y: auto;
  padding: 18px 12px 12px;
}
.brand { display: flex; gap: 10px; align-items: center; padding: 4px 10px 20px; }
.brand img { width: 34px; height: 34px; }
.brand strong { display: block; font-size: 17px; letter-spacing: -0.02em; }
.brand small { color: var(--text-2); font-size: 12px; }

.side-title { padding: 14px 10px 6px; font-size: 11px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .07em; }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.list:empty::after { content: attr(data-empty); display: block; padding: 6px 10px; color: var(--text-3); font-size: 13px; }
.dev {
  width: 100%; text-align: left; border: 0; background: transparent; cursor: pointer;
  display: grid; grid-template-columns: 34px 1fr; gap: 10px; align-items: center;
  padding: 9px 10px; border-radius: 12px; transition: background .15s;
}
.dev:hover { background: color-mix(in srgb, var(--text) 6%, transparent); }
.dev[aria-current="true"] { background: var(--accent-soft); }
.dev .ico { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: var(--surface); box-shadow: 0 0 0 1px var(--line); color: var(--text-2); }
.dev[aria-current="true"] .ico { color: var(--accent); }
.dev .t { display: block; font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dev .s { display: block; font-size: 11.5px; color: var(--text-2); font-family: var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.side-foot { margin-top: auto; padding: 14px 10px 4px; font-size: 11.5px; color: var(--text-3); display: flex; justify-content: space-between; gap: 8px; }
.side-foot button { background: transparent; border: 0; color: var(--text-3); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.side-foot button:hover { color: var(--text-2); }
.lang-sel { background: transparent; border: 0; color: var(--text-3); font-size: 11.5px; cursor: pointer; }
.lang-sel:hover { color: var(--text-2); }

.main { overflow-y: auto; min-width: 0; }
.page { max-width: 1040px; margin: 0 auto; padding: 30px 36px 100px; animation: rise .35s cubic-bezier(.2, .8, .2, 1); }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* -------------------------------------------------------- topo + linha de sinal */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar h1 { font-size: 21px; }
.topbar .sub { color: var(--text-2); font-size: 13px; margin-top: 2px; }
.wave { width: 100%; height: 34px; margin: 18px 0 26px; }
.wave path { fill: none; stroke: var(--line); stroke-width: 1.6; }
.wave path.live { stroke: var(--signal); opacity: 0; transition: opacity .25s; }
.wave.scanning path.live { opacity: 1; }
.wave.scanning path.flat { opacity: 0; }

/* ------------------------------------------------------------ aviso */
.notice { display: flex; gap: 10px; background: var(--surface); border-radius: 12px; padding: 12px 14px; box-shadow: var(--shadow); font-size: 13px; color: var(--text-2); margin-bottom: 20px; align-items: flex-start; }
.notice svg { flex: none; margin-top: 2px; color: var(--warn); }

/* ------------------------------------------------------------ controles */
.controls { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.controls .group { display: flex; align-items: center; gap: 8px; }
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: color-mix(in srgb, var(--text) 8%, transparent); color: var(--text-2); }
.pill.on { background: var(--signal-soft); color: var(--signal); }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.on .dot { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.btn { border: 0; border-radius: 999px; padding: 9px 18px; font-weight: 600; font-size: 13.5px; cursor: pointer; background: color-mix(in srgb, var(--text) 9%, transparent); transition: transform .12s, filter .15s, background .15s; display: inline-flex; gap: 8px; align-items: center; }
.btn:hover { background: color-mix(in srgb, var(--text) 14%, transparent); }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.live { background: var(--bad); color: #fff; }
.btn.live:hover { filter: brightness(1.06); }

/* ------------------------------------------------------------ tabela */
.result-head { display: flex; align-items: baseline; justify-content: space-between; margin: 4px 2px 10px; }
.result-head strong { font-size: 15px; }
.result-head span { color: var(--text-3); font-size: 12.5px; }

.ap-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
thead th { text-align: left; padding: 11px 14px; font-size: 10.5px; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; border-bottom: 1px solid var(--line); }
tbody td { padding: 10px 14px; font-size: 13px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-2); }
td.bssid { font-family: var(--mono); font-size: 12px; color: var(--text-2); }
td.ssid { font-weight: 600; }
td.ssid em { color: var(--text-3); font-weight: 400; font-style: normal; }
.sec-tag { font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.sec-aberta { background: var(--bad-soft); color: var(--bad); }
.sec-wep { background: var(--warn-soft); color: var(--warn); }
.sec-wpa, .sec-wpa2, .sec-wpa3 { background: var(--ok-soft); color: var(--ok); }
.signal-bars { display: inline-flex; align-items: flex-end; gap: 1.5px; height: 14px; vertical-align: middle; margin-right: 6px; }
.signal-bars i { width: 3px; background: var(--line); border-radius: 1px; display: block; }
.signal-bars i.on { background: var(--signal); }

.empty-state { text-align: center; padding: 70px 20px; color: var(--text-2); }
.empty-state svg { color: var(--text-3); margin-bottom: 14px; }
.empty-state h2 { font-size: 17px; color: var(--text); margin-bottom: 6px; }
.empty-state p { font-size: 13.5px; max-width: 360px; margin: 0 auto; }

/* ------------------------------------------------------------ responsivo */
@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); flex-direction: row; align-items: center; overflow-x: auto; }
  .brand { padding: 4px 10px; }
  .side-title, .side-foot { display: none; }
  .list { display: flex; }
}