/* OVERBULKING · AI OS — sistema visual dot-matrix (THOTH, 2026-10-29)
 * Fonte estética: placa "DeerFlow AIoT Dashboard" enviada pelo Neto.
 * Default = dark (a da imagem). Light = mesma gramática, tinta invertida. */

:root,
:root[data-theme="dark"] {
  --bg: #141210;
  --bg-2: #241d18;
  --lamp: rgba(236, 160, 104, .62);
  --lamp-2: rgba(236, 160, 104, .18);
  --tile: #0d0d0d;
  --tile-2: #171615;
  --tile-edge: rgba(255, 255, 255, .07);
  --ink: #efebe6;
  --ink-2: #a39d96;
  --ink-3: #6b6660;
  --dot: #ebe7e1;
  --dot-dim: rgba(235, 231, 225, .15);
  --accent: #ff4a1c;
  --accent-soft: rgba(255, 74, 28, .14);
  --ok: #5fd17a;
  --line: rgba(255, 255, 255, .08);
  --field: #0a0a0a;
  --shadow: 0 34px 60px -22px rgba(0, 0, 0, .75), 0 10px 20px rgba(0, 0, 0, .45);
  --shadow-sm: 0 10px 24px -10px rgba(0, 0, 0, .6);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #e6e0d8;
  --bg-2: #f3efe9;
  --lamp: rgba(255, 178, 124, .55);
  --lamp-2: rgba(255, 178, 124, .2);
  --tile: #f7f5f1;
  --tile-2: #fdfcfa;
  --tile-edge: rgba(255, 255, 255, .9);
  --ink: #161513;
  --ink-2: #5f5a54;
  --ink-3: #8f8981;
  --dot: #1b1a18;
  --dot-dim: rgba(27, 26, 24, .13);
  --accent: #e5400f;
  --accent-soft: rgba(229, 64, 15, .1);
  --ok: #1d9442;
  --line: rgba(0, 0, 0, .08);
  --field: #efebe5;
  --shadow: 0 34px 54px -26px rgba(92, 56, 30, .38), 0 8px 16px rgba(92, 56, 30, .1);
  --shadow-sm: 0 10px 22px -12px rgba(92, 56, 30, .3);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 760px at 8% -8%, var(--lamp), transparent 62%),
    radial-gradient(900px 640px at 100% 4%, var(--lamp-2), transparent 60%),
    linear-gradient(180deg, var(--bg-2), var(--bg) 70%);
  background-attachment: fixed;
  font-family: "Geist Mono", "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.55;
  overflow-x: hidden;
  transition: background-color .4s ease, color .4s ease;
}
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--accent); color: #fff; }

.doto { font-family: "Doto", "Geist Mono", monospace; font-weight: 800; letter-spacing: .02em; }
.mute { color: var(--ink-2); }
.faint { color: var(--ink-3); }
.acc { color: var(--accent); }
.ok { color: var(--ok); }
.up { text-transform: uppercase; letter-spacing: .08em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ponto de status */
.led { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); vertical-align: middle; box-shadow: 0 0 0 3px var(--accent-soft); }
.led.ok { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 18%, transparent); }
.led.off { background: var(--ink-3); box-shadow: none; }
.led.pulse { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.cursor::after { content: "_"; animation: blink 1s steps(1) infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- tile (a placa da imagem) ---------- */
.tile {
  position: relative;
  background: linear-gradient(180deg, var(--tile-2), var(--tile));
  border-radius: 22px;
  padding: 18px 20px 18px;
  box-shadow: var(--shadow), inset 0 1px 0 var(--tile-edge);
  overflow: hidden;
  transition: transform .35s cubic-bezier(.2, .7, .2, 1), box-shadow .35s, background .4s;
}
.tile-h { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 11px; letter-spacing: .09em; text-transform: uppercase; margin: 0 0 10px; font-weight: 500; }
.tile-h .n { color: var(--ink-2); margin-right: 8px; font-weight: 400; }
.tile-h .right { color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }
.big { font-family: "Doto", monospace; font-weight: 800; font-size: clamp(34px, 4vw, 46px); line-height: 1; letter-spacing: .02em; }
.mid { font-family: "Doto", monospace; font-weight: 800; font-size: 26px; line-height: 1.05; }
.lbl { font-size: 10.5px; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2); }
.stats { display: flex; gap: 0; margin-top: 10px; }
.stats > div { flex: 1; padding-right: 10px; }
.stats > div + div { border-left: 1px solid var(--line); padding-left: 12px; }
.stats .mid { font-size: 22px; }
.viz { display: block; width: 100%; }

.chip { display: inline-flex; align-items: center; gap: 7px; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--line); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.chip.acc { border-color: color-mix(in srgb, var(--accent) 55%, transparent); color: var(--accent); }
.chip.ok { border-color: color-mix(in srgb, var(--ok) 45%, transparent); color: var(--ok); }
.chip.solid { background: var(--accent); color: #fff; border-color: transparent; }

/* ---------- botões e campos ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 20px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--tile); color: var(--ink); text-decoration: none; cursor: pointer;
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  box-shadow: var(--shadow-sm); transition: transform .15s, border-color .2s, background .2s;
}
.btn:hover { border-color: color-mix(in srgb, var(--accent) 60%, transparent); }
.btn:active { transform: translateY(1px) scale(.99); }
.btn.primary { background: var(--accent); color: #fff; border-color: transparent; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; box-shadow: none; }
.btn.icon { padding: 0; width: 40px; height: 40px; }
.btn:focus-visible, .field:focus-visible, [tabindex]:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.field {
  width: 100%; padding: 13px 16px; border-radius: 14px;
  border: 1px solid var(--line); background: var(--field); color: var(--ink);
  font-size: 14px; outline: none; transition: border-color .2s;
}
.field:focus { border-color: var(--accent); }
.field::placeholder { color: var(--ink-3); }

/* alternador de tema: dois pontos, o aceso é o tema ativo */
.theme-toggle { width: 58px; height: 30px; border-radius: 999px; border: 1px solid var(--line); background: var(--tile); position: relative; cursor: pointer; padding: 0; box-shadow: var(--shadow-sm); }
.theme-toggle::before { content: ""; position: absolute; top: 4px; left: 4px; width: 20px; height: 20px; border-radius: 50%; background: var(--accent); transition: transform .35s cubic-bezier(.3, 1.4, .5, 1); }
:root[data-theme="light"] .theme-toggle::before { transform: translateX(28px); }
.theme-toggle span { position: absolute; top: 50%; transform: translateY(-50%); font-size: 9px; letter-spacing: .08em; color: var(--ink-3); }
.theme-toggle .d { right: 8px; }
.theme-toggle .l { left: 8px; }
:root[data-theme="light"] .theme-toggle .d { opacity: 0; }
:root[data-theme="dark"] .theme-toggle .l, :root:not([data-theme]) .theme-toggle .l { opacity: 0; }

/* toast */
.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 10px; z-index: 90; max-width: min(360px, calc(100vw - 32px)); }
.toast { background: var(--tile); border-radius: 16px; padding: 12px 16px; box-shadow: var(--shadow); font-size: 12.5px; display: flex; gap: 10px; align-items: flex-start; animation: tin .35s cubic-bezier(.2, .8, .2, 1); border: 1px solid var(--line); }
@keyframes tin { from { transform: translateY(12px); opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}