/* El atributo hidden debe ganarle a cualquier regla display de autor (ej. .modal
   usa display:grid, que sin esto anula el hidden y el modal nunca se oculta). */
[hidden] { display: none !important; }

/* Familias del sistema visual de FS, alojadas en el portal para que la interfaz
   conserve su identidad aun cuando la sala queda sin Internet. */
@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/source-sans-3-variable-latin.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Oswald";
  src: url("../fonts/oswald-variable-latin.woff2") format("woff2");
  font-weight: 200 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-500-latin.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-600-latin.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-700-latin.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---- tokens ----
   Mismos papeles visuales que FS: fondo calido, banda oscura y azul de accion.
   Verde, ambar y rojo se reservan para estados. */
:root {
  color-scheme: light dark;
  --band: #101826;
  --surface: #ffffff;
  --surface-2: #f8f7f4;
  --bg: #f1f0ec;
  --line: #e2ded5;
  --line-strong: #ccc7bd;
  --txt: #14181f;
  --muted: #57534c;
  --accent: #1a3fa8;
  --accent-hover: #2856cc;
  --accent-txt: #1d4ed8;
  --accent-soft: #e7ecfb;
  --accent-band: #7fb0ff;
  --on-accent: #ffffff;
  --ok: #177244;
  --warn: #8a5a00;
  --err: #b3261e;
  --ok-txt: #177244;
  --warn-txt: #8a5a00;
  --err-txt: #b3261e;
  --inverse: #101826;
  --on-inverse: #ffffff;
  --overlay: rgba(7, 12, 19, .58);
  --shadow: 0 1px 2px rgba(20, 24, 31, .05);
  --shadow-float: 0 12px 32px rgba(20, 24, 31, .18), 0 2px 6px rgba(20, 24, 31, .1);
  --radius: 4px;
  --radius-sm: 3px;
  --test-bar: #b3261e;
  /* Alto de la franja de entorno (solo APP_ENV=test/staging). */
  --env-bar-h: 20px;
  --font: "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Oswald", "Arial Narrow", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

/* Tema: el boton de la barra fija data-tema en <html> (base.js). Claro es el
   predeterminado (los tokens de :root); oscuro solo si el operador lo elige. No se
   sigue al dispositivo: el tercer boton "del dispositivo" se veia igual a uno de los
   otros dos y parecia roto. */
:root[data-tema="claro"] { color-scheme: light; }
:root[data-tema="oscuro"] {
  color-scheme: dark;
  --band: #070c13;
  --bg: #0d1219;
  --surface: #151d28;
  --surface-2: #1b2532;
  --line: #29333f;
  --line-strong: #3a4654;
  --txt: #e9edf3;
  --muted: #9fabbb;
  --accent: #2d62e0;
  --accent-hover: #3f70e0;
  --accent-txt: #7fb0ff;
  --accent-soft: #16233a;
  --accent-band: #7fb0ff;
  --on-accent: #ffffff;
  --ok: #5cc98d;
  --warn: #e5aa4a;
  --err: #f28b83;
  --ok-txt: #5cc98d;
  --warn-txt: #e5aa4a;
  --err-txt: #f28b83;
  --inverse: #e9edf3;
  --on-inverse: #0d1219;
  --overlay: rgba(0, 0, 0, .6);
  --shadow: 0 1px 2px rgba(0, 0, 0, .35);
  --shadow-float: 0 12px 32px rgba(0, 0, 0, .5), 0 2px 6px rgba(0, 0, 0, .3);
  --test-bar: #b3261e;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--txt);
  font: 15px/1.5 var(--font);
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  accent-color: var(--accent);
  caret-color: var(--accent);
}
::selection { background: color-mix(in srgb, var(--accent) 24%, transparent); color: inherit; }
* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
button, input, select, textarea { font-family: inherit; }
a { color: var(--accent-txt); text-underline-offset: 3px; }
b, strong { font-weight: 600; }
h1, h2, h3 { text-wrap: balance; }
h1, h2, h3 {
  margin-top: 0;
  font-family: var(--font-display);
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: .01em;
}

/* Iconos del sprite static/img/iconos.svg. El trazo se hereda al <use>. */
.ico {
  width: 18px; height: 18px; flex: 0 0 auto;
  fill: none; stroke: currentColor; stroke-width: 1.75;
  stroke-linecap: round; stroke-linejoin: round;
}

/* Solo APP_ENV=test/staging: mantiene visible que no se esta en produccion. */
body.is-test-environment { padding-top: var(--env-bar-h); }
.test-environment-bar {
  position: fixed; inset: 0 0 auto; height: var(--env-bar-h);
  background: var(--test-bar); z-index: 100;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 12px; font-weight: 600; letter-spacing: .04em;
}
body.is-test-environment .topbar { top: var(--env-bar-h); }

.brand { font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: .05em; color: #fff; display: flex; align-items: baseline; gap: 8px; min-width: 0; white-space: nowrap; }
.brand-sala { color: rgba(255, 255, 255, .8); font-weight: 500; overflow: hidden; text-overflow: ellipsis; }
.brand-sala::before { content: "/"; margin-right: 8px; color: rgba(255, 255, 255, .3); }
.brand-sub { color: var(--muted); margin: 4px 0 18px; }
.muted { color: var(--muted); }

/* ---- topbar ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 0 18px; min-height: 56px; border-bottom: 3px solid var(--accent);
  position: sticky; top: 0; background: var(--band); color: #fff; box-shadow: var(--shadow);
  z-index: 5; padding-top: env(safe-area-inset-top);
}
.topbar-right { display: flex; align-items: center; gap: 6px; }
.user-chip { color: rgba(255, 255, 255, .8); font-size: 13px; }
.tema { display: inline-flex; border: 1px solid rgba(255, 255, 255, .22); border-radius: var(--radius-sm); overflow: hidden; margin-right: 4px; }
.tema-btn {
  appearance: none; border: 0; background: transparent; color: rgba(255, 255, 255, .72); cursor: pointer;
  width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
}
.tema-btn + .tema-btn { border-left: 1px solid rgba(255, 255, 255, .16); }
.tema-btn:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.tema-btn[aria-pressed="true"] { background: rgba(255, 255, 255, .15); color: #fff; }
.tema-btn:focus-visible { outline: 2px solid #fff; outline-offset: -2px; }
.tema-btn .ico { width: 17px; height: 17px; }
.logout-form { margin: 0; }
.topbar .btn-ghost { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .22); color: #fff; }
.topbar .btn-ghost:hover { background: rgba(255, 255, 255, .2); border-color: rgba(255, 255, 255, .3); }

.wrap { max-width: 1040px; margin: 0 auto; padding: 20px 18px 40px; }

/* ---- botones ---- */
.btn {
  appearance: none; border: 1px solid var(--line-strong); background: var(--surface);
  color: var(--txt); padding: 9px 14px; border-radius: var(--radius-sm); font-size: 14px;
  cursor: pointer; font-weight: 550; min-height: 44px; line-height: 1.4; text-decoration: none;
  transition: background-color .15s ease-out, border-color .15s ease-out, color .15s ease-out;
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
}
.btn:hover { background: var(--surface-2); border-color: var(--line-strong); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:disabled:hover { border-color: var(--line-strong); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-primary:active { background: var(--accent-hover); }
.btn-primary:disabled:hover { border-color: var(--accent); }
.btn-ghost { background: var(--surface); }
.btn-danger { background: var(--err); border-color: var(--err); color: #fff; }
.btn-danger:hover { filter: brightness(.9); border-color: transparent; }
.btn-icon { min-height: 44px; min-width: 44px; padding: 10px; flex: 0 0 auto !important; }
.btn-icon .ico { width: 19px; height: 19px; }

.toolbar { display: flex; gap: 10px; margin: 0 0 16px; flex-wrap: wrap; }
.toolbar .btn { flex: 1 1 auto; }
/* "Agregar placa" quedo solo en su barra: sin esto el flex:1 1 auto de arriba lo
   estiraba a los 900px del contenedor. Se ajusta al texto (la regla es solo para el,
   la barra de usuarios sigue repartiendo sus dos botones a lo ancho). */
#btn-scan { flex: 0 0 auto; }

/* ---- login ---- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 18px; align-content: center; gap: 12px; }
body.is-test-environment .login-wrap { min-height: calc(100vh - var(--env-bar-h)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.login-card { width: min(380px, 100%); padding: 30px 28px 34px; }
.login-card .brand { justify-content: center; color: var(--txt); font-size: 20px; margin-bottom: 4px; }
.login-card .brand-sala { color: var(--muted); }
.login-card .brand-sala::before { color: var(--line-strong); }
.login-card .brand-sub { text-align: center; font-size: 13px; margin: 5px 0 20px; }
.login-card label { display: block; margin: 12px 0 4px; color: var(--muted); font-size: 13px; font-weight: 600; }
.login-card input {
  width: 100%; padding: 9px 10px; border-radius: var(--radius-sm); border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--txt); font-size: 15px; margin-top: 4px;
}
.login-card input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); box-shadow: none; }
.login-card .btn { width: 100%; margin-top: 20px; }
.login-wrap > .alert { width: min(360px, 100%); margin: 0; }
.login-theme { position: fixed; top: 34px; right: 16px; background: var(--surface); border-color: var(--line-strong); }
.login-theme .tema-btn { color: var(--muted); }
.login-theme .tema-btn + .tema-btn { border-left-color: var(--line); }
.login-theme .tema-btn:hover { color: var(--txt); background: var(--surface-2); }
.login-theme .tema-btn[aria-pressed="true"] { color: var(--txt); background: var(--surface-2); }
.login-theme .tema-btn:focus-visible { outline-color: var(--accent); }
body:not(.is-test-environment) .login-theme { top: 14px; }

/* ---- alertas: marca de estado a la izquierda, texto sin color de fondo fuerte ---- */
.alert {
  display: flex; gap: 10px; align-items: baseline;
  padding: 11px 14px; border-radius: var(--radius-sm); margin: 10px 0; font-size: 14px;
  background: var(--surface); border: 1px solid var(--line-strong); color: var(--txt);
}
.alert::before { content: ""; flex: 0 0 8px; height: 8px; border-radius: 50%; transform: translateY(-1px); }
.alert-error { border-color: color-mix(in srgb, var(--err) 45%, var(--line)); }
.alert-error::before { background: var(--err); }
.alert-warn { border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); }
.alert-warn::before { background: var(--warn); }

/* Icono de operacion en curso: gira; con movimiento reducido queda quieto. */
@keyframes girar { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .i-busy { animation: none !important; } }