/* Tokens de diseño (estilo "Flux": morado → azul, Inter, tarjetas con borde fino y radio 14px). */
:root {
  --fondo: oklch(98.5% .005 285);
  --panel: oklch(100% 0 0);
  --texto: oklch(13% .02 285);
  --muted: oklch(50% .02 285);
  --borde: oklch(93% .01 285);
  --suave: oklch(96.5% .01 285);
  --primario: oklch(55% .25 285);
  --primario-osc: oklch(48% .25 285);
  --primario-suave: oklch(95% .03 285);
  --acento: oklch(60% .2 230);
  --acento-suave: oklch(95% .03 230);
  --peligro: oklch(57.7% .245 27);
  --peligro-suave: oklch(95.5% .03 27);
  --ok: oklch(62% .17 145);
  --ok-suave: oklch(95.5% .04 145);
  --aviso: oklch(75% .175 75);
  --aviso-suave: oklch(96.5% .05 85);
  --aviso-texto: oklch(45% .12 60);
  --paso: #1a8fe3;
  --nap: #22a14a;
  --mufla: #f07a1f;
  --sidebar: oklch(99% .005 285);
  --sidebar-acento: oklch(96% .02 285);
  --degradado: linear-gradient(135deg, oklch(55% .25 285), oklch(60% .2 230));
  --radio: 14px;
  --sombra: 0 1px 3px #0000001a, 0 1px 2px -1px #0000001a;
  --sombra-alta: 0 10px 30px -8px #1e10504d;
  --fuente: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fondo: oklch(7.5% .02 285); --panel: oklch(19% .025 285); --texto: oklch(92% .01 285);
    --muted: oklch(62% .02 285); --borde: oklch(28% .025 285); --suave: oklch(23.5% .025 285);
    --primario: oklch(70% .25 285); --primario-osc: oklch(64% .25 285); --primario-suave: oklch(26% .06 285);
    --acento: oklch(65% .22 230); --acento-suave: oklch(26% .05 230);
    --peligro-suave: oklch(27% .06 27); --ok-suave: oklch(26% .05 145); --aviso-suave: oklch(28% .05 75); --aviso-texto: oklch(85% .12 80);
    --sidebar: oklch(11% .02 285); --sidebar-acento: oklch(20% .025 285);
    --sombra: 0 1px 3px #00000066; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --fondo: oklch(7.5% .02 285); --panel: oklch(19% .025 285); --texto: oklch(92% .01 285);
  --muted: oklch(62% .02 285); --borde: oklch(28% .025 285); --suave: oklch(23.5% .025 285);
  --primario: oklch(70% .25 285); --primario-osc: oklch(64% .25 285); --primario-suave: oklch(26% .06 285);
  --acento: oklch(65% .22 230); --acento-suave: oklch(26% .05 230);
  --peligro-suave: oklch(27% .06 27); --ok-suave: oklch(26% .05 145); --aviso-suave: oklch(28% .05 75); --aviso-texto: oklch(85% .12 80);
  --sidebar: oklch(11% .02 285); --sidebar-acento: oklch(20% .025 285);
  --sombra: 0 1px 3px #00000066; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font: 14px/1.5 var(--fuente); color: var(--texto); background: var(--fondo);
  -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent;
}
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: 1.5rem; font-weight: 700; } h2 { font-size: 1.1rem; font-weight: 600; } h3 { font-size: 1rem; font-weight: 600; }
a { color: var(--primario); }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.oculto { display: none !important; }
.ico { width: 18px; height: 18px; flex-shrink: 0; }

/* Formularios */
label { display: block; font-weight: 500; font-size: .85rem; margin: 0 0 12px; }
input, select, textarea {
  display: block; width: 100%; margin-top: 5px; padding: 9px 12px;
  font: inherit; color: inherit; background: var(--panel);
  border: 1px solid var(--borde); border-radius: 10px; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primario); box-shadow: 0 0 0 3px var(--primario-suave); }
input[type=checkbox] { display: inline-block; width: auto; margin: 0 8px 0 0; accent-color: var(--primario); }
textarea { min-height: 70px; resize: vertical; }
select {
  appearance: none; -webkit-appearance: none; padding-right: 34px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; background-size: 16px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 14px; font: 500 .875rem/1.2 var(--fuente);
  border: 1px solid var(--borde); border-radius: 10px; background: var(--panel); color: var(--texto);
  cursor: pointer; text-decoration: none; white-space: nowrap; transition: background .15s, filter .15s, transform .05s;
}
.btn:hover { background: var(--suave); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: default; }
.btn .ico { width: 16px; height: 16px; }
.btn-primario { background: var(--degradado); border-color: transparent; color: #fff; box-shadow: 0 4px 12px -4px oklch(55% .25 285 / .5); }
.btn-primario:hover { background: var(--degradado); filter: brightness(1.08); }
.btn-peligro { color: var(--peligro); border-color: color-mix(in oklch, var(--peligro) 40%, transparent); }
.btn-peligro:hover { background: var(--peligro-suave); }
.btn-ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-grande { width: 100%; padding: 13px; font-size: 1rem; font-weight: 600; }
.btn-chico { padding: 5px 10px; font-size: .8rem; border-radius: 8px; }

.alerta { padding: 10px 12px; border-radius: 10px; background: var(--peligro-suave); color: var(--peligro); margin-bottom: 12px; }
.aviso { padding: 10px 12px; border-radius: 10px; background: var(--aviso-suave); color: var(--aviso-texto); margin-bottom: 12px; }

/* Etiquetas */
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 99px; font-size: .75rem; font-weight: 600; color: #fff; line-height: 1.5; }
.tag-paso { background: var(--paso); } .tag-nap { background: var(--nap); } .tag-mufla { background: var(--mufla); }
.tag-bueno { background: var(--ok-suave); color: var(--ok); } .tag-malo { background: var(--peligro-suave); color: var(--peligro); }
.tag-rev { background: var(--primario-suave); color: var(--primario); } .tag-pend { background: var(--suave); color: var(--muted); }
.punto { display: inline-block; width: 10px; height: 10px; border-radius: 50%; vertical-align: middle; flex-shrink: 0; }

/* Logo */
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--texto); }
.logo-icono { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; background: var(--degradado); color: #fff; flex-shrink: 0; box-shadow: 0 4px 12px -4px oklch(55% .25 285 / .6); }
.logo-icono .ico { width: 18px; height: 18px; }
.logo-txt b { display: block; font-size: .95rem; font-weight: 700; letter-spacing: -.01em; background: var(--degradado); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.logo-txt small { display: block; font-size: .62rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); opacity: .7; }

/* Login */
body.login {
  display: grid; place-items: center; min-height: 100%; padding: 16px;
  background:
    radial-gradient(600px 400px at 15% 10%, oklch(55% .25 285 / .18), transparent 70%),
    radial-gradient(600px 400px at 85% 90%, oklch(60% .2 230 / .18), transparent 70%),
    var(--fondo);
}
.login-card { width: 100%; max-width: 380px; background: var(--panel); padding: 32px 28px; border-radius: 18px; border: 1px solid var(--borde); box-shadow: var(--sombra-alta); }
.login-card .logo { justify-content: center; margin-bottom: 22px; }
.login-card h1 { font-size: 1.35rem; text-align: center; margin-bottom: 4px; }
.login-card > p { margin: 0 0 22px; text-align: center; }
.login-card .btn-grande { margin-top: 6px; }

/* Modal */
.modal-fondo { position: fixed; inset: 0; background: oklch(13% .02 285 / .5); backdrop-filter: blur(3px); display: grid; place-items: center; z-index: 1000; padding: 16px; animation: aparecer .15s ease-out; }
.modal { background: var(--panel); border: 1px solid var(--borde); border-radius: 18px; width: 100%; max-width: 540px; max-height: 92vh; overflow: auto; padding: 22px; box-shadow: var(--sombra-alta); }
.modal-acciones { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; margin-top: 10px; }
@keyframes aparecer { from { opacity: 0; } }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 2000;
  background: oklch(20% .03 285); color: #fff; padding: 10px 18px; border-radius: 12px; box-shadow: var(--sombra-alta);
  max-width: calc(100% - 32px); text-align: center; font-weight: 500; animation: aparecer .2s ease-out;
}