/* Clasificadora de Huevos — dashboard styles (Fase 5, tema claro por defecto).
   Un solo archivo, sin CDN, servido por FastAPI StaticFiles.
   Variables CSS en :root (tema claro, valor por defecto) con override en
   [data-theme="dark"] — el atributo lo pone el script inline de base.html
   (localStorage, sin depender de prefers-color-scheme: ver requerimiento
   de UI, el operario prefiere claro por defecto incluso en telefonos con
   modo oscuro del sistema). */

* {
  box-sizing: border-box;
}

:root {
  --color-bg: #f7f5f0;
  --color-surface: #ffffff;
  --color-surface-alt: #f1ede4;
  --color-text: #2b2620;
  --color-text-muted: #5f584d;
  --color-border: #e2dccf;
  --color-primary: #3d2b1f;
  --color-primary-text: #ffffff;
  --color-accent: #8a4a1e;
  --color-error-bg: #fbeaea;
  --color-error-text: #a4222c;
  --color-success: #1e7d32;
  --color-danger: #a4222c;
  --shadow-card: 0 1px 3px rgba(43, 38, 32, 0.1);
  --focus-ring: 0 0 0 3px rgba(138, 74, 30, 0.35);
}

:root[data-theme="dark"] {
  --color-bg: #1c1a17;
  --color-surface: #29241d;
  --color-surface-alt: #221f19;
  --color-text: #eae5dc;
  --color-text-muted: #a89f92;
  --color-border: #3a342c;
  --color-primary: #4a3527;
  --color-primary-text: #ffffff;
  --color-accent: #e0a458;
  --color-error-bg: #3a1f21;
  --color-error-text: #f2a3a9;
  --color-success: #6fcf7d;
  --color-danger: #f2a3a9;
  --shadow-card: none;
  --focus-ring: 0 0 0 3px rgba(224, 164, 88, 0.4);
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background: var(--color-bg);
  color: var(--color-text);
}

h1, h2, h3 {
  line-height: 1.25;
}

h1 {
  font-size: 1.5rem;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.75rem;
}

a {
  color: var(--color-accent);
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 0.3rem;
}

/* ---------------------------------------------------------------------
   Nav
--------------------------------------------------------------------- */

header.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  padding: 0.6rem 0.75rem;
  background: var(--color-primary);
  color: var(--color-primary-text);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.nav a,
header.nav button.enlace-nav {
  color: var(--color-primary-text);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.55rem 0.7rem;
  border-radius: 0.4rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
}

header.nav a.activo {
  background: rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

header.nav .separador-derecha {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

header.nav form.salir {
  margin: 0;
}

header.nav button.salir {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--color-primary-text);
  cursor: pointer;
  font: inherit;
  padding: 0.5rem 0.75rem;
  border-radius: 0.4rem;
  min-height: 44px;
}

.boton-tema {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--color-primary-text);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 0.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------------------------------------------------------------------
   Layout general
--------------------------------------------------------------------- */

main {
  padding: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

footer {
  text-align: center;
  padding: 1.5rem 1rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ---------------------------------------------------------------------
   Tarjetas / KPIs
--------------------------------------------------------------------- */

.tarjetas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 520px) {
  .tarjetas {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

.tarjeta {
  background: var(--color-surface);
  border-radius: 0.6rem;
  padding: 0.9rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.tarjeta .valor {
  font-size: 1.6rem;
  font-weight: 700;
  word-break: break-word;
}

.tarjeta .etiqueta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.grafico-caja {
  background: var(--color-surface);
  border-radius: 0.6rem;
  padding: 0.9rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  overflow-x: auto;
}

.grafico-caja h2 {
  margin-top: 0;
  font-size: 1rem;
}

canvas {
  max-width: 100%;
}

/* ---------------------------------------------------------------------
   Tablas — envueltas en .tabla-scroll para scroll horizontal en telefono
--------------------------------------------------------------------- */

.tabla-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: 0.6rem;
  background: var(--color-surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 480px;
}

th, td {
  text-align: left;
  padding: 0.6rem 0.6rem;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

th {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr:last-child td {
  border-bottom: none;
}

/* ---------------------------------------------------------------------
   Formularios
--------------------------------------------------------------------- */

form.formulario {
  display: grid;
  gap: 0.7rem;
  max-width: 420px;
  margin-bottom: 1.25rem;
}

form.formulario label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.95rem;
  font-weight: 600;
}

input, select, button {
  font-family: inherit;
}

input, select {
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: 0.4rem;
  font-size: 1rem;
  min-height: 44px;
  background: var(--color-surface);
  color: var(--color-text);
}

input:focus, select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--focus-ring);
}

button.principal {
  background: var(--color-primary);
  color: var(--color-primary-text);
  border: none;
  padding: 0.7rem 1.1rem;
  border-radius: 0.4rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  justify-self: start;
  min-height: 44px;
  min-width: 44px;
}

button.principal:hover {
  filter: brightness(1.08);
}

button.secundario {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 0.55rem 0.9rem;
  border-radius: 0.4rem;
  font-size: 0.9rem;
  cursor: pointer;
  min-height: 44px;
}

/* ---------------------------------------------------------------------
   Listas simples (usuarios, dispositivos, ajustes del dia)
--------------------------------------------------------------------- */

ul.lista-simple {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

ul.lista-simple li {
  padding: 0.65rem 0.2rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

ul.lista-simple li:last-child {
  border-bottom: none;
}

/* ---------------------------------------------------------------------
   Estados / mensajes
--------------------------------------------------------------------- */

.error {
  color: var(--color-error-text);
  background: var(--color-error-bg);
  padding: 0.65rem 0.8rem;
  border-radius: 0.4rem;
  margin-bottom: 1rem;
}

.badge-en-linea {
  color: var(--color-success);
  font-weight: 600;
}

.badge-fuera-linea {
  color: var(--color-danger);
  font-weight: 600;
}

/* ---------------------------------------------------------------------
   Login
--------------------------------------------------------------------- */

.login-envoltura {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.login-tarjeta {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.8rem;
  box-shadow: var(--shadow-card);
  padding: 2rem 1.75rem;
  width: 100%;
  max-width: 380px;
}

.login-marca {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-marca .huevo {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.4rem;
}

.login-marca h1 {
  font-size: 1.3rem;
  margin: 0;
}

.login-tarjeta form.formulario {
  max-width: none;
  margin-bottom: 0;
}

.login-tarjeta button.principal {
  justify-self: stretch;
  text-align: center;
}

.login-tema {
  position: fixed;
  top: 0.75rem;
  right: 0.75rem;
}

.login-tema .boton-tema {
  border-color: var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
}