/* =========================================================================
   Workshop ERP — Sistema de diseño
   Dirección: el taller y el libro de registro (no la manta).
   Tintes textiles reales: índigo (tina de teñido), lana cruda, rojo granza.
   Firma: el "orillo" (selvage) — textura de urdimbre y trama en CSS puro.
   Sin fuentes externas ni estilos inline: cumple CSP `default-src 'self'`.
   ========================================================================= */

:root {
  /* --- Tintes --- */
  --indigo-900: #151E33;   /* tina profunda */
  --indigo-700: #1D2B47;
  --indigo-600: #2E4A7D;   /* acción primaria */
  --indigo-400: #5C7CB8;   /* foco / enlaces */

  /* --- Fibra --- */
  --wool-050: #F7F6F3;     /* papel */
  --wool-100: #EDEAE3;     /* lana cruda: fondo de app */
  --wool-300: #D8D2C6;     /* bordes */
  --wool-500: #A8A093;

  /* --- Tinta --- */
  --ink-900: #171B22;
  --ink-700: #3A414E;
  --ink-500: #666E7D;

  /* --- Señales --- */
  --madder: #9B2C2C;       /* rojo granza: destructivo / error */
  --verdigris: #2E6F5E;    /* cardenillo: éxito */
  --ochre: #8A6A1F;        /* ocre: advertencia */

  /* --- Escala --- */
  --sp-1: .25rem; --sp-2: .5rem;  --sp-3: .75rem; --sp-4: 1rem;
  --sp-6: 1.5rem; --sp-8: 2rem;   --sp-12: 3rem;  --sp-16: 4rem;

  --radius: 3px;           /* casi recto: herramienta, no juguete */
  --radius-lg: 5px;

  --font-ui: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
             "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;

  --shadow-card: 0 1px 2px rgba(23,27,34,.06), 0 8px 24px rgba(23,27,34,.08);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-900);
  background: var(--wool-100);
  -webkit-font-smoothing: antialiased;
}

/* =========================================================================
   FIRMA: el orillo (selvage)
   Urdimbre = líneas verticales finas. Trama = líneas horizontales.
   Se cruzan en una textura tejida, apenas perceptible.
   ========================================================================= */
.selvage {
  background-color: var(--indigo-900);
  background-image:
    repeating-linear-gradient(90deg,
      rgba(255,255,255,.045) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(0deg,
      rgba(255,255,255,.030) 0 1px, transparent 1px 7px);
}

/* La banda de orillo: el borde rematado de un tejido. */
.selvage-edge {
  background-image: repeating-linear-gradient(
    180deg,
    var(--indigo-400) 0 6px,
    var(--indigo-600) 6px 12px,
    var(--madder)     12px 14px,
    var(--indigo-600) 14px 20px
  );
}

/* =========================================================================
   TIPOGRAFÍA
   ========================================================================= */
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.015em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.2rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.eyebrow-light { color: rgba(255,255,255,.55); }

.muted { color: var(--ink-500); }
.small { font-size: .85rem; }

/* Marca: el nombre puesto como una etiqueta cosida. */
.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: .5ch;
  font-weight: 650;
  letter-spacing: -.02em;
  font-size: 1.15rem;
  color: #fff;
}
.wordmark .wordmark-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--indigo-400);
}
.wordmark-dark { color: var(--ink-900); }
.wordmark-dark .wordmark-mark { color: var(--indigo-600); }

/* =========================================================================
   ACCESO (login / reset / cambio de clave)
   Pantalla partida: el taller a la izquierda, el registro a la derecha.
   ========================================================================= */
.auth {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
}
@media (min-width: 900px) {
  .auth { grid-template-columns: 42% 58%; }
}

.auth-aside {
  position: relative;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--sp-12);
  color: #fff;
}
@media (min-width: 900px) { .auth-aside { display: flex; } }

/* El orillo corre por el canto derecho del panel. */
.auth-aside::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 4px;
}

.auth-aside-body { max-width: 34ch; }
.auth-aside-body p {
  margin: var(--sp-4) 0 0;
  color: rgba(255,255,255,.72);
  font-size: .95rem;
}

.auth-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8) var(--sp-6);
  background: var(--wool-050);
}
.auth-card { width: 100%; max-width: 380px; }
.auth-card > .eyebrow { display: block; margin-bottom: var(--sp-2); }
.auth-card h1 { margin-bottom: var(--sp-6); }

/* =========================================================================
   FORMULARIOS
   ========================================================================= */
.field { margin-bottom: var(--sp-4); }

.label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: .82rem;
  font-weight: 600;
  color: var(--ink-700);
}

.input {
  width: 100%;
  padding: .6rem .7rem;
  font: inherit;
  font-size: .95rem;
  color: var(--ink-900);
  background: #fff;
  border: 1px solid var(--wool-300);
  border-radius: var(--radius);
  transition: border-color .12s ease, box-shadow .12s ease;
}
.input:hover { border-color: var(--wool-500); }
.input:focus {
  outline: none;
  border-color: var(--indigo-600);
  box-shadow: 0 0 0 3px rgba(46,74,125,.16);
}
.input[aria-invalid="true"] {
  border-color: var(--madder);
  box-shadow: 0 0 0 3px rgba(155,44,44,.12);
}

.hint { margin-top: var(--sp-2); font-size: .78rem; color: var(--ink-500); }

.error {
  margin-top: var(--sp-2);
  font-size: .82rem;
  color: var(--madder);
}

.checkline {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: .88rem;
  color: var(--ink-700);
}
.checkline input { accent-color: var(--indigo-600); }

.formfoot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin: var(--sp-6) 0 var(--sp-4);
}

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: .6rem 1.1rem;
  font: inherit;
  font-size: .92rem;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .12s ease, border-color .12s ease;
}
.btn:focus-visible {
  outline: 2px solid var(--indigo-400);
  outline-offset: 2px;
}
.btn-primary {
  color: #fff;
  background: var(--indigo-600);
}
.btn-primary:hover { background: #263E6A; }
.btn-block { width: 100%; }

.link {
  color: var(--indigo-600);
  font-size: .86rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.link:hover { border-bottom-color: var(--indigo-400); }
.link:focus-visible { outline: 2px solid var(--indigo-400); outline-offset: 2px; }

/* --- Avisos --- */
.notice {
  padding: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-4);
  font-size: .88rem;
  border-left: 3px solid;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.notice-error   { color: #6E1F1F; background: #F7E9E9; border-color: var(--madder); }
.notice-ok      { color: #1E4C40; background: #E6F0EC; border-color: var(--verdigris); }
.notice-warn    { color: #5E4813; background: #F5EFDF; border-color: var(--ochre); }

/* =========================================================================
   PANEL (shell)
   ========================================================================= */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-3) var(--sp-6);
  color: #fff;
}
.topbar-right { display: flex; align-items: center; gap: var(--sp-4); }

.who { text-align: right; line-height: 1.25; }
.who-name { font-size: .88rem; font-weight: 600; }
.who-org  { font-size: .72rem; color: rgba(255,255,255,.55); font-family: var(--font-mono); }

.btn-ghost {
  color: rgba(255,255,255,.85);
  background: transparent;
  border-color: rgba(255,255,255,.22);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); color: #fff; }

.shell { max-width: 1180px; margin: 0 auto; padding: var(--sp-8) var(--sp-6) var(--sp-16); }

.pagehead { margin-bottom: var(--sp-8); }
.pagehead h1 { margin-top: var(--sp-1); }

.grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}

.card {
  padding: var(--sp-6);
  background: #fff;
  border: 1px solid var(--wool-300);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.card .eyebrow { display: block; margin-bottom: var(--sp-3); }

.stat {
  font-size: 1.75rem;
  font-weight: 650;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.stat-sub { margin-top: var(--sp-1); font-size: .82rem; color: var(--ink-500); }

/* Lista de estado del sistema: se lee como un libro de registro. */
.ledger { margin: 0; padding: 0; list-style: none; }
.ledger li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-3) 0;
  border-bottom: 1px dashed var(--wool-300);
}
.ledger li:last-child { border-bottom: 0; }
.ledger-key {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--ink-500);
}
.ledger-val { font-size: .9rem; font-weight: 550; font-variant-numeric: tabular-nums; }

.tag {
  display: inline-block;
  padding: .12rem .45rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 2px;
}
.tag-ok { color: #1E4C40; background: #DCEAE4; }

/* =========================================================================
   Accesibilidad
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* =========================================================================
   Utilidades mínimas
   (Existen para que NINGUNA vista necesite style="" inline: la CSP
   `default-src 'self'` bloquea los estilos inline, y no la debilitamos.)
   ========================================================================= */
.lede { margin-top: calc(var(--sp-2) * -1); }
.formfoot-tight { margin-bottom: 0; }
.stat-sm { font-size: 1.05rem; }
.mt-6 { margin-top: var(--sp-6); }

/* Botón que se ve como enlace (para acciones que requieren POST, ej. logout). */
.btn-link {
  padding: 0;
  font: inherit;
  font-size: .86rem;
  color: var(--indigo-600);
  background: none;
  border: 0;
  border-bottom: 1px solid transparent;
  cursor: pointer;
}
.btn-link:hover { border-bottom-color: var(--indigo-400); }
.btn-link:focus-visible { outline: 2px solid var(--indigo-400); outline-offset: 2px; }

/* =========================================================================
   ENTREGA 2B — segundo factor, sesiones, dispositivos
   ========================================================================= */

/* --- Navegación del panel --- */
.topbar-left { display: flex; align-items: center; gap: var(--sp-8); }

.nav { display: flex; gap: var(--sp-4); }

.nav-link {
  font-size: .88rem;
  font-weight: 550;
  color: rgba(255,255,255,.62);
  text-decoration: none;
  padding: var(--sp-1) 0;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: #fff; }
.nav-link.is-active {
  color: #fff;
  border-bottom-color: var(--indigo-400);
}
.nav-link:focus-visible { outline: 2px solid var(--indigo-400); outline-offset: 3px; }

/* --- Encabezado de tarjeta con acción a la derecha --- */
.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-6);
}
.card-desc {
  margin: var(--sp-2) 0 0;
  max-width: 62ch;
  font-size: .88rem;
  color: var(--ink-500);
}

/* --- Etiquetas de estado --- */
.tag-warn { color: #5E4813; background: #F3EAD6; }
.tag-off  { color: var(--ink-500); background: var(--wool-100); }

/* --- Código de un solo uso: números grandes y monoespaciados --- */
.input-code {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: .35em;
  text-align: center;
}

.field-narrow { max-width: 260px; }

/* --- QR del segundo factor --- */
.qr-wrap {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-6);
  flex-wrap: wrap;
  padding: var(--sp-6);
  background: var(--wool-050);
  border: 1px solid var(--wool-300);
  border-radius: var(--radius);
}
.qr {
  flex: 0 0 auto;
  padding: var(--sp-3);
  background: #fff;
  border: 1px solid var(--wool-300);
  border-radius: var(--radius);
  line-height: 0;
}
.qr svg { display: block; width: 168px; height: 168px; }
.qr-side { flex: 1 1 240px; }

.code-block {
  display: inline-block;
  margin-top: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-mono);
  font-size: .82rem;
  word-break: break-all;
  color: var(--ink-900);
  background: #fff;
  border: 1px solid var(--wool-300);
  border-radius: var(--radius);
}

/* --- Códigos de recuperación --- */
.codes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--sp-2);
  margin: var(--sp-4) 0 0;
  padding: var(--sp-4);
  list-style: none;
  background: var(--indigo-900);
  border-radius: var(--radius);
}
.codes li {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: #D5DCEA;
  user-select: all;
}

/* --- Fila de botones --- */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.btn-quiet {
  color: var(--ink-700);
  background: #fff;
  border-color: var(--wool-300);
  text-decoration: none;
}
.btn-quiet:hover { background: var(--wool-050); border-color: var(--wool-500); }

.btn-danger { color: #fff; background: var(--madder); }
.btn-danger:hover { background: #822525; }

.btn-ghost-dark {
  color: var(--ink-700);
  background: transparent;
  border-color: var(--wool-300);
}
.btn-ghost-dark:hover { background: var(--wool-100); }

/* --- Separador con texto --- */
.rule {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin: var(--sp-8) 0 var(--sp-6);
}
.rule::before, .rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--wool-300);
}
.rule span { font-size: .78rem; color: var(--ink-500); }

/* --- Utilidades --- */
.mt-4 { margin-top: var(--sp-4); }
.block { display: block; margin-top: var(--sp-1); }

.ledger li > span { display: block; }