/* Sistema Broadsheet (serif, papel, tinta) retonado con el acento Steigen.
   Excepción de marca registrada en docs/registro-decisiones.md: reemplaza
   Montserrat + paleta de tokens.css para esta fase del portal. La rampa de
   acento reusa los mismos valores hexadecimales de --steigen-blue-* de
   tokens.css; lo que cambia es la tipografía, la paleta neutra (papel/tinta)
   y el sistema de componentes (vidrio, tags, tabla, diálogo).

   Fuente: assets/mejoras diseno/design_handoff_portal_steigen/. */

@import url("https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,wght@0,400;0,600;1,400&display=swap");

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-divider: color-mix(in srgb, #201e1d 16%, transparent);

  /* Rampa de acento: valores de --steigen-blue-* (tokens.css), sin alterar. */
  --color-accent: #4c8099;
  --color-accent-100: #e5f6ff;
  --color-accent-200: #cfdee5;
  --color-accent-300: #73bfe5;
  --color-accent-400: #66aacc;
  --color-accent-500: #5995b2;
  --color-accent-600: #406a80;
  --color-accent-700: #33566b;
  --color-accent-800: #294553;
  --color-accent-900: #1f3947;
  --color-accent-2-700: #aa0b56;

  --color-neutral-100: #f8f4f4;
  --color-neutral-800: #444141;

  --font-heading: "Source Serif 4", "Georgia", serif;
  --font-heading-weight: 600;
  --font-body: "Source Serif 4", "Georgia", serif;

  --space-1: 5px;
  --space-2: 10px;
  --space-3: 15px;
  --space-4: 20px;
  --space-6: 30px;
  --space-8: 40px;

  --radius-sm: 1px;
  --radius-md: 2px;
  --radius-lg: 4px;
  --radius-surface: 14px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #201e1d 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #201e1d 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #201e1d 22%, transparent);

  /* Vidrio (claro) */
  --glass-bg: color-mix(in srgb, #ffffff 62%, transparent);
  --glass-border: color-mix(in srgb, var(--color-text) 12%, transparent);
  --glass-shadow: 0 1px 2px color-mix(in srgb, var(--color-text) 6%, transparent),
    0 18px 44px -28px color-mix(in srgb, var(--color-text) 40%, transparent);
  --glass-hi: color-mix(in srgb, #ffffff 80%, transparent);
}

:root[data-tema="oscuro"] {
  --color-bg: #1b2429;
  --color-surface: #24313a;
  --color-text: #eef3f6;
  --color-divider: color-mix(in srgb, #eef3f6 22%, transparent);

  --color-accent: #73bfe5;
  --color-accent-100: #294553;
  --color-accent-200: #33566b;
  --color-accent-300: #406a80;
  --color-accent-400: #4c8099;
  --color-accent-500: #5995b2;
  --color-accent-600: #80d4ff;
  --color-accent-700: #a9dcf2;
  --color-accent-800: #cfdee5;
  --color-accent-900: #e5f6ff;
  --color-accent-2-700: #ff90b1;

  --color-neutral-100: #2d3941;
  --color-neutral-800: #cfdee5;

  --glass-bg: color-mix(in srgb, #4a6272 26%, transparent);
  --glass-border: color-mix(in srgb, #eef3f6 14%, transparent);
  --glass-shadow: 0 1px 0 color-mix(in srgb, #ffffff 6%, transparent) inset,
    0 22px 50px -30px #000;
  --glass-hi: color-mix(in srgb, #6f93a8 34%, transparent);
}

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

/* El atributo hidden nativo pierde contra cualquier regla propia que fije
   "display" en el elemento (.btn, .dialog-backdrop, etc.): sin esto, un
   elemento oculto con hidden pero con una clase con display propio queda
   igual visible y sigue interceptando clicks. */
[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  font-weight: 400;
  background: var(--color-bg);
  color: var(--color-text);
  transition: background-color 220ms ease, color 220ms ease;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-2);
}

p {
  margin: 0 0 var(--space-3);
}

/* El acento base (--color-accent) mide ~3.9:1 sobre el papel: no alcanza AA
   como color de texto. Todo texto legible usa accent-700 (~7:1), medido; el
   acento liso queda para bordes, foco y superficies con relleno equivalente
   más un escalón (ver .btn-primary, .seg-opt más abajo). */
a {
  color: var(--color-accent-700);
  text-decoration: none;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-accent-900);
  text-decoration: underline;
}

img {
  display: block;
  max-width: 100%;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

::selection {
  background: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.text-muted {
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
}

/* Área táctil mínima (44×44, regla no negociable del sistema de marca):
   agranda el área de click/toque sin tocar el tamaño visual del control. */
.hit44 {
  position: relative;
}

.hit44::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: max(100%, 44px);
  height: max(100%, 44px);
  transform: translate(-50%, -50%);
}

/* — botones — */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 14px;
  line-height: 1.2;
  color: var(--color-text);
  background: transparent;
  border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}

.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: max(100%, 44px);
  transform: translate(-50%, -50%);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Fondo sólido un escalón más oscuro que --color-accent: la rampa liviana
   (accent/600/700) no sostiene AA con texto claro encima; medido y
   corregido para que reposo, hover y activo pasen los 4.5:1. */
.btn-primary {
  background: var(--color-accent-600);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent-700);
}

.btn-primary:active {
  background: var(--color-accent-800);
}

.btn-secondary {
  border-color: var(--color-divider);
}

.btn-secondary:hover {
  background: color-mix(in srgb, var(--color-text) 7%, transparent);
}

.btn-secondary:active {
  background: color-mix(in srgb, var(--color-text) 14%, transparent);
}

.btn-ghost {
  color: var(--color-accent-700);
  padding-inline: var(--space-1);
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
}

.btn-ghost:active {
  background: color-mix(in srgb, var(--color-accent) 18%, transparent);
}

/* — formularios — */
.field > span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
  margin-bottom: 6px;
}

.input {
  width: 100%;
  min-height: 36px;
  padding: 6px 10px;
  font: inherit;
  font-size: 14px;
  color: var(--color-text);
  caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}

.input::placeholder {
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
  opacity: 1;
}

.input:hover {
  border-color: color-mix(in srgb, var(--color-text) 45%, transparent);
}

.input:focus-visible {
  border-color: var(--color-accent);
  outline-offset: 0;
}

/* — segmentado (tema) — */
.seg {
  display: inline-flex;
  overflow: hidden;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}

.seg-opt {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
}

.seg-opt::before {
  content: "";
  position: absolute;
  inset: 0;
  height: max(100%, 44px);
  top: 50%;
  transform: translateY(-50%);
}

.seg-opt input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.seg-opt + .seg-opt {
  border-left: 1px solid var(--color-divider);
}

/* Fondo un escalón más oscuro que el acento liso, mismo motivo que .btn-primary. */
.seg-opt:has(input:checked) {
  background: var(--color-accent-700);
  color: var(--color-bg);
}

.seg-opt:not(:has(input:checked)):hover {
  background: color-mix(in srgb, var(--color-text) 7%, transparent);
}

.seg-opt:has(input:focus-visible) {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

/* — tags — */
.tag {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}

button.tag {
  font: inherit;
  cursor: pointer;
  background: none;
  border: 1px solid transparent;
}

.tag-accent {
  background: var(--color-accent-100);
  color: var(--color-accent-800);
}

.tag-neutral {
  background: var(--color-neutral-100);
  color: var(--color-neutral-800);
}

.tag-outline {
  border: 1px solid var(--color-accent);
  color: var(--color-accent-700);
  background: none;
}

button.tag-accent {
  border: 1px solid var(--color-accent);
}

/* — navegación — */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-block: 18px;
}

.nav-brand {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 18px;
  margin: 0;
}

.nav a {
  position: relative;
  color: inherit;
  text-decoration: none;
  font-size: 14px;
}

.nav a::before {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: max(100%, 44px);
  height: 44px;
  transform: translate(-50%, -50%);
}

.nav a:hover {
  color: var(--color-accent-700);
}

/* — tabla — */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
  padding: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
}

.table td {
  padding: var(--space-2);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

.table tbody tr:hover {
  background: color-mix(in srgb, var(--color-text) 4%, transparent);
}

/* — diálogo — */
.dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: color-mix(in srgb, #000000 50%, transparent);
}

.dialog {
  width: min(560px, 100%);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  animation: stgn-entra 180ms ease-out both;
}

.dialog-title {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 20px;
  margin: 0;
}

.dialog-body {
  font-size: 14px;
  opacity: 0.85;
  margin: 0;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* — superficie de vidrio — */
.vidrio {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-radius: var(--radius-surface);
}

@supports not (backdrop-filter: blur(1px)) {
  .vidrio {
    background: var(--color-surface);
  }
}

@keyframes stgn-entra {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}