/* ==========================================================================
   Kompa · estilos del prototipo
   Mobile-first, tema oscuro, sin dependencias externas.
   ========================================================================== */

:root {
  /* Color: base */
  --color-bg: #0B0F14;
  --color-surface: #141A22;
  --color-surface-2: #1C242E;
  --color-surface-3: #26303C;
  --color-border: #2C3744;
  --color-text: #F2F5F8;
  --color-text-2: #A3AFBC;
  --color-text-3: #7C8896;

  /* Color: acento y estados */
  --color-accent: #C6FF3D;
  --color-accent-strong: #D8FF7A;
  --color-accent-ink: #0B0F14;
  --color-success: #3DDC97;
  --color-warning: #FFB547;
  --color-error: #FF6B6B;
  --color-info: #5AB0FF;
  --color-sponsored: #E8C468;

  /* Color: deportes (siempre acompañados de letra o texto) */
  --sport-run: #FF8A50;
  --sport-swim: #48C2FF;
  --sport-bike: #C6FF3D;
  --sport-other: #B99BFF;

  /* Tipografía */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-display: "SF Pro Display", "Segoe UI Variable Display", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --leading: 1.5;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;

  /* Radios */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.35);
  --shadow-md: 0 8px 24px rgb(0 0 0 / 0.35);
  --shadow-lg: 0 16px 40px rgb(0 0 0 / 0.5);
  --shadow-accent: 0 10px 28px rgb(198 255 61 / 0.28);

  /* Layout */
  --tap: 44px;
  --header-h: 60px;
  --nav-h: 64px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --content-max: 1180px;
  --focus-ring: 0 0 0 3px var(--color-bg), 0 0 0 5px var(--color-accent);

  /* Movimiento */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 220ms;

  color-scheme: dark;
}

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

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

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: var(--leading);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, p { margin: 0; }

a { color: inherit; }

button, input, select, textarea { font: inherit; color: inherit; }

a, button, select, input, textarea, label, summary, [role="button"] {
  -webkit-tap-highlight-color: transparent;
}

button { cursor: pointer; }

:focus-visible { outline: none; box-shadow: var(--focus-ring); }

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed;
  top: var(--space-2); left: var(--space-2);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: calc(var(--header-h) + var(--safe-top));
  padding: var(--safe-top) var(--space-4) 0;
  background: rgb(11 15 20 / 0.86);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid rgb(44 55 68 / 0.6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--tap);
  padding-right: var(--space-2);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-accent);
}
.brand__mark { width: 30px; height: 30px; }
.brand__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.header-actions { display: flex; align-items: center; gap: var(--space-2); }

.icon-btn {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: var(--tap);
  height: var(--tap);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.icon-btn:hover { background: var(--color-surface-2); }
.icon-btn svg { width: 22px; height: 22px; }
.icon-btn__badge {
  position: absolute;
  top: 8px; right: 9px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-surface);
}

/* --------------------------------------------------------------------------
   Avatares
   -------------------------------------------------------------------------- */
.avatar {
  --avatar-hue: 200;
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 25%, hsl(var(--avatar-hue) 70% 62%), hsl(calc(var(--avatar-hue) + 40) 60% 34%));
  color: #fff;
  font-weight: 800;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  text-decoration: none;
  text-shadow: 0 1px 2px rgb(0 0 0 / 0.35);
}
.avatar--sm { width: var(--tap); height: var(--tap); font-size: var(--text-xs); }
.avatar--lg { width: 72px; height: 72px; font-size: var(--text-xl); }
.avatar--me {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  text-shadow: none;
}

/* --------------------------------------------------------------------------
   Contenedor y vistas
   -------------------------------------------------------------------------- */
main {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-4) var(--space-4) calc(var(--nav-h) + var(--safe-bottom) + 96px);
}
main:focus { outline: none; }

.view { animation: view-in 320ms var(--ease) both; }
@keyframes view-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.page-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.page-title:focus { outline: none; }

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 750;
  letter-spacing: -0.01em;
}

.lead { margin-top: var(--space-2); color: var(--color-text-2); max-width: 60ch; }

.eyebrow {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-3);
}

.view-head { display: flex; align-items: center; gap: var(--space-3); }

.back-btn {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: var(--tap);
  height: var(--tap);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.back-btn svg { width: 22px; height: 22px; }

/* --------------------------------------------------------------------------
   Etiquetas
   -------------------------------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.5;
  white-space: nowrap;
}
.tag--muted { background: var(--color-surface-3); color: var(--color-text-2); }
.tag--accent { background: rgb(198 255 61 / 0.14); color: var(--color-accent); }
.tag--success { background: rgb(61 220 151 / 0.14); color: var(--color-success); }
.tag--sponsored {
  background: rgb(232 196 104 / 0.14);
  color: var(--color-sponsored);
  border: 1px solid rgb(232 196 104 / 0.35);
}

.sport-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px 3px 4px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-3);
  font-size: var(--text-xs);
  font-weight: 750;
}
.sport-tag__icon {
  display: inline-grid;
  place-items: center;
  width: 20px; height: 20px;
  border-radius: 50%;
  color: var(--color-accent-ink);
}
.sport-tag__icon svg { width: 13px; height: 13px; }

.sport--run { --sport: var(--sport-run); }
.sport--swim { --sport: var(--sport-swim); }
.sport--bike { --sport: var(--sport-bike); }
.sport--other { --sport: var(--sport-other); }
.sport-tag__icon { background: var(--sport, var(--color-accent)); }

/* --------------------------------------------------------------------------
   Inicio
   -------------------------------------------------------------------------- */
.demo-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: rgb(90 176 255 / 0.1);
  border: 1px solid rgb(90 176 255 / 0.3);
  color: #CFE6FF;
  font-size: var(--text-sm);
}
.demo-banner svg { flex: none; width: 18px; height: 18px; margin-top: 2px; color: var(--color-info); }

.home-layout { display: grid; gap: var(--space-6); }
.home-layout__side { display: grid; gap: var(--space-5); align-content: start; min-width: 0; }
.home-layout__feed { min-width: 0; }

.location-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.location-card__info { min-width: 0; }
.location-card__label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-sm);
}

/* Filtros */
.filters { display: grid; gap: var(--space-4); }

.chip-group { margin: 0; padding: 0; border: 0; min-width: 0; }
.chip-row {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding: 4px 4px 6px;
  margin: 0 -4px;
  scrollbar-width: none;
}
.chip-row::-webkit-scrollbar { display: none; }

.chip {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--tap);
  padding: 0 var(--space-4) 0 var(--space-3);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-2);
  font-weight: 650;
  font-size: var(--text-sm);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform 120ms var(--ease);
}
.chip:hover { color: var(--color-text); border-color: var(--color-surface-3); }
.chip:active { transform: scale(0.97); }
.chip svg { width: 18px; height: 18px; }
.chip__check { display: none; }
.chip[aria-pressed="true"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}
.chip[aria-pressed="true"] .chip__check { display: inline; }

.filter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.filter-grid__wide { grid-column: 1 / -1; }

/* Campos */
.field { display: grid; gap: var(--space-2); min-width: 0; margin: 0; padding: 0; border: 0; }
.field-label { font-size: var(--text-sm); font-weight: 700; color: var(--color-text); padding: 0; }
.field-hint { font-size: var(--text-xs); color: var(--color-text-2); }
.field-error {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-error);
}
.field-error::before { content: "⚠"; flex: none; }
.req { color: var(--color-accent); }
.optional { color: var(--color-text-3); font-weight: 500; }

input[type="text"], input[type="number"], input[type="date"], input[type="time"], select, textarea {
  width: 100%;
  min-height: var(--tap);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-md);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
input::placeholder, textarea::placeholder { color: var(--color-text-3); }
input:hover, select:hover, textarea:hover { border-color: var(--color-surface-3); }
input:focus-visible, select:focus-visible, textarea:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-surface-2);
}
textarea { resize: vertical; min-height: 88px; }
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] {
  border-color: var(--color-error);
  background: rgb(255 107 107 / 0.06);
}
input::-webkit-calendar-picker-indicator { filter: invert(0.85); cursor: pointer; }

.select-wrap { position: relative; min-width: 0; }
.select-wrap select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: var(--space-10);
  text-overflow: ellipsis;
}
.select-wrap::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 8px; height: 8px;
  margin-top: -6px;
  border-right: 2px solid var(--color-text-2);
  border-bottom: 2px solid var(--color-text-2);
  transform: rotate(45deg);
  pointer-events: none;
}
.select-wrap--compact select {
  min-height: var(--tap);
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
  font-weight: 650;
  background: var(--color-surface-2);
}

/* Mapa simulado */
.map-card {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.map-card__canvas { position: relative; aspect-ratio: 360 / 240; }
.map-card__canvas svg { width: 100%; height: 100%; }
.map-card__caption {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-2);
  border-top: 1px solid var(--color-border);
}
.map-legend { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.dot {
  display: inline-grid;
  place-items: center;
  width: 16px; height: 16px;
  border-radius: 50%;
  font-size: 9px;
  font-weight: 800;
  color: var(--color-accent-ink);
}
.dot--run { background: var(--sport-run); }
.dot--swim { background: var(--sport-swim); }
.dot--bike { background: var(--sport-bike); }
.dot--other { background: var(--sport-other); }

.map-marker { cursor: pointer; outline: none; }
.map-marker__pin { transition: transform var(--dur) var(--ease); transform-box: fill-box; transform-origin: 50% 100%; }
.map-marker:hover .map-marker__pin,
.map-marker:focus-visible .map-marker__pin { transform: scale(1.18); }
.map-marker:focus-visible .map-marker__ring { stroke: var(--color-accent); stroke-width: 3; }
.map-pulse { animation: pulse 2.4s var(--ease) infinite; transform-box: fill-box; transform-origin: center; }
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 0.7; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Feed */
.feed-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.feed-count { font-size: var(--text-sm); color: var(--color-text-2); }
.feed-head__meta { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 0 var(--space-3); }

.link-btn {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  padding: 0 var(--space-1);
  border: 0;
  background: none;
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--text-sm);
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 3px;
  border-radius: var(--radius-sm);
}
.form-errors .link-btn { color: inherit; font-weight: 600; }
.field-hint a { color: var(--color-accent); font-weight: 700; }

.feed { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }

.card {
  position: relative;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover { border-color: var(--color-surface-3); box-shadow: var(--shadow-md); }
.card--mine { border-color: rgb(198 255 61 / 0.45); background: linear-gradient(180deg, rgb(198 255 61 / 0.06), transparent 60%), var(--color-surface); }
.card--flash { animation: flash 1.6s var(--ease); }
@keyframes flash {
  0%, 30% { box-shadow: 0 0 0 3px var(--color-accent), var(--shadow-accent); }
  100% { box-shadow: none; }
}

.card__top { display: flex; align-items: center; gap: var(--space-3); min-width: 0; }
.card__who { min-width: 0; flex: 1; }
.card__name {
  font-weight: 750;
  font-size: var(--text-md);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card__sub { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-top: 2px; }

.affinity {
  flex: none;
  display: grid;
  justify-items: center;
  min-width: 56px;
  padding: 6px 8px;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  text-align: center;
}
.affinity__value { font-family: var(--font-display); font-weight: 800; font-size: var(--text-lg); line-height: 1.1; }
.affinity__label { font-size: 10px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-3); }
.affinity--high .affinity__value { color: var(--color-accent); }
.affinity--mid .affinity__value { color: var(--color-warning); }
.affinity--low .affinity__value { color: var(--color-text-2); }

.card__goal {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2) var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
}
.meta-list li { display: flex; align-items: flex-start; gap: 6px; min-width: 0; color: var(--color-text-2); }
.meta-list li span { min-width: 0; overflow-wrap: anywhere; }
.meta-list svg { flex: none; width: 16px; height: 16px; margin-top: 2px; color: var(--color-text-3); }
.meta-list strong { color: var(--color-text); font-weight: 650; }
.sample-note { color: var(--color-text-3); font-size: var(--text-xs); }

.card__note { font-size: var(--text-sm); color: var(--color-text-2); font-style: italic; }

.card__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.card__actions .btn { flex: 1 1 140px; }

.card__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-success);
}

/* Anuncio */
.card--ad {
  background:
    repeating-linear-gradient(135deg, rgb(232 196 104 / 0.04) 0 10px, transparent 10px 20px),
    var(--color-surface);
  border: 1px dashed rgb(232 196 104 / 0.45);
}
.ad__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
.ad__brand { display: flex; align-items: center; gap: var(--space-3); }
.ad__logo {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #2BD4C4, #1A6FD8);
  color: #fff;
  font-weight: 900;
}
.ad__title { font-weight: 750; }
.ad__text { font-size: var(--text-sm); color: var(--color-text-2); }
.ad__disclaimer { font-size: var(--text-xs); color: var(--color-text-3); }

/* Estado vacío */
.empty {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-border);
  text-align: center;
  color: var(--color-text-2);
}
.empty svg { width: 48px; height: 48px; color: var(--color-text-3); }
.empty__title { color: var(--color-text); font-weight: 750; font-size: var(--text-lg); }

/* --------------------------------------------------------------------------
   Botones
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--tap);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 750;
  font-size: var(--text-sm);
  text-decoration: none;
  text-align: center;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform 120ms var(--ease), box-shadow var(--dur) var(--ease);
}
.btn:active { transform: scale(0.98); }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primary { background: var(--color-accent); color: var(--color-accent-ink); }
.btn--primary:hover { background: var(--color-accent-strong); box-shadow: var(--shadow-accent); }
.btn--secondary { background: var(--color-surface-2); border-color: var(--color-border); color: var(--color-text); }
.btn--secondary:hover { background: var(--color-surface-3); }
.btn--ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn--ghost:hover { background: var(--color-surface); }
.btn--block { width: 100%; }
.btn--lg { min-height: 52px; font-size: var(--text-md); }
.btn[aria-pressed="true"] {
  background: rgb(61 220 151 / 0.14);
  border-color: rgb(61 220 151 / 0.5);
  color: var(--color-success);
}

/* Botón flotante */
.fab {
  position: fixed;
  right: max(var(--space-4), calc((100vw - var(--content-max)) / 2 + var(--space-4)));
  bottom: calc(var(--nav-h) + var(--safe-bottom) + var(--space-4));
  z-index: 35;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 56px;
  padding: 0 var(--space-5) 0 var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-weight: 800;
  text-decoration: none;
  box-shadow: var(--shadow-accent), var(--shadow-md);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.fab svg { width: 22px; height: 22px; }
.fab:hover { transform: translateY(-2px); }
.fab.is-hidden { opacity: 0; transform: translateY(20px) scale(0.9); pointer-events: none; visibility: hidden; }

/* Navegación inferior */
.bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: var(--space-1) var(--space-2) calc(var(--space-1) + var(--safe-bottom));
  background: rgb(20 26 34 / 0.94);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-top: 1px solid var(--color-border);
}
.bottom-nav__item {
  position: relative;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 2px;
  min-height: 56px;
  min-width: var(--tap);
  border-radius: var(--radius-md);
  color: var(--color-text-3);
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.bottom-nav__item svg { width: 24px; height: 24px; }
.bottom-nav__item:hover { color: var(--color-text-2); }
.bottom-nav__item[aria-current="page"] { color: var(--color-accent); }
.bottom-nav__item[aria-current="page"]::before {
  content: "";
  position: absolute;
  top: 2px;
  width: 22px; height: 3px;
  border-radius: 3px;
  background: var(--color-accent);
}
.bottom-nav__count {
  position: absolute;
  top: 6px;
  left: calc(50% + 6px);
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: 10px;
  font-weight: 800;
  line-height: 18px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   Formularios (Publicar y propuesta)
   -------------------------------------------------------------------------- */
.form { display: grid; gap: var(--space-5); margin-top: var(--space-5); max-width: 640px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.input-pair { display: grid; grid-template-columns: 1fr 130px; gap: var(--space-2); }

.segmented { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2); }
.segmented__option { position: relative; }
.segmented__option input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}
.segmented__option label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 52px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-weight: 700;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.segmented__option label .sport-tag__icon { width: 28px; height: 28px; }
.segmented__option label .sport-tag__icon svg { width: 16px; height: 16px; }
.segmented__option label::after {
  content: "";
  margin-left: auto;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-surface-3);
}
.segmented__option input:checked + label {
  border-color: var(--color-accent);
  background: rgb(198 255 61 / 0.08);
}
.segmented__option input:checked + label::after {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: inset 0 0 0 3px var(--color-surface);
}
.segmented__option input:focus-visible + label { box-shadow: var(--focus-ring); }
.segmented--invalid .segmented__option label { border-color: rgb(255 107 107 / 0.6); }

.segmented--text { grid-template-columns: repeat(3, 1fr); }
.segmented--text .segmented__option label { justify-content: center; min-height: var(--tap); text-align: center; }
.segmented--text .segmented__option label::after { display: none; }

.form-actions {
  display: flex;
  gap: var(--space-3);
  padding-top: var(--space-2);
}
.form-actions .btn { flex: 1; }
.form-actions .btn--primary { flex: 2; }

.form-errors {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: rgb(255 107 107 / 0.1);
  border: 1px solid rgb(255 107 107 / 0.45);
  color: #FFD3D3;
  font-size: var(--text-sm);
  max-width: 640px;
}
.form-errors:focus { outline: none; box-shadow: var(--focus-ring); }
.form-errors strong { display: block; margin-bottom: var(--space-1); color: var(--color-error); }
.form-errors ul { margin: 0; padding-left: var(--space-5); }
.form-errors a { color: inherit; }

/* --------------------------------------------------------------------------
   Detalle
   -------------------------------------------------------------------------- */
.detail { display: grid; gap: var(--space-5); max-width: 720px; }

.detail-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(120% 90% at 100% 0%, color-mix(in srgb, var(--sport, var(--color-accent)) 22%, transparent), transparent 60%),
    var(--color-surface);
  border: 1px solid var(--color-border);
}
.detail-hero__person { display: flex; align-items: center; gap: var(--space-3); }
.detail-hero__goal {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 850;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin: 0;
}
.info-grid div {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  min-width: 0;
}
.info-grid dt { font-size: var(--text-xs); color: var(--color-text-3); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.info-grid dd { margin: 2px 0 0; font-weight: 650; overflow-wrap: anywhere; }
.info-grid .info-grid__wide { grid-column: 1 / -1; }

.panel {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.panel__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }

.meter {
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-3);
  overflow: hidden;
}
.meter__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-success), var(--color-accent));
  transition: width 600ms var(--ease);
}

.reasons { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); font-size: var(--text-sm); }
.reasons li { display: flex; gap: var(--space-2); align-items: flex-start; }
.reasons__icon {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 20px; height: 20px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 900;
}
.reasons__icon--yes { background: rgb(61 220 151 / 0.16); color: var(--color-success); }
.reasons__icon--no { background: var(--color-surface-3); color: var(--color-text-2); }

.detail-actions { display: grid; gap: var(--space-3); }

.confirm {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: rgb(61 220 151 / 0.1);
  border: 1px solid rgb(61 220 151 / 0.4);
  font-size: var(--text-sm);
  animation: view-in 320ms var(--ease) both;
}
.confirm__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--color-success);
  color: var(--color-accent-ink);
  font-weight: 900;
}
.confirm__title { display: block; color: var(--color-success); }
.confirm p { color: var(--color-text-2); }

.proposal-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.proposal-item {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  font-size: var(--text-sm);
}
.proposal-item__meta { color: var(--color-text-3); font-size: var(--text-xs); }

.chips-suggest { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip--small { min-height: var(--tap); padding: 0 var(--space-3); font-size: var(--text-xs); }

/* --------------------------------------------------------------------------
   Mis planes / Perfil
   -------------------------------------------------------------------------- */
.plans-section { margin-top: var(--space-6); display: grid; gap: var(--space-3); }
.plan-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  text-decoration: none;
  min-height: 64px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.plan-row:hover { border-color: var(--color-surface-3); background: var(--color-surface-2); }
.plan-row__body { flex: 1; min-width: 0; }
.plan-row__title { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.plan-row__meta { font-size: var(--text-xs); color: var(--color-text-2); }
.plan-row__chev { width: 18px; height: 18px; color: var(--color-text-3); flex: none; }

.profile-card {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  max-width: 640px;
}
.profile-card__head { display: flex; align-items: center; gap: var(--space-4); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
.stat { padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface-2); text-align: center; }
.stat__value { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; }
.stat__label { font-size: var(--text-xs); color: var(--color-text-2); }

/* --------------------------------------------------------------------------
   Toast
   -------------------------------------------------------------------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-h) + var(--safe-bottom) + 88px);
  z-index: 60;
  max-width: min(92vw, 420px);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-text);
  color: var(--color-bg);
  font-weight: 650;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.toast:empty { display: none; }

/* --------------------------------------------------------------------------
   Pantallas más anchas
   -------------------------------------------------------------------------- */
@media (min-width: 600px) {
  main { padding-left: var(--space-6); padding-right: var(--space-6); }
  .segmented { grid-template-columns: repeat(4, 1fr); }
  .feed { grid-template-columns: 1fr 1fr; }
  .chip-row { flex-wrap: wrap; overflow: visible; }
  .feed > .empty, .feed > li.feed__full { grid-column: 1 / -1; }
  .filter-grid { grid-template-columns: 1fr 1fr 1fr; }
  .filter-grid__wide { grid-column: auto; }
}

@media (min-width: 960px) {
  .app-header { padding-left: var(--space-8); padding-right: var(--space-8); }
  .home-layout { grid-template-columns: minmax(340px, 400px) 1fr; align-items: start; gap: var(--space-8); }
  .filter-grid { grid-template-columns: 1fr 1fr; }
  .filter-grid__wide { grid-column: 1 / -1; }
  .page-title { font-size: 2rem; }
  .bottom-nav {
    left: 50%;
    right: auto;
    bottom: calc(var(--space-4) + var(--safe-bottom));
    width: 440px;
    transform: translateX(-50%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding-bottom: var(--space-1);
    box-shadow: var(--shadow-lg);
  }
  .fab { bottom: calc(var(--space-4) + var(--safe-bottom)); }
  .toast { bottom: calc(var(--space-4) + 84px); }
}

/* Pantallas muy angostas */
@media (max-width: 359px) {
  .filter-grid, .field-row, .meta-list, .info-grid { grid-template-columns: 1fr; }
  .input-pair { grid-template-columns: 1fr 104px; }
  .fab span { display: none; }
  .fab { padding: 0; width: 56px; justify-content: center; }
}

/* --------------------------------------------------------------------------
   Movimiento reducido
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .map-pulse { display: none; }
}