/* ¿Qué Comemos? — Global CSS
   Mobile-first · Material Design 3 · Nunito */

/* ─── Google Fonts ─────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@600;700;800;900&display=swap');

/* ─── Variables ─────────────────────────────── */
:root {
  /* Colores familia */
  --color-antonio:  #E8622A;
  --color-monica:   #8B5CF6;
  --color-lucia:    #EC4899;
  --color-adriana:  #14B8A6;

  /* Paleta principal */
  --color-primary:     #E8622A;
  --color-primary-dim: #F28C5E;
  --color-secondary:   #2A7AE8;
  --color-green:       #27AE60;
  --color-amber:       #F59E0B;
  --color-red:         #EF4444;

  /* Fondos y superficies */
  --bg:         #F7F4F0;
  --surface:    #FFFFFF;
  --surface-2:  #F0EDE8;

  /* Texto */
  --text:       #1A1208;
  --text-sec:   #6B6259;
  --text-ter:   #857970;

  /* Bordes */
  --border:     #E8E0D8;
  --border-2:   #D4C9BE;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(26, 18, 8, .08);
  --shadow-md:  0 4px 12px rgba(26, 18, 8, .10);
  --shadow-lg:  0 8px 24px rgba(26, 18, 8, .12);

  /* Radios */
  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;
  --radius-full: 9999px;

  /* Espaciado */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   32px;
  --space-2xl:  48px;

  /* Tipografía — rem para respetar preferencias del navegador/SO */
  --font: 'Nunito', system-ui, sans-serif;
  --font-size-xs:   0.75rem;   /* 12px — solo decorativo (badges, separadores) */
  --font-size-sm:   0.875rem;  /* 14px — secundario, etiquetas, subtítulos */
  --font-size-md:   1rem;      /* 16px — base/cuerpo */
  --font-size-lg:   1.125rem;  /* 18px — subencabezados, títulos de lista */
  --font-size-xl:   1.25rem;   /* 20px — títulos de sección */
  --font-size-2xl:  1.5rem;    /* 24px — títulos de página */
  --font-size-3xl:  1.75rem;   /* 28px — display */

  /* Bottom nav */
  --nav-height: 64px;
  --header-height: 56px;

  /* Transiciones */
  --transition: 200ms ease;
}

/* ─── Reset ─────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: var(--font-size-md);
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  padding-bottom: var(--nav-height);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

ul, ol {
  list-style: none;
}

/* ─── Utilidades ─────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-sec   { color: var(--text-sec); }
.text-ter   { color: var(--text-ter); }
.text-sm    { font-size: var(--font-size-sm); }
.text-xs    { font-size: var(--font-size-xs); }
.text-lg    { font-size: var(--font-size-lg); }
.text-xl    { font-size: var(--font-size-xl); }
.text-bold  { font-weight: 800; }
.text-heavy { font-weight: 900; }
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-green   { color: var(--color-green); }
.text-amber   { color: var(--color-amber); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

/* ─── Contenedor ─────────────────────────────── */
.container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ─── Header de página ───────────────────────── */
.page-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-md);
  gap: var(--space-sm);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.page-header__title {
  flex: 1;
  font-size: var(--font-size-lg);
  font-weight: 800;
}

.page-header__back {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--text);
  cursor: pointer;
  border: none;
  background: transparent;
  transition: background var(--transition);
}

.page-header__back:hover {
  background: var(--surface-2);
}

/* ─── Avatares ───────────────────────────────── */
.avatar {
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  overflow: hidden;
  object-fit: cover;
}

.avatar--xs { width: 24px; height: 24px; font-size: 10px; }
.avatar--sm { width: 32px; height: 32px; font-size: 13px; }
.avatar--md { width: 40px; height: 40px; font-size: 16px; }
.avatar--lg { width: 56px; height: 56px; font-size: 22px; }
.avatar--xl { width: 72px; height: 72px; font-size: 28px; }

/* ─── Estrellas ──────────────────────────────── */
.estrellas {
  display: inline-flex;
  gap: 2px;
}

.star {
  font-size: 16px;
  line-height: 1;
  position: relative;
  display: inline-block;
}

.star--filled { color: var(--color-amber); }
.star--empty  { color: var(--border-2); }

/* Media estrella: el carácter base está en gris, el relleno se superpone al 50% */
.star--half {
  color: var(--border-2);
}
.star--half::after {
  content: '★';
  color: var(--color-amber);
  position: absolute;
  left: 0;
  top: 0;
  width: 50%;
  overflow: hidden;
  display: block;
  pointer-events: none;
}

/* Estrellas interactivas — picker JS con medias estrellas */
.estrellas-picker {
  display: flex;
  gap: 2px;
  cursor: pointer;
}

.sp-star {
  font-size: 28px;
  color: var(--border-2);
  position: relative;
  display: inline-block;
  line-height: 1;
  user-select: none;
  -webkit-user-select: none;
  transition: color var(--transition), transform var(--transition);
}

.sp-star.sp-filled { color: var(--color-amber); }
.sp-star.sp-empty  { color: var(--border-2); }
.sp-star.sp-half   { color: var(--border-2); }

.sp-star.sp-half::after {
  content: '★';
  color: var(--color-amber);
  position: absolute;
  left: 0; top: 0;
  width: 50%;
  overflow: hidden;
  display: block;
  pointer-events: none;
}

.sp-star:active { transform: scale(1.15); }

/* Celebración al confirmar un valor en el star picker */
@keyframes sp-star-pop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.4); }
  70%  { transform: scale(0.88); }
  100% { transform: scale(1); }
}

.sp-star.sp-celebrate {
  animation: sp-star-pop 320ms cubic-bezier(.36,.07,.19,.97) both;
}

/* Estrellas interactivas — versión CSS pura (legacy, sin medias estrellas) */
.estrellas--interactivas {
  flex-direction: row-reverse;
  gap: 4px;
}

.estrellas--interactivas input {
  display: none;
}

.estrellas--interactivas label {
  font-size: 28px;
  color: var(--border-2);
  cursor: pointer;
  transition: color var(--transition), transform var(--transition);
}

.estrellas--interactivas label:hover,
.estrellas--interactivas label:hover ~ label,
.estrellas--interactivas input:checked ~ label {
  color: var(--color-amber);
}

.estrellas--interactivas label:active {
  transform: scale(1.2);
}

/* ─── Toast / notificaciones ─────────────────── */
#toast-container {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--space-md));
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
  width: calc(100% - var(--space-lg) * 2);
  max-width: 380px;
}

.toast {
  background: var(--text);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  animation: toastIn 200ms ease;
}

.toast--success { background: var(--color-green); }
.toast--error   { background: var(--color-red); }
.toast--info    { background: var(--color-secondary); }

@keyframes toastIn {
  0%   { opacity: 0; transform: translateY(16px) scale(0.92); }
  65%  { opacity: 1; transform: translateY(-3px) scale(1.02); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─── Loading spinner ────────────────────────── */
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 600ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Skeleton loader ────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--border) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ─── Empty state ────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  color: var(--text-sec);
}

.empty-state__icon {
  font-size: 48px;
  line-height: 1;
}

.empty-state__title {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--text);
}

.empty-state__desc {
  font-size: var(--font-size-sm);
  max-width: 280px;
}

/* ─── Reduced motion ────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ─── Dark mode ──────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #1A1510;
    --surface:   #231E18;
    --surface-2: #2D261F;
    --text:      #F0EBE4;
    --text-sec:  #BFB6AC;
    --text-ter:  #8C847C;
    --border:    #3D342B;
    --border-2:  #4D4238;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .30);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, .40);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, .50);
  }
}