/* ==========================================================================
   Design System Lapeyre — socle du jeu
   Source : chartegraphique.md
   Extensions au-delà de la charte (marquées « EXT ») : états succès / erreur.
   ========================================================================== */

/* --- Police : Montserrat, hébergée en local (le jeu doit marcher sans internet).
   Seuls Medium / Bold / Black sont disponibles : 400 est rendu en 500 et 600 en 700
   (repli automatique du navigateur). Ajouter Regular + SemiBold pour coller exactement à la charte. --- */
@font-face { font-family: 'Montserrat'; font-weight: 500; font-style: normal; font-display: swap; src: url('../fonts/Montserrat-Medium.ttf') format('truetype'); }
@font-face { font-family: 'Montserrat'; font-weight: 700; font-style: normal; font-display: swap; src: url('../fonts/Montserrat-Bold.ttf')   format('truetype'); }
@font-face { font-family: 'Montserrat'; font-weight: 900; font-style: normal; font-display: swap; src: url('../fonts/Montserrat-Black.ttf')  format('truetype'); }

/* --- Tokens (charte §8) --- */
:root {
  /* Couleurs */
  --color-primary:        #B20E24;
  --color-primary-hover:  #AA192D;
  --color-primary-light:  rgba(178, 14, 36, 0.5);
  --color-primary-subtle: rgba(178, 14, 36, 0.04);
  --color-text-primary:   #212121;
  --color-text-secondary: #555555;
  --color-text-disabled:  #999999;
  --color-text-link:      #3D6881;
  --color-bg-white:       #FFFFFF;
  --color-bg-beige:       #F9F4EE;
  --color-bg-grey-light:  #EFF3F6;
  --color-bg-grey-hover:  #F4F4F4;
  --color-bg-dark:        #424242;
  --color-bg-black:       #212121;
  --color-border:         rgb(224, 224, 224);
  --color-border-form:    rgba(0, 0, 0, 0.23);

  /* EXT — succès / erreur (absents de la charte, validés avec le client) */
  --color-success:        #2E7D32;
  --color-success-hover:  #276A2B;
  --color-success-bg:     #E8F3E9;
  --color-error:          #B20E24;   /* = rouge primaire, toujours doublé d'une icône ✗ */
  --color-error-bg:       #FBEBED;
  --color-warning:        #B26A00;
  --color-warning-bg:     #FFF3E0;

  /* Typographie */
  --font-family:          'Montserrat', system-ui, -apple-system, sans-serif;
  --font-size-base:       15px;
  --font-size-sm:         13px;
  --font-size-xs:         12px;
  --font-size-h1:         32px;
  --font-size-h3:         17px;
  --font-weight-regular:  400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;
  --font-weight-black:    900;

  /* Espacements */
  --spacing-xs:   4px;
  --spacing-sm:   8px;
  --spacing-md:   16px;
  --spacing-lg:   24px;
  --spacing-xl:   32px;
  --spacing-2xl:  40px;
  --spacing-3xl:  64px;

  /* Rayons */
  --radius-sm:    4px;
  --radius-md:    8px;
  --radius-lg:    16px;
  --radius-xl:    32px;
  --radius-full:  50%;

  /* Ombres */
  --shadow-header: rgba(0,0,0,0.08) 0px 1px 4px 0px;
  --shadow-card:   rgba(0,0,0,0.2) 0px 3px 3px -2px,
                   rgba(0,0,0,0.14) 0px 3px 4px 0px,
                   rgba(0,0,0,0.12) 0px 1px 8px 0px;
  --shadow-fab:    rgba(0,0,0,0.2) 0px 4px 12px 0px;

  /* Layout */
  --container-max-width: 1024px;
  --header-height:       60px;
  --bottom-nav-height:   64px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

strong, b { font-weight: var(--font-weight-bold); }

/* L'attribut hidden doit toujours l'emporter, même sur un composant qui définit son propre display */
[hidden] { display: none !important; }

a {
  color: var(--color-text-link);
  font-size: 13.6px;
  font-weight: var(--font-weight-semibold);
}

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

h1, .h1 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-black);
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

h3, .h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  color: var(--color-text-primary);
}

.body1   { font-size: 15px; font-weight: var(--font-weight-bold); line-height: 1.5; }
.body2   { font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); line-height: 1.45; color: var(--color-text-secondary); }
.caption { font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); line-height: 1.75; letter-spacing: 0.04em; text-transform: uppercase; }

.text-secondary { color: var(--color-text-secondary); }
.text-primary   { color: var(--color-primary); }
.text-success   { color: var(--color-success); }
.text-error     { color: var(--color-error); }

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

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.stack { display: flex; flex-direction: column; gap: var(--spacing-xl); }
.row   { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-md); }
.grid  { display: grid; gap: var(--spacing-lg); }

@media (min-width: 600px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* --- Icônes (SVG inline, style MUI) --- */
.icon { width: 24px; height: 24px; fill: currentColor; flex: none; }
.icon-sm { width: 18px; height: 18px; }

/* --- Header (§4.1) --- */
.header {
  position: sticky;
  top: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  background: var(--color-bg-white);
  box-shadow: var(--shadow-header);
}
.header__logo { display: block; height: var(--header-height); width: auto; }
.header__nav  { display: flex; gap: var(--spacing-sm); padding-right: var(--spacing-md); }

.nav-link {
  padding: 8px 12px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text-primary);
  border-bottom: 1.6px solid transparent;
}
.nav-link.is-active {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  border-bottom-color: var(--color-primary);
}

/* --- Navigation mobile (§4.2) --- */
.bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 1100;
  display: flex;
  height: var(--bottom-nav-height);
  background: var(--color-bg-white);
  border-top: 0.8px solid var(--color-border);
}
.bottom-nav__item {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  color: var(--color-text-primary);
}
.bottom-nav__item .icon { width: 26px; height: 26px; }
.bottom-nav__item.is-active { color: var(--color-primary); }

/* --- Boutons (§4.3) --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-sm);
  min-height: 44px;
  padding: 8px 24px;
  font-family: inherit;
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
  background: var(--color-primary);
  border: 0;
  border-radius: var(--radius-md);
  box-shadow: none;
  cursor: pointer;
  transition: background-color 250ms var(--ease), box-shadow 250ms var(--ease), border-color 250ms var(--ease);
}
.btn:hover { background: var(--color-primary-hover); }
.btn .icon { width: 18px; height: 18px; }

.btn--outlined {
  font-size: 14px;
  color: var(--color-primary);
  background: transparent;
  border: 0.8px solid var(--color-primary-light);
}
.btn--outlined:hover { background: var(--color-primary-subtle); border: 1px solid var(--color-primary); }

.btn--dark {
  padding: 8px 20px;
  font-size: 14px;
  letter-spacing: normal;
  text-transform: none;
  background: var(--color-bg-black);
}
.btn--dark:hover { background: #000; }

.btn--success { background: var(--color-success); }       /* EXT */
.btn--success:hover { background: var(--color-success-hover); }

.btn--block { display: flex; width: 100%; }

.btn:disabled, .btn.is-disabled {
  color: rgba(0, 0, 0, 0.26);
  background: rgba(0, 0, 0, 0.12);
  border: 0;
  cursor: not-allowed;
  pointer-events: none;
}

/* --- Cartes (§4.4) --- */
.card {
  padding: var(--spacing-md);
  background: var(--color-bg-white);
  border: 0.8px solid var(--color-border);
  border-radius: var(--radius-md);
}
.card--elevated { border: 0; box-shadow: var(--shadow-card); }
.card--large    { padding: var(--spacing-xl); border-radius: var(--radius-lg); }
.card--beige    { background: var(--color-bg-beige); }
.card__title    { margin-bottom: var(--spacing-md); }

a.card { display: block; text-decoration: none; color: inherit; font-size: inherit; font-weight: inherit; }
a.card--link { transition: box-shadow 250ms var(--ease), border-color 250ms var(--ease); }
a.card--link:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow-card); }
.card.is-disabled { background: var(--color-bg-grey-hover); color: var(--color-text-disabled); }
.card.is-disabled .h3 { color: var(--color-text-disabled); }

/* --- Badges / Chips (§4.5) --- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  height: 24px;
  padding: 0 8px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  background: var(--color-bg-grey-light);
  border-radius: var(--radius-sm);
  transition: background-color 300ms var(--ease), box-shadow 300ms var(--ease);
  white-space: nowrap;
}
.badge--success { color: var(--color-success); background: var(--color-success-bg); }  /* EXT */
.badge--error   { color: var(--color-error);   background: var(--color-error-bg); }    /* EXT */
.badge--warning { color: var(--color-warning); background: var(--color-warning-bg); }  /* EXT */
.badge--dark    { color: #fff; background: var(--color-bg-black); }
.badge--me      { color: #fff; background: var(--color-primary); }

/* Difficulté : 1 à 3 points rouges (facile / moyen / difficile) */
.diff-dots { display: inline-flex; gap: 3px; }
.diff-dots i { width: 6px; height: 6px; border-radius: 50%; background: rgba(0,0,0,0.18); }
.badge--diff[data-level="1"] .diff-dots i:nth-child(-n+1),
.badge--diff[data-level="2"] .diff-dots i:nth-child(-n+2),
.badge--diff[data-level="3"] .diff-dots i:nth-child(-n+3) { background: var(--color-primary); }

/* --- Barre de progression (§4.6) --- */
.progress {
  width: 100%; height: 8px;
  overflow: hidden;
  background: var(--color-border);
  border-radius: var(--radius-xl);
}
.progress__bar {
  height: 100%;
  width: 0;
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  transition: width 250ms linear;
}

/* --- Champs (§4.7) --- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field__label { font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); color: var(--color-text-secondary); }
.input {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 16px;               /* ≥16px : évite le zoom automatique sur iOS */
  font-weight: var(--font-weight-regular);
  color: var(--color-text-primary);
  background: #fff;
  border: 1px solid var(--color-border-form);
  border-radius: var(--radius-md);
  outline: 0;
  transition: border-color 250ms var(--ease);
}
.input::placeholder { color: var(--color-text-secondary); opacity: 1; }
.input:hover { border-color: var(--color-text-primary); }
.input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary); }
.input.has-error { border-color: var(--color-error); }
.input:disabled { border-color: rgba(0, 0, 0, 0.26); color: var(--color-text-disabled); }
.field__label:has(+ .input:focus) { color: var(--color-primary); }

/* --- Spinner (§7) --- */
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1.4s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Pastille de statut (point rond) --- */
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--color-text-disabled); }
.dot--ok   { background: var(--color-success); }
.dot--warn { background: var(--color-warning); }
.dot--ko   { background: var(--color-error); }

/* --- Liste clé / valeur --- */
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; margin: 0; }
.kv dt { font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); color: var(--color-text-secondary); }
.kv dd { margin: 0; font-weight: var(--font-weight-semibold); word-break: break-word; }

/* --- Footer (§6) --- */
.footer { margin-top: var(--spacing-3xl); }
.footer__main { padding: var(--spacing-xl) 0; background: var(--color-bg-beige); font-size: var(--font-size-base); }
.footer__legal { font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.footer__bar {
  display: flex; align-items: center;
  min-height: 50px;
  padding: 16px 0;
  font-size: var(--font-size-xs);
  color: #fff;
  background: var(--color-bg-dark);
}

/* --- Accessibilité : réduit les animations si demandé --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* --- Mobile --- */
@media (max-width: 767.95px) {
  .container { padding: var(--spacing-lg) var(--spacing-md); }
  .has-bottom-nav { padding-bottom: var(--bottom-nav-height); }
  .card--large { padding: var(--spacing-lg); }
  .header__logo { height: 48px; }
  .header { height: 48px; }
  .header__nav { padding-right: var(--spacing-sm); }
  .nav-link { padding: 8px; }
}