/* ==========================================================================
   PROTOCOLE ZÉRO SALLE — Base globale
   ========================================================================== */

/* variables.css est chargée par chaque page, avant ce fichier (avec son tampon de version). */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

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

body {
  font-family: var(--font-text);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100dvh;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* L'attribut hidden doit toujours masquer, même sur un élément stylé en flex/grid */
[hidden] {
  display: none !important;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

::selection {
  background: var(--color-black);
  color: var(--color-text-on-dark);
}

/* Focus clavier visible partout (accessibilité) */
:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   Layout utilitaire
   -------------------------------------------------------------------------- */
.screen {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

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

/* --------------------------------------------------------------------------
   Carte générique (style iOS : blanc, ombre douce, radius large)
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
  transition: box-shadow 0.25s var(--ease-smooth), transform 0.25s var(--ease-smooth);
}

.card--tight {
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   Boutons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 54px;
  padding: 0 var(--space-5);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  transition: transform 0.15s var(--ease-spring), opacity 0.15s var(--ease-smooth), box-shadow 0.2s;
  width: 100%;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.btn-primary {
  background: var(--color-black);
  color: var(--color-text-on-dark);
  box-shadow: 0 6px 18px rgba(12, 12, 18, 0.22);
}

.btn-primary:hover {
  box-shadow: 0 8px 24px rgba(12, 12, 18, 0.3);
}

/* Action principale "énergie" (valider une séance, commencer…) */
.btn-accent {
  background: var(--grad-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
  font-weight: 700;
}

.btn-accent:hover { box-shadow: 0 12px 30px rgba(207, 58, 12, 0.4); }

.btn-secondary {
  background: var(--color-card);
  color: var(--color-text);
  border: 1px solid var(--color-hairline-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  height: auto;
  padding: var(--space-2);
  width: auto;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.btn-ghost:hover { color: var(--color-text); }

.btn-danger {
  background: var(--color-red);
  color: #fff;
}

.btn-sm {
  height: 40px;
  font-size: 14px;
  padding: 0 var(--space-4);
}

/* --------------------------------------------------------------------------
   Champs de formulaire
   -------------------------------------------------------------------------- */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  padding-left: var(--space-1);
}

.input {
  height: 56px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-hairline-strong);
  background: var(--color-bg-elevated);
  font-size: 17px;
  font-weight: 500;
  transition: border-color 0.2s var(--ease-smooth), box-shadow 0.2s var(--ease-smooth), transform 0.05s;
  width: 100%;
}

.input::placeholder {
  color: var(--color-text-tertiary);
  font-weight: 400;
}

.input:focus {
  border-color: var(--color-black);
  outline: none;
  box-shadow: 0 0 0 4px rgba(10, 10, 12, 0.06);
}

.textarea {
  height: auto;
  min-height: 64px;
  padding: 12px 14px;
  resize: vertical;
  font-family: var(--font-text);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
}

.input-error {
  border-color: var(--color-red) !important;
  background: var(--color-red-tint) !important;
  color: var(--color-red-dark);
  box-shadow: 0 0 0 4px rgba(255, 59, 48, 0.12) !important;
}

.field-hint {
  font-size: 12px;
  color: var(--color-text-tertiary);
  padding-left: var(--space-1);
}

.field-hint.is-error {
  color: var(--color-red);
  font-weight: 600;
}

/* Effet "shake" rouge — utilisé pour bloquer une saisie invalide (ex : poids > 300kg) */
@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-4px); }
  40%, 60% { transform: translateX(4px); }
}

.shake {
  animation: shake 0.5s var(--ease-smooth);
}

/* --------------------------------------------------------------------------
   Badges & alertes
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.01em;
}

.badge-black { background: var(--color-black); color: #fff; }
.badge-red { background: var(--color-red-tint); color: var(--color-red-dark); }
.badge-green { background: var(--color-green-tint); color: #1a7f3c; }
.badge-gold { background: #fff8dc; color: #8a6d00; }

.alert {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-red-tint);
  color: var(--color-red-dark);
  font-size: 13px;
  line-height: 1.5;
}

.alert svg { flex-shrink: 0; margin-top: 1px; }

/* --------------------------------------------------------------------------
   Bandeau légal (obligatoire)
   -------------------------------------------------------------------------- */
.legal-note {
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--color-text-tertiary);
  text-align: center;
  padding: var(--space-4) var(--space-2);
}

.legal-note strong {
  color: var(--color-text-secondary);
}

.legal-note a {
  color: var(--color-text-secondary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Loader minimal
   -------------------------------------------------------------------------- */
/* Anneau fin en dégradé (traîne qui s'efface) avec une tête arrondie,
   rotation fluide qui accélère et ralentit légèrement. */
.spinner {
  --sp-color: #fff;
  --sp-thick: 2.5px;
  position: relative;
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
  width: 18px;
  height: 18px;
  border: 0 !important;
  border-radius: 50%;
  background: conic-gradient(from 90deg, transparent 8%, color-mix(in srgb, var(--sp-color) 25%, transparent) 35%, var(--sp-color) 100%);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - var(--sp-thick) - 0.5px), #000 calc(100% - var(--sp-thick)));
  mask: radial-gradient(farthest-side, transparent calc(100% - var(--sp-thick) - 0.5px), #000 calc(100% - var(--sp-thick)));
  animation: spin 0.85s cubic-bezier(0.55, 0.15, 0.45, 0.85) infinite;
}
.spinner::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  width: var(--sp-thick);
  height: var(--sp-thick);
  margin-top: calc(var(--sp-thick) / -2);
  border-radius: 50%;
  background: var(--sp-color);
}

.spinner-dark { --sp-color: var(--color-text); }

/* Écran de chargement des pages (connexion, inscription, app) : centré, puis
   entièrement retiré une fois la page prête — plus de rond qui tourne dans un coin. */
.auth-loading-gate {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity 0.3s var(--ease-smooth), visibility 0s linear 0s;
}

.auth-loading-gate.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-smooth), visibility 0s linear 0.3s;
}
.auth-loading-gate.is-hidden .spinner { animation: none; }

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

.skeleton {
  background: linear-gradient(90deg, #ececef 25%, #f5f5f7 37%, #ececef 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

/* --------------------------------------------------------------------------
   Toast (retour rapide, ex. félicitations coach)
   -------------------------------------------------------------------------- */
.toast-stack {
  position: fixed;
  top: max(var(--space-5), env(safe-area-inset-top, 0px));
  /* Centrage sans translateX(-50%) : un décalage d'un demi-pixel rendait le texte flou */
  left: 0;
  right: 0;
  margin: 0 auto;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: min(92vw, 420px);
  pointer-events: none;
}

.toast {
  background: var(--color-black);
  color: var(--color-text-on-dark);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-float);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  animation: toast-in 0.4s var(--ease-spring);
}

.toast-action {
  pointer-events: auto;
  flex-shrink: 0;
  height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
}

.toast-action:active { transform: scale(0.95); }

.toast.toast-success { background: #103c1f; }
.toast.toast-error { background: var(--color-red-dark); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-16px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Icônes inline */
.icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Composants partagés
   -------------------------------------------------------------------------- */

/* Pastille (statut, période, rang…) */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.pill svg { width: 14px; height: 14px; flex-shrink: 0; }

/* Ligne d'action cliquable (paramètres, raccourcis) — remplace les liens bleus soulignés */
.action-list {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.action-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: 14px var(--space-4);
  text-align: left;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-text);
  transition: background 0.15s var(--ease-smooth);
}

.action-row + .action-row { border-top: 1px solid var(--color-hairline); }
.action-row:hover { background: var(--color-card-alt); }
.action-row:active { background: var(--color-bg); }

.action-row-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--color-bg);
  color: var(--color-text);
}

.action-row-icon svg { width: 18px; height: 18px; }

.action-row-text { flex: 1; min-width: 0; }

.action-row-sub {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-top: 1px;
}

.action-row-chevron {
  width: 16px;
  height: 16px;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.action-row.is-danger { color: var(--color-red-dark); }
.action-row.is-danger .action-row-icon { background: var(--color-red-tint); color: var(--color-red-dark); }

/* Teintes d'icônes par univers */
.tint-accent { background: var(--color-accent-tint) !important; color: var(--color-accent) !important; }
.tint-coach { background: var(--color-coach-tint) !important; color: var(--color-coach) !important; }
.tint-steps { background: var(--color-steps-tint) !important; color: var(--color-steps) !important; }
.tint-reward { background: var(--color-reward-tint) !important; color: var(--color-reward) !important; }
.tint-green { background: var(--color-green-tint) !important; color: var(--color-green-dark) !important; }
/* Logos mats (sobres) : blanc mat sur graphite, noir mat sur gris clair */
.tint-matte-dark { background: var(--color-matte-dark) !important; color: var(--color-matte-white) !important; }
.tint-matte-light { background: var(--color-matte-light) !important; color: var(--color-matte-black) !important; }

/* Sélecteur segmenté (échelles de réponse, onglets internes) */
.segmented {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.segmented-option {
  flex: 1 1 0;
  min-width: 0;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-hairline-strong);
  background: var(--color-bg-elevated);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  transition: border-color 0.15s, background 0.15s, color 0.15s, transform 0.15s var(--ease-spring);
}

/* Petits écrans : une échelle à 5 niveaux avec sous-titres passe sur 2 lignes (3 + 2) */
@media (max-width: 420px) {
  .segmented[data-group="rpe"] .segmented-option { flex: 1 1 30%; }
}

.segmented-option small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.segmented-option:active { transform: scale(0.96); }

.segmented-option.is-selected {
  border-color: var(--color-accent);
  background: var(--color-accent-tint);
  color: var(--color-accent);
}

.segmented-option.is-selected small { color: var(--color-accent); }

/* Détails chiffrés des rythmes (onboarding + recalibrage) */
.rhythm-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.rhythm-facts span {
  font-size: 12.5px;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.rhythm-facts strong { color: var(--color-text); }

.rhythm-deficit {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 8px;
  line-height: 1.45;
}

.calc-details {
  margin: 4px 0 16px;
  background: var(--color-card-alt);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.calc-details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-text);
}

.calc-details p { margin-top: 8px; }

/* Champ de formulaire compact dans les modales / paramètres */
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-secondary);
  margin: var(--space-4) 0 var(--space-2);
}

.form-label:first-child { margin-top: 0; }