/* ===== style.css (update v2) ===== */
/* Objectif :
   - Topbar (titre + menu) toujours visible (fixe en haut)
   - Player toujours visible (fixe en bas)
   - AUCUN défilement global de la page (ni vertical, ni horizontal)
   - SEULE la grille des chansons (.tracks-grid) défile HORIZONTALEMENT
*/

*{box-sizing:border-box}
:root{
  --bg:#0f1115;
  --panel:#151822;
  --panel-2:#1b2030;
  --text:#e7e9ee;
  --muted:#b7bacc;
  --border:#d9d9dd;
  --border-dark:#7a7d8a;
  --accent:#6ea0ff;

  --topbar-h: 64px;
  --player-h: 96px;
}

html,body{
  margin:0;
  width:100%;
  height:100%;
  color:var(--text);
  background:var(--bg);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji";
  /* Supprimer tout scroll global pour empêcher le site de "glisser" */
  overflow: hidden;
}

/* ===== Login (inchangé) ===== */
.login-body{display:grid;place-items:center;padding:2rem}
.login-card{background:var(--panel);border-radius:18px;padding:2rem;max-width:420px;width:100%;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.login-card h1{font-size:1.6rem;margin-bottom:.5rem}
.login-form{display:grid;gap:.75rem;margin-top:1rem}
.login-form input{padding:.8rem 1rem;border-radius:12px;border:1px solid #2a2f42;background:#0f1320;color:var(--text)}
.login-form button{padding:.8rem 1rem;border-radius:12px;border:0;background:var(--accent);color:#0c1222;font-weight:700;cursor:pointer}
.alert{background:#3a2030;border:1px solid #b24d65;padding:.6rem 1rem;border-radius:10px;color:#ffdbe4;margin-top:1rem}
.login-footer{opacity:.6;margin-top:1rem}

/* ===== Application ===== */
.app-body{
  /* On rend la zone centrale fixe entre topbar et player pour éviter tout défilement global */
  position: fixed;
  top: var(--topbar-h);
  bottom: var(--player-h);
  left: 0;
  right: 0;
  padding: 12px 12px; /* marges internes */
  display: grid;
  grid-template-rows: 1fr;
  overflow: hidden; /* pas de scroll ici */
}

/* Topbar : FIXE */
.topbar{
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  display:grid;grid-template-columns:1fr auto auto;gap:1rem;align-items:center;
  padding: 0 12px;
  border-bottom:1px solid #22283a;
  background:linear-gradient(180deg,#141a29,#121623);
  z-index: 1000;
  max-width: 100vw;
  overflow: hidden;
}
.brand{font-weight:800;letter-spacing:.3px}
.filters{display:flex;align-items:center;gap:.5rem}
.filters select{padding:.5rem .75rem;border-radius:10px;border:1px solid #2a2f42;background:#0f1320;color:var(--text)}
.logout{justify-self:end;opacity:.8}

/* Zone centrale (entre topbar et player) */
.content{
  overflow: hidden; /* Empêche tout scroll global, on confine à la grille */
  max-width: 100vw;
}

/* Encadrement de la grille */
.tracks-wrapper{
  background:var(--panel);
  border:1px solid #1e2435;
  border-radius:18px;
/*   padding:1rem;*/
  height: 100%;
  overflow: hidden; /* la grille gère son propre scroll */
}

/* Grille : 2 lignes, scroll HORIZONTAL uniquement ici */
.tracks-grid{
  display:grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(2, max-content);
  align-items:start;
  align-content:start;
  gap:1rem;

  width: 100%;
  max-width: 100%;
  overflow-x: auto;   /* ← la SEULE zone qui scrolle */
  overflow-y: hidden;

  padding-bottom:.5rem;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x; /* améliore le scroll horizontal au doigt */
}
.tracks-grid:focus{outline:2px dashed #3e5fbf;outline-offset:4px}

/* Tuiles */
.track{
  width:180px;
  background:var(--panel-2);
  border:1px solid #22263a;
  border-radius:16px;
  padding:.75rem;
  scroll-snap-align:start;
  flex:0 0 auto;
}
.cover{border:2px solid #d9d9dd;border-radius:12px;overflow:hidden;background:#111;aspect-ratio:1;display:grid;place-items:center;cursor:pointer;transition:border-color .2s}
.cover img{width:100%;height:100%;object-fit:cover;display:block}
.track .title{font-size:1rem;margin-top:.6rem}
.track .artist{opacity:.7;margin:.15rem 0 .3rem}
.track .badge{font-size:.75rem;opacity:.65;background:#0e1424;border:1px solid #29314a;padding:.1rem .4rem;border-radius:999px}
.track.selected .cover{border-color:#7a7d8a}

/* Player : FIXE */
.player-bar{
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--player-h);
  display:grid;grid-template-columns:1fr auto 1.4fr auto;gap:1rem;
  align-items:center;padding:.8rem 12px;border-top:1px solid #22283a;background:#0f1320;
  z-index: 1000;
  max-width: 100vw;
  overflow: hidden;
}
.controls button{background:#202645;border:1px solid #2f3657;border-radius:12px;padding:.4rem .6rem;color:var(--text);cursor:pointer;margin-right:.4rem}
.seek{display:grid;grid-template-columns:1fr auto;gap:.5rem;align-items:center}
.seek input[type=range]{width:100%}
input[type=range]{accent-color:var(--accent)}

@media (max-width: 640px){
  .player-bar{grid-template-columns:1fr 1fr;grid-template-rows:auto auto;row-gap:.75rem}
  .seek{grid-column:1/-1}
}