/* Allenamento aperture — quello che la scheda aggiunge ad allenamento.css: la scelta dell'apertura con le
   miniscacchiere e, nella vista d'allenamento, i riquadri dell'apertura, della linea e del bot. Sotto i 900px l'ordine è
   apertura, scacchiera, comandi, linea, bot. */

/* ═══════════════ Scelta dell'apertura ═══════════════ */

.scelta {
  box-sizing: border-box; max-width: 1240px; margin: 0 auto;
  padding: clamp(16px, 3vw, 32px) clamp(16px, 3vw, 32px) 48px;
  display: flex; flex-direction: column; gap: 14px;
}
.scelta__testa { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; }
.scelta__titolo { margin: 0; font-family: var(--font-heading); font-size: clamp(22px, 3vw, 28px); font-weight: 500; }
.scelta__sotto { margin: 4px 0 0; max-width: 62ch; color: var(--color-neutral-400); font-size: 14px; line-height: 1.45; }
.cerca {
  flex: 0 1 340px; min-width: 220px; display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 12px;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: var(--color-surface);
  color: var(--color-neutral-500); transition: border-color .15s;
}
.cerca:focus-within { border-color: var(--color-accent); color: var(--color-accent-200); }
.cerca input {
  flex: 1; min-width: 0; height: 100%; border: 0; outline: 0; background: transparent;
  color: var(--color-text); font: inherit; font-size: 14px;
}
.cerca input::placeholder { color: var(--color-neutral-600); }
.scelta__conteggio { margin: 2px 0 0; font-size: 12.5px; color: var(--color-neutral-500); }
.scelta__altre { display: flex; justify-content: center; }
.scelta__altre .bottone { flex: 0 0 auto; padding: 0 22px; }
.scelta .chip { padding: 5px 12px; font-size: 13px; }

.griglia { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; }
.scheda {
  display: flex; flex-direction: column; gap: 10px; padding: 10px; min-width: 0;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: var(--color-surface);
  color: inherit; text-decoration: none; transition: border-color .15s, transform .15s, box-shadow .15s;
}
.scheda:hover, .scheda:focus-visible {
  border-color: var(--color-accent); transform: translateY(-2px); outline: 0;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .35);
}
.scheda__tavola { border-radius: 4px; overflow: hidden; }
.scheda__info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.scheda__testa { display: flex; align-items: center; gap: 7px; min-width: 0; }
.scheda__famiglia {
  flex: 1; min-width: 0; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--color-accent-400);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.scheda__fatto { flex: none; font-size: 11px; color: var(--sig-good, #3ee08f); font-variant-numeric: tabular-nums; }
.scheda__nome { font-family: var(--font-heading); font-size: 14.5px; line-height: 1.3; color: var(--color-text); overflow-wrap: anywhere; }
.scheda__mosse {
  font-size: 12px; line-height: 1.45; color: var(--color-neutral-500);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
/* la miniscacchiera non ha coordinate, e le ombre dei pezzi a quella misura sporcano */
.scheda .sch__pezzo { filter: none; }
.scheda .sch__casa { transition: background .25s ease; }
.eco {
  flex: none; padding: 1px 6px; border-radius: 4px; font-size: 11px; font-weight: 600; letter-spacing: .04em;
  color: var(--color-accent-200); background: color-mix(in srgb, var(--color-accent) 18%, transparent);
  font-variant-numeric: tabular-nums;
}

/* ═══════════════ Allenamento ═══════════════ */

.colonna-lato .riquadro--linea { flex: 0 1 auto; min-height: 0; overflow-y: auto; scrollbar-width: none; }
.colonna-lato .riquadro--bot { flex: 0 1 auto; min-height: 0; overflow-y: auto; scrollbar-width: none; }

@media (max-width: 899px) {
  .pagina { grid-template-areas: "apertura" "gioco" "azioni" "linea" "bot"; }
  .riquadro--apertura { grid-area: apertura; }
  .colonna-lato .riquadro--linea { grid-area: linea; overflow: visible; }
  .colonna-lato .riquadro--bot { grid-area: bot; overflow: visible; }
}

.riquadro__testa .etichetta { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.apertura-nome { margin: 0; font-family: var(--font-heading); font-size: 18px; font-weight: 500; line-height: 1.3; overflow-wrap: anywhere; }
.dettaglio { margin: 0; font-size: 12.5px; color: var(--color-neutral-500); line-height: 1.4; }

.progresso { height: 4px; border-radius: 2px; background: var(--color-neutral-800); overflow: hidden; }
.progresso span { display: block; height: 100%; width: var(--pct, 0%); background: var(--color-accent); transition: width .3s ease; }

.linea__mossa { padding: 1px 4px; border-radius: 4px; }
.linea__mossa--ora { background: color-mix(in srgb, var(--color-accent) 22%, transparent); }
.linea__nascosta { color: var(--color-neutral-600); }

.punteggi { padding-top: 6px; border-top: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent); }

/* ── Partita contro il bot ── */

.riquadro--bot { border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-divider)); }
.livelli { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; }
.livello {
  display: flex; flex-direction: column; align-items: center; gap: 1px; min-width: 0; padding: 5px 2px;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md); background: transparent;
  color: var(--color-neutral-400); font: inherit; cursor: pointer; transition: border-color .15s, background .15s, color .15s;
}
.livello:hover { color: var(--color-neutral-200); }
.livello.is-on { border-color: var(--color-accent); background: color-mix(in srgb, var(--color-accent) 18%, transparent); color: var(--color-accent-200); }
.livello__grado { font-family: var(--font-heading); font-size: 15px; line-height: 1.1; }
.livello__nome { max-width: 100%; font-size: 10.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.messaggio { margin: 0; font-size: 12.5px; color: var(--color-neutral-400); }
.messaggio:empty { display: none; }
.messaggio--errore { color: var(--sig-bad, #ff4d6a); }

@media (max-width: 520px) {
  .griglia { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .scheda { padding: 8px; gap: 8px; }
  .scheda__nome { font-size: 13px; }
  .cerca { flex-basis: 100%; }
}