/* =========================================================
   ARENA UI — CARD SYSTEM (Base)
   Mobile-first, atomic, senza regole duplicate
========================================================= */

/* ---------- BASE CARD ---------- */

.card {
  position: relative;
  display: flex;
  flex-direction: column;

  width: 100%;
  border-radius: var(--aa-radius-lg);
  background: rgba(15,23,42,0.55);      /* tuo slate semitrasparente */
  border: 1px solid var(--aa-border-slate);

  box-shadow: var(--aa-shadow-card);
  overflow: hidden;
  isolation: isolate; /* evita mix di z-index */

  transition:
    transform var(--aa-time-fast) ease,
    box-shadow var(--aa-time-fast) ease,
    border-color var(--aa-time-fast) ease;
}

/* Hover solo desktop */
@media (hover:hover) and (pointer:fine){
  .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--aa-shadow-card-hover);
    border-color: rgba(56,189,248,.22); /* cyan glow che hai già */
  }
}

/* ---------- CARD SECTIONS ---------- */

.card-header {
  padding: var(--aa-space-md);
  display: flex;
  flex-direction: column;
  gap: var(--aa-space-sm);
}

.card-body {
  padding: var(--aa-space-md);
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: var(--aa-space-sm);
}

.card-footer {
  padding: var(--aa-space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--aa-space-sm);
}

/* ---------- TITLES & TEXT ---------- */

.card-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1.1;
  color: #fff;
}

.card-subtitle {
  margin: 0;
  font-size: 0.9rem;
  opacity: .85;
}

/* ---------- CARD IMAGE SYSTEM ---------- */

.card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  opacity: 0;
  transition: opacity var(--aa-time-normal) ease,
              transform var(--aa-time-normal) ease,
              filter var(--aa-time-normal) ease;
  z-index: 0;
}

.card-bg.bg-ready {
  opacity: 1;
}

@media (hover:hover) and (pointer:fine){
  .card:hover .card-bg {
    transform: scale(1.05);
    filter: saturate(1.1) contrast(1.1);
  }
}

/* ---------- CARD OVERLAY (Hero-style, già usato nelle game-card) ---------- */

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    var(--aa-overlay-top) 0%,
    var(--aa-overlay-mid) 55%,
    var(--aa-overlay-deep) 100%
  );
  z-index: 1;
}

/* ---------- CONTENT ON TOP ---------- */

.card-content {
  position: relative;
  z-index: 2;

  padding: var(--aa-space-md);
  display: flex;
  flex-direction: column;
  gap: var(--aa-space-sm);
}

/* ---------- CARD BADGES SUPPORT (base, senza colori) ---------- */

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--aa-space-xs);
  margin-top: auto;
}

.card-badge {
  padding: 4px 10px;
  font-size: 0.75rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.15);
  font-weight: 700;
  letter-spacing: .02em;
}