/* ============================================================================
 * odc-entry.css — Design system dell'INGRESSO OneDay Cup
 * ============================================================================
 *
 * Usato SOLO dalle pagine di ingresso (landing.html, login.html,
 * scegli-torneo.html). L'ingresso è brand-NEUTRO OneDay Cup (oro/navy):
 * NON include tm-theme.css e NON deriva colori da --tm-primary-color,
 * perché a questo punto l'utente non ha ancora scelto un torneo.
 * Le pagine marcano <html data-tm-neutral> per disattivare l'auto-branding
 * di tm-tournament-state.js.
 * ========================================================================= */

:root {
  --odc-bg: #06080f;
  --odc-surface: rgba(255, 255, 255, 0.055);
  --odc-surface-2: rgba(255, 255, 255, 0.09);
  --odc-stroke: rgba(255, 255, 255, 0.12);
  --odc-stroke-strong: rgba(255, 255, 255, 0.24);
  --odc-ink: #f7f9fc;
  --odc-ink-muted: rgba(247, 249, 252, 0.68);
  --odc-ink-dim: rgba(247, 249, 252, 0.44);

  --odc-gold: #f7b32b;
  --odc-gold-soft: rgba(247, 179, 43, 0.16);
  --odc-grad-gold: linear-gradient(135deg, #ffd166 0%, #f7b32b 48%, #ef8f0e 100%);

  --odc-green: #34d399;
  --odc-amber: #fbbf24;
  --odc-red: #fb7185;

  --odc-r-lg: 22px;
  --odc-r-md: 16px;
  --odc-r-sm: 12px;

  --odc-font-display: "Barlow Condensed", "Inter", system-ui, sans-serif;
  --odc-font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html { background: var(--odc-bg); }

body.odc-bg {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--odc-font-body);
  background: var(--odc-bg);
  color: var(--odc-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

/* ── Ambiente: luci da stadio + grana ─────────────────────────────────── */

.odc-glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.odc-glow--gold {
  width: 72vmax; height: 72vmax;
  top: -28vmax; left: -20vmax;
  background: radial-gradient(closest-side, rgba(247, 179, 43, 0.20), transparent 70%);
  animation: odcDriftA 26s ease-in-out infinite alternate;
}
.odc-glow--cool {
  width: 64vmax; height: 64vmax;
  bottom: -30vmax; right: -24vmax;
  background: radial-gradient(closest-side, rgba(59, 130, 246, 0.14), transparent 70%);
  animation: odcDriftB 32s ease-in-out infinite alternate;
}
@keyframes odcDriftA {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(6vmax, 4vmax, 0) scale(1.12); }
}
@keyframes odcDriftB {
  from { transform: translate3d(0, 0, 0) scale(1.08); }
  to   { transform: translate3d(-5vmax, -4vmax, 0) scale(1); }
}

.odc-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Contenuto sopra l'ambiente */
.odc-layer { position: relative; z-index: 1; }

/* ── Tipografia ───────────────────────────────────────────────────────── */

.odc-kicker {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--odc-gold);
  margin: 0;
}

.odc-display {
  font-family: var(--odc-font-display);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.005em;
  line-height: 0.95;
  margin: 0;
}

.odc-display--gold {
  background: var(--odc-grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.odc-sub {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--odc-ink-muted);
  margin: 0;
}

.odc-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ── Bottoni ──────────────────────────────────────────────────────────── */

.odc-btn {
  appearance: none;
  border: 1px solid transparent;
  background: none;
  color: inherit;
  font: inherit;
  width: 100%;
  height: 52px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--odc-r-md);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.1px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, opacity 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.odc-btn:active { transform: scale(0.97); }
.odc-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.odc-btn:focus-visible {
  outline: 2px solid rgba(247, 179, 43, 0.85);
  outline-offset: 2px;
}

.odc-btn--apple {
  background: linear-gradient(180deg, #101319, #05070c);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.16);
}
.odc-btn--google {
  background: #fff;
  color: #17181c;
}
.odc-btn--glass {
  background: var(--odc-surface);
  color: var(--odc-ink);
  border-color: var(--odc-stroke);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.odc-btn--gold {
  background: var(--odc-grad-gold);
  color: #221302;
  font-weight: 800;
  box-shadow: 0 14px 38px rgba(240, 148, 12, 0.28);
}

/* ── Divider ──────────────────────────────────────────────────────────── */

.odc-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0;
}
.odc-divider::before,
.odc-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.10);
}
.odc-divider span {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--odc-ink-dim);
  white-space: nowrap;
}

/* ── Badge stato ──────────────────────────────────────────────────────── */

.odc-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  white-space: nowrap;
}
.odc-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.odc-badge--open {
  color: #6ee7b7;
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.35);
}
.odc-badge--open .dot { animation: odcPulse 1.6s ease-in-out infinite; }

.odc-badge--soon {
  color: #fcd34d;
  background: rgba(251, 191, 36, 0.10);
  border-color: rgba(251, 191, 36, 0.32);
}

.odc-badge--closed {
  color: rgba(247, 249, 252, 0.62);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

.odc-badge--done {
  color: rgba(247, 249, 252, 0.55);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.10);
}

@keyframes odcPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  55%      { box-shadow: 0 0 0 6px rgba(52, 211, 153, 0); }
}

/* ── Skeleton ─────────────────────────────────────────────────────────── */

.odc-skel {
  border-radius: var(--odc-r-lg);
  background: linear-gradient(100deg,
    rgba(255, 255, 255, 0.05) 40%,
    rgba(255, 255, 255, 0.10) 50%,
    rgba(255, 255, 255, 0.05) 60%);
  background-size: 200% 100%;
  animation: odcShimmer 1.4s ease-in-out infinite;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
@keyframes odcShimmer {
  from { background-position: 120% 0; }
  to   { background-position: -80% 0; }
}

/* ── Animazioni d'ingresso ────────────────────────────────────────────── */

@keyframes odcFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes odcPop {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

.odc-anim-pop { animation: odcPop 0.55s cubic-bezier(0.16, 1, 0.3, 1) both; }
.odc-anim-up  { animation: odcFadeUp 0.55s cubic-bezier(0.16, 1, 0.3, 1) both; }
.odc-d1 { animation-delay: 0.08s; }
.odc-d2 { animation-delay: 0.16s; }
.odc-d3 { animation-delay: 0.24s; }
.odc-d4 { animation-delay: 0.32s; }
.odc-d5 { animation-delay: 0.40s; }
.odc-d6 { animation-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
  .odc-glow--gold, .odc-glow--cool,
  .odc-anim-pop, .odc-anim-up,
  .odc-badge--open .dot,
  .odc-skel {
    animation: none !important;
  }
  .odc-anim-pop, .odc-anim-up { opacity: 1; transform: none; }
}
