/* =====================================================================
   Diggio Quiz - Stile principale (neon / dark / tech)
   ===================================================================== */

:root {
  --dq-bg-dark: #0D0E17;
  --dq-panel-dark: #181E32;
  --dq-electric-blue: #00A2FF;
  --dq-neon-purple: #7C3AED;
  --dq-magenta: #FF00E5;
  --dq-success-green: #00C853;
  --dq-gold: #FFD700;
  --dq-white: #FFFFFF;
  --dq-danger: #E53935;
  --dq-warning: #FFA000;
  --dq-radius-large: 24px;
  --dq-radius-button: 14px;
  --dq-shadow-neon: 0 0 24px rgba(124, 58, 237, 0.65);
  --dq-text-muted: #9AA3C0;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background-color: var(--dq-bg-dark);
  background-image: radial-gradient(circle at 20% 0%, rgba(124,58,237,0.18), transparent 45%),
                    radial-gradient(circle at 90% 90%, rgba(0,162,255,0.15), transparent 45%);
  background-attachment: fixed;
  color: var(--dq-white);
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a { color: var(--dq-electric-blue); }

/* ---- Layout di base ---- */
.dq-wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 18px 40px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.dq-center {
  justify-content: center;
  align-items: stretch;
}

.dq-logo {
  display: block;
  max-width: 240px;
  margin: 8px auto 18px;
}

/* ---- Homepage pubblica ---- */
.dq-home { max-width: 760px; }
.dq-home .dq-logo { max-width: 300px; margin-bottom: 26px; }
.dq-home-join { padding: clamp(22px, 4vw, 36px); }
.dq-home-kicker {
  margin: 0 0 7px;
  color: var(--dq-electric-blue);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.dq-home-join h1 { margin: 0 0 8px; font-size: clamp(1.75rem, 4vw, 2.55rem); }
.dq-home-code-form { margin-top: 22px; }
.dq-home-code-row { display: grid; grid-template-columns: minmax(0, 1fr) 150px; gap: 12px; align-items: stretch; }
.dq-home-code-row .dq-input { min-height: 58px; }
.dq-home-code-row .dq-btn { min-height: 58px; margin: 0; }
.dq-home-code-form small { display: block; margin-top: 10px; color: var(--dq-text-muted); }
.dq-home-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 10px 0 18px;
}
.dq-home-info > div {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px;
  border: 1px solid rgba(124,58,237,.25);
  border-radius: 12px;
  background: rgba(24,30,50,.55);
  color: var(--dq-text-muted);
  font-size: .82rem;
  text-align: left;
}
.dq-home-info strong {
  display: inline-flex;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dq-electric-blue), var(--dq-neon-purple));
  color: #fff;
}
.dq-home-organizer { display: flex; align-items: center; justify-content: space-between; gap: 18px; text-align: left; }
.dq-home-organizer p { margin: 5px 0 0; color: var(--dq-text-muted); font-size: .9rem; }
.dq-home-organizer-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.dq-home-organizer-actions .dq-btn { margin: 0; white-space: nowrap; }
.dq-home-footer { display: grid; gap: 5px; line-height: 1.45; }
.dq-home-footer-title { color: var(--dq-white); font-weight: 700; }
.dq-home-footer a { color: var(--dq-electric-blue); }

.dq-card {
  background: var(--dq-panel-dark);
  border: 1px solid rgba(124,58,237,0.35);
  border-radius: var(--dq-radius-large);
  box-shadow: var(--dq-shadow-neon);
  padding: 22px;
  margin-bottom: 18px;
}

.dq-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 0 6px;
  background: linear-gradient(90deg, var(--dq-electric-blue), var(--dq-magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.dq-subtitle { color: var(--dq-text-muted); margin: 0 0 18px; font-size: .95rem; }

/* ---- Form ---- */
.dq-label { display: block; font-weight: 600; margin: 14px 0 6px; font-size: .9rem; }

.dq-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 1.05rem;
  border-radius: var(--dq-radius-button);
  border: 2px solid rgba(154,163,192,0.3);
  background: rgba(13,14,23,0.6);
  color: var(--dq-white);
  outline: none;
  transition: border-color .15s;
}
.dq-input:focus { border-color: var(--dq-electric-blue); }

.dq-input.dq-code {
  text-align: center;
  letter-spacing: .35em;
  font-size: 1.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

/* ---- Bottoni ---- */
.dq-btn {
  display: block;
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
  font-weight: 800;
  border: none;
  border-radius: var(--dq-radius-button);
  cursor: pointer;
  margin-top: 16px;
  color: #fff;
  background: linear-gradient(90deg, var(--dq-electric-blue), var(--dq-neon-purple));
  box-shadow: 0 6px 18px rgba(0,162,255,0.35);
  transition: transform .08s, box-shadow .15s, opacity .15s;
}
.dq-btn:hover { box-shadow: 0 8px 26px rgba(124,58,237,0.55); }
.dq-btn:active { transform: translateY(2px); }
.dq-btn:disabled { opacity: .5; cursor: not-allowed; }

.dq-btn-secondary {
  background: transparent;
  border: 2px solid var(--dq-neon-purple);
  box-shadow: none;
}
.dq-btn-danger { background: linear-gradient(90deg, var(--dq-danger), #b71c1c); box-shadow: none; }
.dq-btn-gold { background: linear-gradient(90deg, var(--dq-gold), #ffb300); color: #1a1a1a; box-shadow: none; }
.dq-btn-small { padding: 10px 14px; font-size: .9rem; margin-top: 0; width: auto; display: inline-block; }

/* ---- Messaggi ---- */
.dq-msg { margin-top: 14px; padding: 12px 14px; border-radius: var(--dq-radius-button); font-weight: 600; font-size: .92rem; }
.dq-msg-error { background: rgba(229,57,53,0.15); border: 1px solid var(--dq-danger); color: #ff8a85; }
.dq-msg-ok { background: rgba(0,200,83,0.15); border: 1px solid var(--dq-success-green); color: #7be3a5; }
.dq-hidden { display: none !important; }

/* ---- Avatar ---- */
.dq-avatars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 8px;
}
.dq-avatar {
  border: 3px solid transparent;
  border-radius: 16px;
  padding: 4px;
  background: rgba(13,14,23,0.6);
  cursor: pointer;
  transition: border-color .15s, transform .1s;
}
.dq-avatar img { width: 100%; display: block; border-radius: 12px; }
.dq-avatar.selected { border-color: var(--dq-gold); transform: scale(1.05); }

/* ---- Lista giocatori (lobby) ---- */
.dq-players { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.dq-player-chip {
  display: flex; align-items: center; gap: 8px;
  background: rgba(13,14,23,0.6);
  border: 1px solid rgba(124,58,237,0.4);
  border-radius: 999px;
  padding: 6px 14px 6px 6px;
  font-weight: 600;
}
.dq-player-chip img { width: 32px; height: 32px; border-radius: 50%; }

/* ---- Risposte quiz (giocatore) ---- */
.dq-answers { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.dq-answer {
  padding: 22px 14px;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--dq-radius-button);
  color: #fff;
  cursor: pointer;
  min-height: 90px;
  transition: transform .08s, opacity .15s;
}
.dq-answer:active { transform: scale(0.97); }
.dq-answer:disabled { cursor: default; }
.dq-answer-0 { background: linear-gradient(135deg, #00A2FF, #0066cc); }
.dq-answer-1 { background: linear-gradient(135deg, #FF00E5, #a8009a); }
.dq-answer-2 { background: linear-gradient(135deg, #FFA000, #cc7a00); }
.dq-answer-3 { background: linear-gradient(135deg, #00C853, #00963d); }
.dq-answer.dimmed { opacity: .25; }
.dq-answer.correct { outline: 4px solid var(--dq-gold); }

/* ---- Timer ---- */
.dq-timer {
  font-size: 2.2rem;
  font-weight: 900;
  text-align: center;
  color: var(--dq-gold);
}
.dq-timerbar { height: 14px; border-radius: 999px; background: rgba(255,255,255,0.12); overflow: hidden; margin-top: 8px; }
.dq-timerbar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--dq-success-green), var(--dq-gold), var(--dq-danger)); transition: width .9s linear; }

/* ---- Punti / risultato ---- */
.dq-bigstat { text-align: center; padding: 20px 0; }
.dq-bigstat .num { font-size: 3rem; font-weight: 900; color: var(--dq-gold); }
.dq-bigstat .lbl { color: var(--dq-text-muted); font-weight: 600; }

/* ---- Classifica ---- */
.dq-leaderboard { list-style: none; margin: 12px 0 0; padding: 0; }
.dq-leaderboard li {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; margin-bottom: 8px;
  background: rgba(13,14,23,0.6);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 14px;
}
.dq-leaderboard .rank { font-weight: 900; font-size: 1.2rem; width: 32px; text-align: center; color: var(--dq-electric-blue); }
.dq-leaderboard .nick { flex: 1; font-weight: 700; }
.dq-leaderboard .pts { font-weight: 800; color: var(--dq-gold); }
.dq-leaderboard img { width: 36px; height: 36px; border-radius: 50%; }
.dq-leaderboard li.top1 { border-color: var(--dq-gold); }
.dq-leaderboard li.top1 .rank { color: var(--dq-gold); }

/* ---- Spinner ---- */
.dq-spinner { width: 38px; height: 38px; border: 4px solid rgba(255,255,255,0.2); border-top-color: var(--dq-electric-blue); border-radius: 50%; margin: 20px auto; animation: dq-spin 0.8s linear infinite; }
@keyframes dq-spin { to { transform: rotate(360deg); } }

.dq-foot { text-align: center; color: var(--dq-text-muted); font-size: .8rem; margin-top: auto; padding-top: 20px; }

@media (max-width: 620px) {
  .dq-home .dq-logo { max-width: 235px; margin-bottom: 18px; }
  .dq-home-code-row { grid-template-columns: 1fr; }
  .dq-home-info { grid-template-columns: 1fr; }
  .dq-home-organizer { align-items: flex-start; flex-direction: column; }
  .dq-home-organizer-actions, .dq-home-organizer-actions .dq-btn { width: 100%; }
}