/* ============================================================
   SERIE NUMERICHE — Stile specifico del gioco
   Usa solo variabili --game-*
   ============================================================ */

.sn-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 1rem 3rem;
}

.sn-header {
  text-align: center;
  margin-bottom: 1.5rem;
  animation: snFadeDown 0.6s ease-out;
}
@keyframes snFadeDown {
  from { opacity: 0; transform: translateY(-15px); }
  to { opacity: 1; transform: translateY(0); }
}

.sn-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--game-accent-soft);
  border: 1.5px solid var(--game-accent);
  padding: 0.4rem 1rem;
  border-radius: var(--game-radius-pill);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--game-accent);
  margin-bottom: 1rem;
  font-family: var(--game-mono);
}

.sn-header h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 0.4rem;
  color: var(--game-text);
  line-height: 1.15;
}

.sn-header p {
  font-size: 1rem;
  color: var(--game-text-soft);
  max-width: 500px;
  margin: 0 auto;
}

.sn-setup {
  background: var(--game-card);
  border: 1.5px solid var(--game-border);
  border-radius: var(--game-radius-lg);
  padding: 2rem;
  max-width: 520px;
  margin: 1.5rem auto;
  box-shadow: var(--game-shadow-md);
  text-align: center;
}

.sn-setup h2 {
  font-family: var(--game-mono);
  font-size: 1.15rem;
  color: var(--game-text);
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 800;
}

.sn-setup-info {
  background: var(--game-bg-soft);
  border: 1.5px solid var(--game-border);
  border-radius: var(--game-radius);
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--game-text-soft);
  text-align: left;
}
.sn-setup-info strong {
  color: var(--game-accent);
  font-family: var(--game-mono);
}

.sn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--game-radius);
  border: 1.5px solid transparent;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.sn-btn-main {
  background: var(--game-accent);
  color: var(--game-text-invert);
  border-color: var(--game-accent);
  padding: 1rem 2rem;
  font-size: 1.05rem;
  width: 100%;
  font-weight: 800;
  box-shadow: 0 4px 16px var(--game-accent-soft);
}
.sn-btn-main:hover {
  background: var(--game-accent-dark);
  border-color: var(--game-accent-dark);
  transform: translateY(-2px);
}

.sn-game { animation: snFadeIn 0.4s ease-out; }
@keyframes snFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.sn-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

.sn-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--game-accent-soft);
  border: 1.5px solid var(--game-accent);
  padding: 0.4rem 1rem;
  border-radius: var(--game-radius-pill);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--game-accent);
  font-family: var(--game-mono);
}

.sn-status-dots { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; }
.sn-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--game-border);
  transition: all 0.3s ease;
}
.sn-dot.is-current {
  background: var(--game-accent);
  transform: scale(1.3);
}
.sn-dot.is-done { background: var(--game-success); }
.sn-dot.is-wrong { background: var(--game-error); }

.sn-timer {
  position: relative;
  width: 76px;
  height: 76px;
  margin-left: auto;
}
.sn-timer svg { transform: rotate(-90deg); width: 100%; height: 100%; }
.sn-timer-bg { fill: none; stroke: var(--game-border); stroke-width: 6; }
.sn-timer-bar {
  fill: none;
  stroke: var(--game-accent);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.1s linear, stroke 0.3s ease;
}
.sn-timer.is-warning .sn-timer-bar { stroke: var(--game-warning); }
.sn-timer.is-danger .sn-timer-bar { stroke: var(--game-error); }
.sn-timer-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--game-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--game-accent);
}
.sn-timer.is-warning .sn-timer-text { color: var(--game-warning); }
.sn-timer.is-danger .sn-timer-text { color: var(--game-error); }

.sn-serie-wrap {
  background: var(--game-card);
  border: 1.5px solid var(--game-border);
  border-radius: var(--game-radius-lg);
  padding: 2rem 1.5rem;
  margin-bottom: 1.3rem;
  box-shadow: var(--game-shadow-md);
  text-align: center;
}

.sn-serie {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-family: var(--game-mono);
}

.sn-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  height: 64px;
  padding: 0 0.8rem;
  background: var(--game-accent-soft);
  border: 2px solid var(--game-accent);
  border-radius: 14px;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--game-accent);
}
.sn-num.is-question {
  background: var(--game-warning-soft);
  border: 2px dashed var(--game-warning);
  color: var(--game-warning);
  animation: snBlink 1.5s infinite;
}
@keyframes snBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.sn-options-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  margin-bottom: 1.2rem;
}

.sn-option {
  padding: 1.1rem 1.4rem;
  background: var(--game-card);
  border: 2px solid var(--game-border);
  border-radius: var(--game-radius);
  font-family: var(--game-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--game-text);
  cursor: pointer;
  transition: all 0.15s ease;
}
.sn-option:hover:not(:disabled) {
  border-color: var(--game-accent);
  background: var(--game-accent-soft);
  transform: translateY(-2px);
  box-shadow: var(--game-shadow-md);
}
.sn-option:disabled { cursor: not-allowed; }
.sn-option.is-correct {
  background: var(--game-success-soft);
  border-color: var(--game-success);
  color: var(--game-success);
}
.sn-option.is-wrong {
  background: var(--game-error-soft);
  border-color: var(--game-error);
  color: var(--game-error);
  animation: snShake 0.4s ease;
}
.sn-option.is-dim { opacity: 0.4; }
@keyframes snShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

.sn-feedback {
  border-radius: var(--game-radius);
  padding: 1rem 1.2rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.55;
  display: none;
  border-left: 4px solid;
}
.sn-feedback.is-visible { display: block; }
.sn-feedback.is-correct {
  background: var(--game-success-soft);
  border-color: var(--game-success);
  color: var(--game-success);
}
.sn-feedback.is-wrong {
  background: var(--game-error-soft);
  border-color: var(--game-error);
  color: var(--game-error);
}
.sn-feedback.is-timeout {
  background: var(--game-warning-soft);
  border-color: var(--game-warning);
  color: var(--game-warning);
}
.sn-feedback strong {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--game-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 800;
}

.sn-next-wrap { text-align: center; margin-top: 0.5rem; }
.sn-next-wrap.hidden { display: none; }
.sn-btn-next {
  background: var(--game-accent);
  color: var(--game-text-invert);
  border: 1.5px solid var(--game-accent);
  padding: 0.9rem 2rem;
  border-radius: var(--game-radius);
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
}
.sn-btn-next:hover {
  background: var(--game-accent-dark);
  border-color: var(--game-accent-dark);
  transform: translateY(-2px);
}

.sn-final { text-align: center; animation: snFadeIn 0.5s ease-out; }

.sn-final-score-box {
  background: var(--game-accent-soft);
  border: 2px solid var(--game-accent);
  border-radius: var(--game-radius-lg);
  padding: 2.5rem 1.5rem;
  margin-bottom: 1.5rem;
}
.sn-final-label {
  font-family: var(--game-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--game-accent);
  margin-bottom: 0.5rem;
}
.sn-final-score {
  font-family: var(--game-mono);
  font-size: clamp(3rem, 10vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--game-accent);
  margin-bottom: 0.5rem;
}
.sn-final-rating { font-size: 1.05rem; font-weight: 700; color: var(--game-text); margin-bottom: 0.3rem; }
.sn-final-sub { font-size: 0.85rem; color: var(--game-text-soft); font-family: var(--game-mono); }

.sn-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  margin-bottom: 1.8rem;
}
.sn-stat {
  background: var(--game-card);
  border: 1.5px solid var(--game-border);
  border-radius: var(--game-radius);
  padding: 1rem 0.6rem;
  text-align: center;
}
.sn-stat-value {
  font-family: var(--game-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--game-accent);
  display: block;
  margin-bottom: 0.2rem;
}
.sn-stat-value.is-green { color: var(--game-success); }
.sn-stat-value.is-red { color: var(--game-error); }
.sn-stat-label {
  font-size: 0.7rem;
  color: var(--game-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--game-mono);
}

@media (max-width: 640px) {
  .sn-wrap { padding: 1rem 0.8rem 3rem; }
  .sn-header h1 { font-size: 1.4rem; }
  .sn-setup { padding: 1.5rem 1.2rem; }
  .sn-num { min-width: 55px; height: 55px; font-size: 1.4rem; }
  .sn-option { font-size: 1.15rem; padding: 0.9rem 1rem; }
  .sn-timer { width: 64px; height: 64px; }
  .sn-timer-text { font-size: 1rem; }
  .sn-stats { grid-template-columns: 1fr 1fr; }
  .sn-stats .sn-stat:last-child { grid-column: 1 / -1; }
}