/* ============================================================
   MEMORY SEQUENCE — Ripeti la sequenza
   ============================================================ */

:root {
  --ms-bg-1: #0a1a2e;
  --ms-bg-2: #0f2a4a;
  --ms-bg-3: #061428;
  --ms-accent: #06b6d4;
  --ms-accent-2: #22d3ee;
  --ms-amber: #fbbf24;
  --ms-red: #ef4444;
  --ms-green: #4ade80;
  --ms-purple: #a855f7;
  --ms-text: #ecfeff;
  --ms-text-dim: rgba(236, 254, 255, 0.65);
  --ms-text-mute: rgba(236, 254, 255, 0.35);
  --ms-glass: rgba(255, 255, 255, 0.05);
  --ms-glass-border: rgba(255, 255, 255, 0.12);
  --ms-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  --ms-font: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --ms-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100vh;
  font-family: var(--ms-font);
  color: var(--ms-text);
  background:
    radial-gradient(ellipse at 20% 10%, rgba(6, 182, 212, 0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
    linear-gradient(135deg, var(--ms-bg-1), var(--ms-bg-2) 50%, var(--ms-bg-3));
  background-attachment: fixed;
  overflow-x: hidden;
}

.ms-wrap { max-width: 720px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }

.ms-header { text-align: center; margin-bottom: 1.8rem; animation: msFadeDown 0.7s ease-out; }
@keyframes msFadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.ms-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.4);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #67e8f9;
  margin-bottom: 1rem;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
  font-family: var(--ms-mono);
}

.ms-header h1 {
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, #67e8f9 50%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.15;
}
.ms-header p { font-size: 1rem; color: var(--ms-text-dim); max-width: 500px; margin: 0 auto; }

.ms-setup {
  background: var(--ms-glass);
  border: 1px solid var(--ms-glass-border);
  border-radius: 20px;
  padding: 2rem;
  max-width: 520px;
  margin: 2rem auto;
  backdrop-filter: blur(15px);
  box-shadow: var(--ms-shadow);
  text-align: center;
  animation: msFadeDown 1s ease-out 0.1s both;
}
.ms-setup h2 {
  font-family: var(--ms-mono);
  font-size: 1.15rem;
  color: var(--ms-accent-2);
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.ms-setup-info {
  background: rgba(6, 182, 212, 0.06);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ms-text-dim);
  text-align: left;
}
.ms-setup-info strong { color: var(--ms-accent-2); font-family: var(--ms-mono); }

.ms-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: 12px;
  border: 2px solid transparent;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.ms-btn-main {
  background: linear-gradient(135deg, var(--ms-accent), var(--ms-accent-2));
  color: #0a1a2e;
  padding: 1rem 2rem;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.4);
  width: 100%;
}
.ms-btn-main:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(6, 182, 212, 0.6); }

.ms-game { animation: msFadeIn 0.5s ease-out; }
@keyframes msFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.ms-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.ms-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.4);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #67e8f9;
  font-family: var(--ms-mono);
}
.ms-status-dots { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; }
.ms-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.15); transition: all 0.3s ease; }
.ms-dot.is-current { background: var(--ms-accent-2); box-shadow: 0 0 12px var(--ms-accent-2); transform: scale(1.3); }
.ms-dot.is-done { background: var(--ms-green); box-shadow: 0 0 8px rgba(74, 222, 128, 0.6); }
.ms-dot.is-wrong { background: var(--ms-red); box-shadow: 0 0 8px rgba(239, 68, 68, 0.6); }

.ms-instruction {
  text-align: center;
  font-size: 1rem;
  color: var(--ms-text-dim);
  margin-bottom: 1.2rem;
  font-family: var(--ms-mono);
  letter-spacing: 0.03em;
  min-height: 1.5rem;
}
.ms-instruction strong { color: var(--ms-accent-2); }

/* ─── FASE VISUALIZZAZIONE ─── */
.ms-show-wrap {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 3rem 1.5rem;
  margin-bottom: 1.3rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.ms-show-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ms-accent), var(--ms-accent-2), transparent);
  animation: msScan 2s infinite;
}
@keyframes msScan {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.ms-show-seq {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.ms-show-emoji {
  font-size: 4rem;
  line-height: 1;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.3s ease;
}
.ms-show-emoji.is-visible {
  opacity: 1;
  transform: scale(1);
  filter: drop-shadow(0 0 25px rgba(34, 211, 238, 0.7));
  animation: msPop 0.4s ease;
}
@keyframes msPop {
  0% { transform: scale(0.5); }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.ms-countdown {
  text-align: center;
  font-family: var(--ms-mono);
  font-size: 1.5rem;
  color: var(--ms-accent-2);
  margin-bottom: 1rem;
}
.ms-countdown .ms-timer-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 0.8rem;
}
.ms-countdown .ms-timer-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ms-accent), var(--ms-accent-2));
  width: 100%;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px var(--ms-accent-2);
}

/* ─── FASE INPUT ─── */
.ms-input-wrap {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 1.5rem;
  margin-bottom: 1.3rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.ms-input-label {
  text-align: center;
  font-family: var(--ms-mono);
  font-size: 0.8rem;
  color: var(--ms-text-dim);
  margin-bottom: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ms-input-seq {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  min-height: 60px;
  align-items: center;
}

.ms-input-slot {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 2px dashed rgba(6, 182, 212, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: all 0.2s ease;
}
.ms-input-slot.is-filled {
  background: rgba(6, 182, 212, 0.15);
  border: 2px solid var(--ms-accent-2);
  box-shadow: 0 0 15px rgba(34, 211, 238, 0.3);
}
.ms-input-slot.is-correct {
  background: rgba(74, 222, 128, 0.2);
  border: 2px solid var(--ms-green);
  box-shadow: 0 0 15px rgba(74, 222, 128, 0.5);
}
.ms-input-slot.is-wrong {
  background: rgba(239, 68, 68, 0.15);
  border: 2px solid var(--ms-red);
  animation: msShake 0.4s ease;
}
@keyframes msShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.ms-choices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.ms-choice {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(6, 182, 212, 0.3);
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  padding: 0;
  line-height: 1;
  user-select: none;
}
.ms-choice:hover:not(:disabled) {
  border-color: var(--ms-accent-2);
  background: rgba(6, 182, 212, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.3);
}
.ms-choice:disabled { cursor: not-allowed; opacity: 0.5; }

.ms-feedback {
  border-radius: 12px;
  padding: 1rem 1.2rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.55;
  display: none;
  text-align: center;
  animation: msSlideIn 0.4s ease-out;
}
@keyframes msSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.ms-feedback.is-visible { display: block; }
.ms-feedback.is-correct {
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.15), rgba(74, 222, 128, 0.05));
  border: 1px solid rgba(74, 222, 128, 0.4);
  border-left: 4px solid var(--ms-green);
  color: #b8f5c8;
}
.ms-feedback.is-wrong {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.05));
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-left: 4px solid var(--ms-red);
  color: #f5b8c8;
}
.ms-feedback strong {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--ms-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.ms-next-wrap { text-align: center; margin-top: 0.5rem; }
.ms-next-wrap.hidden { display: none; }
.ms-btn-next {
  background: linear-gradient(135deg, var(--ms-accent), var(--ms-accent-2));
  color: #0a1a2e;
  padding: 0.9rem 2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.4);
}
.ms-btn-next:hover { transform: translateY(-2px); box-shadow: 0 10px 35px rgba(6, 182, 212, 0.6); }

.ms-final { animation: msFadeIn 0.6s ease-out; text-align: center; }
.ms-final-score-box {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(34, 211, 238, 0.08));
  border: 2px solid var(--ms-accent-2);
  border-radius: 20px;
  padding: 2.5rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 60px rgba(6, 182, 212, 0.2);
  position: relative;
  overflow: hidden;
}
.ms-final-score-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--ms-accent-2), var(--ms-accent), transparent);
  animation: msScan 2s infinite;
}
.ms-final-label {
  font-family: var(--ms-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #67e8f9;
  margin-bottom: 0.5rem;
}
.ms-final-score {
  font-family: var(--ms-mono);
  font-size: clamp(3.5rem, 12vw, 5.5rem);
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--ms-accent-2), var(--ms-accent), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(6, 182, 212, 0.5));
  margin-bottom: 0.5rem;
}
.ms-final-rating { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 0.3rem; }
.ms-final-sub { font-size: 0.85rem; color: var(--ms-text-dim); font-family: var(--ms-mono); }

.ms-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  margin-bottom: 1.8rem;
}
.ms-stat {
  background: var(--ms-glass);
  border: 1px solid var(--ms-glass-border);
  border-radius: 12px;
  padding: 1rem 0.6rem;
  text-align: center;
}
.ms-stat-value {
  font-family: var(--ms-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ms-accent-2);
  display: block;
  margin-bottom: 0.2rem;
}
.ms-stat-value.is-green { color: var(--ms-green); }
.ms-stat-value.is-red { color: var(--ms-red); }
.ms-stat-label {
  font-size: 0.7rem;
  color: var(--ms-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--ms-mono);
}

@media (max-width: 640px) {
  .ms-wrap { padding: 1rem 0.8rem 3rem; }
  .ms-header h1 { font-size: 1.5rem; }
  .ms-setup { padding: 1.5rem 1.2rem; }
  .ms-show-emoji { font-size: 2.8rem; }
  .ms-input-slot { width: 46px; height: 46px; font-size: 1.5rem; }
  .ms-choice { font-size: 1.8rem; border-radius: 12px; }
  .ms-stats { grid-template-columns: 1fr 1fr; }
  .ms-stats .ms-stat:last-child { grid-column: 1 / -1; }
}