/* ══════════════════════════════════════════════════════════════
   ESCAPE ROOM A LIVELLI — layout responsive con tema chiaro/scuro
   Usa solo var(--game-*)
   ══════════════════════════════════════════════════════════════ */

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

/* ─── WRAP ─── */
.er-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  position: relative;
}

/* ─── HEADER ─── */
.er-header {
  text-align: center;
  margin-bottom: 1.5rem;
  animation: erFadeDown .8s ease-out;
}
@keyframes erFadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.er-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--game-accent-soft);
  border: 1.5px solid var(--game-accent);
  padding: .4rem 1rem;
  border-radius: var(--game-radius-pill);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  color: var(--game-accent);
  font-family: var(--game-mono);
}
.er-header h1 {
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  font-weight: 800;
  margin-bottom: .6rem;
  letter-spacing: -.02em;
  color: var(--game-text);
  line-height: 1.15;
}
.er-header p {
  font-size: 1rem;
  color: var(--game-text-soft);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ─── BARRA DI STATO ─── */
.er-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
  padding: 1rem 1.2rem;
  background: var(--game-card);
  border: 1.5px solid var(--game-border);
  border-radius: var(--game-radius-lg);
  box-shadow: var(--game-shadow-md);
  flex-wrap: wrap;
  animation: erFadeDown 1s ease-out .1s both;
}

.er-progress-wrap {
  flex: 1;
  min-width: 200px;
}
.er-progress-label {
  font-size: .7rem;
  color: var(--game-text-soft);
  margin-bottom: .4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  display: flex;
  justify-content: space-between;
  font-family: var(--game-mono);
}
.er-progress-bar {
  height: 6px;
  background: var(--game-bg-soft);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.er-progress-fill {
  height: 100%;
  background: var(--game-accent);
  border-radius: 999px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}

.er-timer {
  font-family: var(--game-mono);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--game-accent);
  padding: .5rem .9rem;
  background: var(--game-accent-soft);
  border: 1.5px solid var(--game-accent);
  border-radius: var(--game-radius);
}
.er-timer.is-low {
  color: var(--game-error);
  background: var(--game-error-soft);
  border-color: var(--game-error);
  animation: erPulse 1s infinite;
}
@keyframes erPulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ─── CHIAVI ─── */
.er-keys {
  display: flex;
  gap: .4rem;
  align-items: center;
  padding: .4rem .6rem;
  background: var(--game-bg-soft);
  border-radius: var(--game-radius);
  border: 1.5px solid var(--game-border);
}
.er-key {
  font-size: 1.2rem;
  opacity: .25;
  filter: grayscale(1);
  transition: all .3s;
}
.er-key.is-found {
  opacity: 1;
  filter: grayscale(0);
  animation: erKeyFound .8s ease-out;
}
@keyframes erKeyFound {
  0% { transform: scale(0) rotate(-180deg); }
  60% { transform: scale(1.4) rotate(10deg); }
  100% { transform: scale(1) rotate(0); }
}

/* ─── SELEZIONE LIVELLI ─── */
.er-levels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: .6rem;
  margin-bottom: 1.5rem;
  animation: erFadeDown 1.2s ease-out .2s both;
}
.er-level-btn {
  padding: 1rem .8rem;
  background: var(--game-bg-soft);
  border: 2px solid var(--game-border);
  border-radius: var(--game-radius-lg);
  color: var(--game-text-mute);
  font-family: inherit;
  font-weight: 800;
  font-size: .9rem;
  cursor: not-allowed;
  transition: all .25s;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.er-level-btn .lvl-num {
  display: block;
  font-family: var(--game-mono);
  font-size: 1.4rem;
  margin-bottom: .2rem;
  color: inherit;
}
.er-level-btn .lvl-name {
  display: block;
  font-size: .75rem;
  opacity: .7;
}
.er-level-btn.is-unlocked {
  cursor: pointer;
  color: var(--game-text);
  border-color: var(--game-accent);
  background: var(--game-accent-soft);
}
.er-level-btn.is-unlocked:hover {
  transform: translateY(-3px);
  box-shadow: var(--game-shadow-md);
  border-color: var(--game-accent-dark);
}
.er-level-btn.is-current {
  border-color: var(--game-accent);
  background: var(--game-accent-soft);
  box-shadow: 0 0 0 3px var(--game-accent-soft);
}
.er-level-btn.is-completed {
  border-color: var(--game-success);
  background: var(--game-success-soft);
  color: var(--game-success);
}
.er-level-btn.is-completed::after {
  content: '✓';
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: .9rem;
  color: var(--game-success);
  font-weight: 900;
}
.er-level-btn.is-locked::before {
  content: '🔒';
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: .8rem;
  opacity: .5;
}

/* ─── STANZA / ENIGMA ─── */
.er-room {
  background: var(--game-card);
  border: 1.5px solid var(--game-border);
  border-radius: var(--game-radius-lg);
  padding: 2rem 1.6rem;
  box-shadow: var(--game-shadow-md);
  animation: erRoomEnter .6s cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
}
@keyframes erRoomEnter {
  from { opacity: 0; transform: translateY(30px) scale(.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.er-room-badge {
  display: inline-block;
  padding: .3rem .8rem;
  background: var(--game-accent-soft);
  border: 1.5px solid var(--game-accent);
  border-radius: var(--game-radius-pill);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--game-accent);
  margin-bottom: .8rem;
  font-family: var(--game-mono);
}
.er-room-icon {
  font-size: 4rem;
  text-align: center;
  margin-bottom: .8rem;
  animation: erFloatIcon 3s ease-in-out infinite;
}
@keyframes erFloatIcon {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.er-room-title {
  font-size: 1.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: .6rem;
  color: var(--game-text);
}
.er-room-desc {
  font-size: .95rem;
  color: var(--game-text-soft);
  text-align: center;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}

/* Clue */
.er-clue {
  background: var(--game-accent-soft);
  border: 1.5px solid var(--game-accent);
  border-radius: var(--game-radius-lg);
  padding: 1.2rem 1.4rem;
  margin-bottom: 1.5rem;
  font-family: var(--game-mono);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--game-text);
  text-align: center;
  position: relative;
  animation: erClueReveal 1s ease-out;
}
.er-clue::before {
  content: '🔍 INDIZIO';
  display: block;
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .15em;
  color: var(--game-accent);
  margin-bottom: .5rem;
  font-family: var(--game-mono);
}
@keyframes erClueReveal {
  from { opacity: 0; transform: scale(.9); filter: blur(10px); }
  to { opacity: 1; transform: scale(1); filter: blur(0); }
}

/* ─── INPUT + BOTTONI ─── */
.er-input-row {
  display: flex;
  gap: .6rem;
  margin-bottom: 1rem;
}
.er-input {
  flex: 1;
  padding: 1rem 1.2rem;
  background: var(--game-bg-soft);
  border: 2px solid var(--game-border);
  border-radius: var(--game-radius);
  color: var(--game-text);
  font-size: 1rem;
  font-family: var(--game-mono);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: all .2s;
}
.er-input:focus {
  outline: none;
  border-color: var(--game-accent);
  background: var(--game-card);
  box-shadow: 0 0 0 4px var(--game-accent-soft);
}
.er-input::placeholder {
  color: var(--game-text-mute);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  font-family: inherit;
}
.er-input.is-shake {
  animation: erShake .4s;
  border-color: var(--game-error);
}
@keyframes erShake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

.er-btn {
  padding: 1rem 1.6rem;
  border-radius: var(--game-radius);
  font-family: inherit;
  font-size: .95rem;
  font-weight: 800;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .2s;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.er-btn-primary {
  background: var(--game-accent);
  color: var(--game-text-invert);
  border-color: var(--game-accent);
  box-shadow: 0 4px 16px var(--game-accent-soft);
}
.er-btn-primary:hover {
  background: var(--game-accent-dark);
  border-color: var(--game-accent-dark);
  transform: translateY(-2px);
}
.er-btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.er-btn-ghost {
  background: transparent;
  color: var(--game-accent);
  border: 1.5px solid var(--game-accent);
  padding: .6rem 1rem;
  font-size: .8rem;
}
.er-btn-ghost:hover {
  background: var(--game-accent-soft);
}

.er-hint-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
}

/* ─── FEEDBACK ─── */
.er-feedback {
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  border-radius: var(--game-radius);
  font-weight: 700;
  font-size: .95rem;
  display: none;
  animation: erFadeIn .3s;
  font-family: var(--game-mono);
  border-left: 4px solid;
}
@keyframes erFadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}
.er-feedback.is-ok {
  background: var(--game-success-soft);
  color: var(--game-success);
  border-color: var(--game-success);
  display: block;
}
.er-feedback.is-err {
  background: var(--game-error-soft);
  color: var(--game-error);
  border-color: var(--game-error);
  display: block;
}
.er-feedback.is-hint {
  background: var(--game-warning-soft);
  color: var(--game-warning);
  border-color: var(--game-warning);
  display: block;
}

/* ─── VITTORIA ─── */
.er-victory {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--game-success-soft);
  border: 2px solid var(--game-success);
  border-radius: var(--game-radius-lg);
  animation: erVictoryIn 1s ease-out;
  position: relative;
  overflow: hidden;
}
@keyframes erVictoryIn {
  from { opacity: 0; transform: scale(.8); }
  to { opacity: 1; transform: scale(1); }
}
.er-victory-icon {
  font-size: 5rem;
  margin-bottom: 1rem;
  animation: erBounce 1s infinite alternate;
}
@keyframes erBounce {
  from { transform: translateY(0); }
  to { transform: translateY(-15px); }
}
.er-victory h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--game-success);
  margin-bottom: .8rem;
}
.er-victory p {
  font-size: 1.05rem;
  color: var(--game-text);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.er-victory strong {
  color: var(--game-accent);
  font-family: var(--game-mono);
}

.er-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: .8rem;
  margin: 1.5rem 0;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.er-stat {
  padding: 1rem;
  background: var(--game-card);
  border: 1.5px solid var(--game-border);
  border-radius: var(--game-radius);
  text-align: center;
}
.er-stat-label {
  font-size: .65rem;
  color: var(--game-text-mute);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .3rem;
  font-weight: 700;
  font-family: var(--game-mono);
}
.er-stat-value {
  font-family: var(--game-mono);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--game-accent);
}

.er-final-score {
  display: inline-block;
  padding: 1rem 1.5rem;
  background: var(--game-accent-soft);
  border: 2px solid var(--game-accent);
  border-radius: var(--game-radius-lg);
  font-family: var(--game-mono);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--game-accent);
  margin: 1rem 0;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 640px) {
  .er-wrap { padding: 1rem .8rem 3rem; }
  .er-header h1 { font-size: 1.5rem; }
  .er-room { padding: 1.5rem 1.1rem; }
  .er-room-icon { font-size: 3rem; }
  .er-input-row { flex-direction: column; }
  .er-timer { font-size: 1rem; }
  .er-victory h2 { font-size: 1.4rem; }
  .er-victory-icon { font-size: 3.5rem; }
  .er-levels { grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); }
  .er-level-btn { padding: .7rem .5rem; }
  .er-level-btn .lvl-num { font-size: 1.1rem; }
  .er-level-btn .lvl-name { font-size: .65rem; }
}