/* ==========================================================================
   PILLOLE IN PAROLE — Stili dedicati per la sfida scientifica continua
   Festa della Scienza — IIS Balbo
   ========================================================================== */

:root {
  --pip-correct: #10b981;        /* Smeraldo Balbo per lettera corretta */
  --pip-present: #f59e0b;        /* Ambra per lettera presente in altra posizione */
  --pip-absent: #475569;         /* Grigio scuro per lettera assente */
  --pip-tile-border: #cbd5e1;    /* Bordo tessera vuota (tema chiaro) */
  --pip-tile-border-active: #047857; /* Bordo tessera con lettera inserita */
  --pip-key-bg: #022c1e;         /* Sfondo tasti tastiera ancora da utilizzare (verde molto scuro) */
  --pip-key-text: #ffffff;

  /* Calcolo dinamico e proporzionale per adattamento su qualsiasi schermo */
  --pip-tile-size: clamp(34px, min(6.6vh, calc((100vw - 48px) / 5.5), 56px), 60px);
  --pip-key-height: clamp(36px, min(5.4vh, 48px), 52px);
}

.dark-theme,
[data-theme="dark"] {
  --pip-correct: #059669;
  --pip-present: #d97706;
  --pip-absent: #334155;
  --pip-tile-border: #1e3a2f;
  --pip-tile-border-active: #10b981;
  --pip-key-bg: #022c1e;
  --pip-key-text: #ffffff;
}

/* Modalità Contrasto Elevato per accessibilità */
.pip-high-contrast {
  --pip-correct: #ea580c !important; /* Arancione ad alta visibilità */
  --pip-present: #0284c7 !important; /* Azzurro cielo */
}

/* Container principale del gioco */
.pip-main-container {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: clamp(6px, 1.4vh, 12px);
  padding: 0.25rem 0.5rem 1.5rem;
  user-select: none;
  -webkit-user-select: none;
  box-sizing: border-box;
}

/* Intestazione compatta */
.pip-title-section {
  text-align: center;
  margin: 0;
}

.pip-title {
  font-size: clamp(1.25rem, 3.8vw, 1.65rem);
  font-weight: 800;
  color: var(--text);
  margin: 0;
  line-height: 1.2;
}

.pip-subtitle {
  font-size: clamp(0.75rem, 2.2vw, 0.88rem);
  color: var(--muted);
  margin: 0.15rem 0 0;
  line-height: 1.3;
}

/* Header di controllo del gioco */
.pip-header-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.75rem;
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  box-sizing: border-box;
}

.pip-header-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.pip-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(16, 185, 129, 0.3);
  white-space: nowrap;
}

.pip-badge-streak {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
  border-color: rgba(245, 158, 11, 0.3);
}

.pip-header-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pip-icon-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  font-size: 1.15rem;
  padding: 0.35rem 0.45rem;
  border-radius: 8px;
  cursor: pointer;
  line-height: 1;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pip-icon-btn:hover,
.pip-icon-btn:focus-visible {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  outline: none;
}

.pip-icon-btn svg {
  width: 20px;
  height: 20px;
  display: block;
}

.pip-key svg {
  width: 20px;
  height: 20px;
  display: block;
}

/* Tabellone di gioco (6x5) */
.pip-board-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 0;
  padding: 0;
}

.pip-board {
  display: flex;
  flex-direction: column;
  gap: clamp(4px, 0.7vh, 6px);
  width: fit-content;
  margin: 0 auto;
}

.pip-row {
  display: flex;
  gap: clamp(4px, 0.7vh, 6px);
  justify-content: center;
  perspective: 1000px;
}

/* Tessere */
.pip-tile {
  width: var(--pip-tile-size);
  height: var(--pip-tile-size);
  min-width: var(--pip-tile-size);
  min-height: var(--pip-tile-size);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--pip-tile-border);
  border-radius: 8px;
  font-size: calc(var(--pip-tile-size) * 0.52);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text);
  background: var(--surface);
  line-height: 1;
  box-sizing: border-box;
  transition: border-color 0.15s ease;
  transform-style: preserve-3d;
  -webkit-backface-visibility: visible;
  backface-visibility: visible;
  will-change: transform;
}

.pip-tile[data-state="active"] {
  border-color: var(--pip-tile-border-active);
  animation: pipPop 0.12s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.pip-tile[data-state="correct"] {
  background-color: var(--pip-correct) !important;
  border-color: var(--pip-correct) !important;
  color: #ffffff !important;
}

.pip-tile[data-state="present"] {
  background-color: var(--pip-present) !important;
  border-color: var(--pip-present) !important;
  color: #ffffff !important;
}

.pip-tile[data-state="absent"] {
  background-color: var(--pip-absent) !important;
  border-color: var(--pip-absent) !important;
  color: #ffffff !important;
  opacity: 0.9;
}

/* Animazioni Tessere */
@keyframes pipPop {
  0% { transform: scale(0.85); }
  60% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

@keyframes pipFlip {
  0% { transform: rotateX(0deg); }
  49% { transform: rotateX(90deg); }
  51% { transform: rotateX(90deg); }
  100% { transform: rotateX(0deg); }
}

.pip-tile-flip {
  animation: pipFlip 0.5s ease;
}

@keyframes pipShake {
  0%, 100% { transform: translateX(0); }
  15%, 45%, 75% { transform: translateX(-6px); }
  30%, 60%, 90% { transform: translateX(6px); }
}

.pip-row-shake {
  animation: pipShake 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes pipBounce {
  0%, 20% { transform: translateY(0); }
  40% { transform: translateY(-16px); }
  50% { transform: translateY(0); }
  65% { transform: translateY(-7px); }
  80% { transform: translateY(0); }
  100% { transform: translateY(0); }
}

.pip-tile-bounce {
  animation: pipBounce 0.7s ease forwards;
}

/* Tastiera virtuale a 3 righe */
.pip-keyboard {
  width: 100%;
  max-width: min(480px, 100%);
  display: flex;
  flex-direction: column;
  gap: clamp(4px, 0.7vh, 6px);
  touch-action: manipulation;
  margin: 0 auto;
  box-sizing: border-box;
}

.pip-keyboard-row {
  display: flex;
  justify-content: center;
  gap: clamp(3px, 0.9vw, 5px);
  width: 100%;
}

.pip-key {
  height: var(--pip-key-height);
  flex: 1;
  max-width: 42px;
  background: var(--pip-key-bg);
  color: var(--pip-key-text);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  font-size: clamp(0.75rem, min(2.5vw, 1.8vh), 0.95rem);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.15s ease;
  user-select: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.22);
  padding: 0;
  box-sizing: border-box;
}

@media (hover: hover) {
  .pip-key:not([data-state]):hover {
    filter: brightness(1.28);
  }
}

.pip-key:active {
  transform: translateY(2px);
  filter: brightness(0.85);
}

.pip-key-wide {
  flex: 1.5;
  max-width: 62px;
  font-size: clamp(0.68rem, 2.2vw, 0.82rem);
  letter-spacing: 0.02em;
}

.pip-key[data-state="correct"] {
  background-color: var(--pip-correct) !important;
  color: #ffffff !important;
  border-color: transparent;
}

.pip-key[data-state="present"] {
  background-color: var(--pip-present) !important;
  color: #ffffff !important;
  border-color: transparent;
}

.pip-key[data-state="absent"] {
  background-color: var(--pip-absent) !important;
  color: #ffffff !important;
  opacity: 0.45;
  border-color: transparent;
}

/* Stili Pillola Scientifica nel Popup Modale */
.pip-pillola-outcome-badge {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  display: inline-block;
}

.pip-outcome-win {
  background: rgba(16, 185, 129, 0.18);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.45);
}

.pip-outcome-loss {
  background: rgba(245, 158, 11, 0.18);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.45);
}

.pip-pillola-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pip-pillola-word {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0.4rem 0 0.8rem;
  text-align: center;
}

.pip-pillola-cat {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.pip-pillola-desc {
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--text);
  margin: 0 0 1rem;
  text-align: left;
  background: rgba(16, 185, 129, 0.06);
  border-left: 3px solid var(--accent);
  padding: 0.85rem 1rem;
  border-radius: 0 8px 8px 0;
}

.pip-pillola-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.pip-btn-next {
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.6rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.pip-btn-next:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}


/* Toast flotante per messaggi di stato */
.pip-toast-container {
  position: fixed;
  top: 14%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2100;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  pointer-events: none;
}

.pip-toast {
  background: #0f172a;
  color: #ffffff;
  padding: 0.6rem 1.15rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  animation: pipPop 0.2s ease-out;
  text-align: center;
}

/* Modali (Regole, Statistiche, Impostazioni) */
.pip-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 2200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.pip-modal-backdrop[hidden] {
  display: none;
}

.pip-modal-dialog {
  background: var(--surface);
  color: var(--text);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 16px;
  max-width: 480px;
  width: 100%;
  padding: 1.4rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  animation: pipPop 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.pip-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(16, 185, 129, 0.15);
  padding-bottom: 0.65rem;
}

.pip-modal-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pip-modal-close {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: 6px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background 0.15s ease;
}

.pip-modal-close:hover {
  color: var(--text);
  background: rgba(16, 185, 129, 0.15);
}

.pip-modal-close svg {
  width: 18px;
  height: 18px;
  display: block;
}

.pip-modal-close:hover {
  color: var(--text);
  background: rgba(16, 185, 129, 0.1);
}

/* Statistiche Box */
.pip-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin: 1rem 0;
  text-align: center;
}

.pip-stat-item {
  background: rgba(16, 185, 129, 0.08);
  border-radius: 10px;
  padding: 0.65rem 0.25rem;
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.pip-stat-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1.1;
}

.pip-stat-lbl {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 600;
  margin-top: 0.2rem;
  display: block;
}

/* Distribuzione tentativi */
.pip-dist-chart {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0.85rem 0;
}

.pip-dist-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.pip-dist-bar-container {
  flex: 1;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 4px;
  overflow: hidden;
  height: 20px;
}

.pip-dist-bar {
  background: var(--pip-absent);
  color: #ffffff;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 0.45rem;
  font-size: 0.75rem;
  min-width: 22px;
  border-radius: 4px;
  transition: width 0.6s ease;
}

.pip-dist-bar.pip-dist-highlight {
  background: var(--pip-correct);
}

/* Esempi modale tutorial */
.pip-example-row {
  display: flex;
  gap: 6px;
  margin: 0.5rem 0;
}

.pip-example-tile {
  width: 36px;
  height: 36px;
  border: 2px solid var(--pip-tile-border);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
}

/* Setting Toggle */
.pip-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(16, 185, 129, 0.15);
}

.pip-setting-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.pip-setting-title {
  font-weight: 700;
  font-size: 0.92rem;
}

.pip-setting-desc {
  font-size: 0.76rem;
  color: var(--muted);
}

.pip-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.pip-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.pip-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #94a3b8;
  border-radius: 34px;
  transition: 0.25s;
}

.pip-toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: 0.25s;
}

.pip-toggle input:checked + .pip-toggle-slider {
  background-color: var(--accent);
}

.pip-toggle input:checked + .pip-toggle-slider:before {
  transform: translateX(20px);
}