/* ============================================
   Glyph Decoder — Game Styles
   ============================================ */

/* --- Game Page Layout --- */
.game-page {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 0 16px 32px;
}

.game-container {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* --- Screen system --- */
.screen {
  display: none;
  flex-direction: column;
  align-items: center;
  flex: 1;
  width: 100%;
}

.screen--active {
  display: flex;
}

/* --- HUD --- */
.hud {
  width: 100%;
  max-width: 520px;
  display: flex;
  justify-content: space-between;
  padding: 8px 16px;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
}

.hud__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hud__label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hud__value {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

/* --- Title Screen --- */
.overlay__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 40%, rgba(56, 189, 248, 0.08), transparent 70%);
  pointer-events: none;
}

.overlay__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  flex: 1;
}

.overlay__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, #38bdf8, #a855f7, #06d6a0);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
  margin-bottom: 16px;
}

.overlay__title--fail {
  background: linear-gradient(135deg, #ef4444, #fb923c);
  background-size: 100% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: none;
}

.overlay__subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 360px;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* --- Title Art: Rotating Glyph Ring --- */
.title-glyph-art {
  position: relative;
  width: 140px;
  height: 140px;
  margin-bottom: 32px;
}

.glyph-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(56, 189, 248, 0.3);
}

.glyph-ring--outer {
  inset: 0;
  animation: glyphRingSpin 12s linear infinite;
  border-color: rgba(168, 85, 247, 0.4);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.15);
}

.glyph-ring--inner {
  inset: 20px;
  animation: glyphRingSpin 8s linear infinite reverse;
  border-color: rgba(6, 214, 160, 0.4);
  box-shadow: 0 0 16px rgba(6, 214, 160, 0.15);
}

@keyframes glyphRingSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.glyph-symbol {
  position: absolute;
  font-size: 1.6rem;
  animation: glyphFloat 4s ease-in-out infinite;
}

.glyph-symbol--1 {
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  color: #38bdf8;
  text-shadow: 0 0 12px rgba(56, 189, 248, 0.8);
  animation-delay: 0s;
}

.glyph-symbol--2 {
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  color: #a855f7;
  text-shadow: 0 0 12px rgba(168, 85, 247, 0.8);
  animation-delay: -1s;
}

.glyph-symbol--3 {
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  color: #06d6a0;
  text-shadow: 0 0 12px rgba(6, 214, 160, 0.8);
  animation-delay: -2s;
}

.glyph-symbol--4 {
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  color: #f472b6;
  text-shadow: 0 0 12px rgba(244, 114, 182, 0.8);
  animation-delay: -3s;
}

@keyframes glyphFloat {
  0%, 100% { opacity: 0.6; filter: brightness(0.8); }
  50% { opacity: 1; filter: brightness(1.3); }
}

/* --- Buttons --- */
.btn {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-btn);
  transition: all var(--transition-fast);
}

.btn--primary {
  padding: 16px 40px;
  font-size: 0.95rem;
  background: linear-gradient(135deg, var(--color-accent-purple), var(--color-accent-cyan));
  color: #fff;
  box-shadow: 0 4px 24px rgba(168, 85, 247, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(168, 85, 247, 0.5);
}

.btn--small {
  padding: 10px 24px;
  font-size: 0.75rem;
}

.btn--clear {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn--clear:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.btn--submit {
  background: linear-gradient(135deg, #06d6a0, #38bdf8);
  color: #fff;
  box-shadow: 0 2px 16px rgba(6, 214, 160, 0.3);
}

.btn--submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(6, 214, 160, 0.5);
}

.btn--submit:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.title-hints {
  display: flex;
  gap: 24px;
  margin-top: 24px;
}

.control-hint {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
}

/* --- Timer Bar --- */
.timer-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 16px;
}

.timer-bar__fill {
  height: 100%;
  width: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #06d6a0, #38bdf8, #a855f7);
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(6, 214, 160, 0.4);
}

.timer-bar__fill--warning {
  background: linear-gradient(90deg, #fb923c, #ef4444);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.4);
}

.timer-bar__fill--critical {
  background: linear-gradient(90deg, #ef4444, #dc2626);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.6);
  animation: timerPulse 0.5s ease-in-out infinite;
}

@keyframes timerPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* --- Transmission Message --- */
.transmission {
  width: 100%;
  text-align: center;
  padding: 8px 16px;
  margin-bottom: 16px;
  background: rgba(56, 189, 248, 0.04);
  border: 1px solid rgba(56, 189, 248, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}

.transmission__label {
  font-family: var(--font-display);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-accent-blue);
  opacity: 0.7;
  animation: transmitFlicker 3s ease-in-out infinite;
}

.transmission__text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

@keyframes transmitFlicker {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* --- Pattern Area --- */
.pattern-area {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}

.pattern-label,
.answer-label,
.palette-label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.pattern-glyphs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Individual glyph cell (in pattern and answer) */
.glyph-cell {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 1.6rem;
  position: relative;
  transition: all var(--transition-fast);
}

.glyph-cell--pattern {
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.25);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.1);
  color: #fff;
  text-shadow: 0 0 8px rgba(168, 85, 247, 0.6);
}

.glyph-cell--pattern.glyph-cell--hidden {
  color: transparent;
  text-shadow: none;
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.08);
}

.glyph-cell--pattern.glyph-cell--hidden::after {
  content: '?';
  position: absolute;
  color: rgba(255, 255, 255, 0.15);
  font-size: 1.2rem;
}

/* --- Answer Area --- */
.answer-area {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}

.answer-slots {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.glyph-cell--answer {
  background: rgba(56, 189, 248, 0.04);
  border: 2px dashed rgba(56, 189, 248, 0.2);
  cursor: pointer;
  min-width: 56px;
}

.glyph-cell--answer.glyph-cell--filled {
  border-style: solid;
  border-color: rgba(6, 214, 160, 0.4);
  background: rgba(6, 214, 160, 0.08);
  color: #fff;
  text-shadow: 0 0 8px rgba(6, 214, 160, 0.6);
}

.glyph-cell--answer.glyph-cell--filled:hover {
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.08);
}

/* Correct/wrong flash on answer cells */
.glyph-cell--correct {
  border-color: #06d6a0 !important;
  background: rgba(6, 214, 160, 0.2) !important;
  box-shadow: 0 0 16px rgba(6, 214, 160, 0.4);
  animation: cellCorrect 0.4s ease;
}

.glyph-cell--wrong {
  border-color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.2) !important;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.4);
  animation: cellShake 0.4s ease;
}

@keyframes cellCorrect {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

@keyframes cellShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* --- Palette Area --- */
.palette-area {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
}

.palette-glyphs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.glyph-cell--palette {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  color: var(--color-text-muted);
  text-shadow: none;
}

.glyph-cell--palette:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.4);
  color: #fff;
  text-shadow: 0 0 8px rgba(56, 189, 248, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.15);
}

.glyph-cell--palette:active {
  transform: translateY(0);
}

/* --- Game Actions --- */
.game-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding: 8px 0;
}

/* --- Result Flash Overlay --- */
.result-flash {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10, 14, 26, 0.85);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.result-flash--visible {
  opacity: 1;
  pointer-events: auto;
}

.result-flash__icon {
  font-size: 4rem;
  margin-bottom: 16px;
  animation: resultPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.result-flash__text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.result-flash--correct .result-flash__text {
  color: #06d6a0;
  text-shadow: 0 0 20px rgba(6, 214, 160, 0.5);
}

.result-flash--wrong .result-flash__text {
  color: #ef4444;
  text-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
}

@keyframes resultPop {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}

/* --- Game Over Stats --- */
.gameover-stats {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 300px;
  margin-bottom: 32px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}

.stat-row span:first-child {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.stat-row span:last-child {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

/* --- Responsive --- */
@media (max-width: 400px) {
  .glyph-cell {
    width: 46px;
    height: 46px;
    font-size: 1.3rem;
  }

  .pattern-glyphs,
  .answer-slots,
  .palette-glyphs {
    gap: 6px;
  }
}