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

body {
  font-family: 'VT323', monospace;
  background: #07070f;
  color: #e2e8f0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* ---------- CRT Effects ---------- */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
}

.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.7) 100%);
}

/* ---------- Floating pixels ---------- */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.pixel {
  position: absolute;
  bottom: -20px;
  left: var(--x);
  width: var(--s);
  height: var(--s);
  background: #818cf8;
  opacity: 0.15;
  animation: pixel-float var(--d) linear var(--dl) infinite;
}

@keyframes pixel-float {
  0% { transform: translateY(0) rotate(0deg); opacity: 0.15; }
  50% { opacity: 0.4; }
  100% { transform: translateY(-110vh) rotate(360deg); opacity: 0; }
}

/* ---------- Layout ---------- */
#app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  padding: 16px;
}

.screen { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.screen.hidden { display: none; }

/* ---------- Logo ---------- */
.logo { text-align: center; margin-bottom: 8px; }

.logo-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 36px;
  line-height: 1.2;
  color: #f1f5f9;
  text-shadow:
    0 0 10px #7c3aed,
    0 0 20px #7c3aed,
    0 0 40px #7c3aed,
    0 0 80px #7c3aed44;
  letter-spacing: 4px;
  animation: title-flicker 3s ease-in-out infinite;
}

@keyframes title-flicker {
  0%, 100% { opacity: 1; }
  3% { opacity: 0.6; }
  6% { opacity: 1; }
  7% { opacity: 0.8; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  95% { opacity: 0.7; }
  97% { opacity: 1; }
}

.logo-sub {
  font-family: 'VT323', monospace;
  font-size: 18px;
  color: #818cf8;
  margin-top: 12px;
  text-transform: uppercase;
  letter-spacing: 3px;
  text-shadow: 0 0 8px #818cf888;
}

/* ---------- Card ---------- */
.card {
  background: rgba(15, 15, 35, 0.85);
  border: 1px solid rgba(129, 140, 248, 0.2);
  border-radius: 4px;
  padding: 24px 22px;
  box-shadow:
    0 0 10px rgba(129, 140, 248, 0.05),
    inset 0 0 30px rgba(129, 140, 248, 0.02);
  width: 100%;
}

.section-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 12px;
  color: #a78bfa;
  letter-spacing: 1px;
  margin-bottom: 10px;
  line-height: 1.5;
  text-shadow: 0 0 6px #a78bfa66;
}

.section-hint {
  font-family: 'VT323', monospace;
  font-size: 16px;
  color: #64748b;
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---------- Fields ---------- */
.field {
  margin-bottom: 14px;
}

.label-pixel {
  display: block;
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  color: #818cf8;
  letter-spacing: 1px;
  margin-bottom: 8px;
  text-shadow: 0 0 4px #818cf866;
}

.input-pixel {
  width: 100%;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(129, 140, 248, 0.3);
  border-radius: 2px;
  font-family: 'Press Start 2P', monospace;
  font-size: 12px;
  color: #e2e8f0;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  letter-spacing: 2px;
}

.input-pixel:focus {
  border-color: #818cf8;
  box-shadow: 0 0 8px rgba(129, 140, 248, 0.25), inset 0 0 8px rgba(129, 140, 248, 0.05);
}

.input-pixel::placeholder {
  color: #334155;
  letter-spacing: 2px;
}

.input-lg {
  font-size: 22px;
  text-align: center;
  padding: 12px;
  letter-spacing: 6px;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] { -moz-appearance: textfield; }

/* ---------- Room input ---------- */
.room-row {
  display: flex;
  gap: 8px;
}
.room-row input {
  flex: 1;
  text-align: center;
  font-size: 20px;
  letter-spacing: 8px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 24px;
  border: none;
  border-radius: 2px;
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.15s;
  width: 100%;
  color: #f1f5f9;
}

.btn:active { transform: scale(0.96); }
.btn:disabled { opacity: 0.25; cursor: not-allowed; transform: none; }

.btn-small {
  width: auto;
  padding: 8px 14px;
  font-size: 16px;
  font-family: 'VT323', monospace;
  background: rgba(129, 140, 248, 0.1);
  border: 1px solid rgba(129, 140, 248, 0.3);
  color: #818cf8;
}
.btn-small:hover { background: rgba(129, 140, 248, 0.2); }

.btn-primary {
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 0 24px rgba(124, 58, 237, 0.6);
  transform: translateY(-1px);
}

.btn-secret {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.3);
}
.btn-secret:hover:not(:disabled) {
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.5);
  transform: translateY(-1px);
}

.btn-guess {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}
.btn-guess:hover:not(:disabled) {
  box-shadow: 0 0 24px rgba(16, 185, 129, 0.5);
  transform: translateY(-1px);
}

/* ---------- Input groups ---------- */
.secret-input-group,
.guess-input-group {
  display: flex;
  gap: 8px;
}
.secret-input-group input,
.guess-input-group input {
  flex: 1;
}
.secret-input-group .btn,
.guess-input-group .btn {
  width: auto;
  white-space: nowrap;
}

/* ---------- Status ---------- */
.status-msg {
  margin-top: 10px;
  font-size: 14px;
  color: #818cf8;
  text-align: center;
  letter-spacing: 1px;
  text-shadow: 0 0 6px #818cf866;
  min-height: 20px;
}

/* ---------- Waiting box ---------- */
.waiting-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(15, 15, 35, 0.7);
  border: 1px dashed rgba(129, 140, 248, 0.2);
  border-radius: 2px;
  font-size: 16px;
  color: #818cf8;
  letter-spacing: 2px;
  width: 100%;
}

.blink-dot {
  animation: blink 1s step-end infinite;
  color: #a78bfa;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* ---------- Status bar ---------- */
.status-bar {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(129, 140, 248, 0.1);
  border-radius: 2px;
  font-size: 12px;
  color: #475569;
  letter-spacing: 1px;
}

.room-tag {
  color: #818cf8;
  text-shadow: 0 0 4px #818cf844;
}

.status-led {
  color: #10b981;
  text-shadow: 0 0 6px #10b98144;
}

/* ---------- Announcement banner ---------- */
.announcement-banner {
  width: 100%;
  padding: 12px 16px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(124, 58, 237, 0.05));
  border: 1px solid #7c3aed;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
  color: #a78bfa;
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  text-align: center;
  letter-spacing: 1px;
  text-shadow: 0 0 8px #a78bfa88;
  border-radius: 2px;
  animation: banner-flash 0.3s ease-out;
}
.announcement-banner.hidden { display: none; }

@keyframes banner-flash {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* ---------- Game Header ---------- */
.game-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
}

.player-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 20px;
  background: rgba(15, 15, 35, 0.8);
  border: 1px solid rgba(129, 140, 248, 0.25);
  border-radius: 2px;
  min-width: 120px;
}

.opponent {
  border-color: rgba(6, 182, 212, 0.3);
}
.opponent .panel-label { color: #22d3ee; }

.panel-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  color: #818cf8;
  letter-spacing: 2px;
}

.panel-name {
  font-family: 'VT323', monospace;
  font-size: 22px;
  color: #e2e8f0;
  letter-spacing: 2px;
}

.vs-display {
  font-family: 'Press Start 2P', monospace;
  font-size: 14px;
  color: #f59e0b;
  text-shadow: 0 0 10px #f59e0b66;
}

/* ---------- Phase content ---------- */
.phase-content.hidden { display: none; }

/* ---------- Secret display ---------- */
.secret-display {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid #f59e0b33;
  border-radius: 2px;
  padding: 8px 18px;
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  color: #fbbf24;
  letter-spacing: 1px;
  text-shadow: 0 0 6px #fbbf2444;
}

/* ---------- History ---------- */
.history-panel { width: 100%; }

.history-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  color: #818cf8;
  margin-bottom: 10px;
  letter-spacing: 1px;
  text-shadow: 0 0 6px #818cf866;
}

#history-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: rgba(15, 15, 35, 0.6);
  border: 1px solid rgba(129, 140, 248, 0.1);
  border-radius: 2px;
  font-family: 'VT323', monospace;
  font-size: 16px;
  animation: slide-in 0.2s ease-out;
}
@keyframes slide-in {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.history-item .guesser {
  color: #94a3b8;
  font-size: 14px;
}

.history-item .guess-num {
  font-family: 'Press Start 2P', monospace;
  font-size: 14px;
  color: #e2e8f0;
  letter-spacing: 2px;
}

.history-item .result-badge {
  padding: 2px 10px;
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  letter-spacing: 1px;
  border-radius: 2px;
}

.result-higher { background: rgba(6, 182, 212, 0.15); color: #22d3ee; text-shadow: 0 0 6px #22d3ee44; border: 1px solid #22d3ee22; }
.result-lower { background: rgba(251, 191, 36, 0.15); color: #fbbf24; text-shadow: 0 0 6px #fbbf2444; border: 1px solid #fbbf2422; }
.result-correct { background: rgba(16, 185, 129, 0.15); color: #34d399; text-shadow: 0 0 6px #34d39944; border: 1px solid #34d39922; }
.result-pending { background: rgba(129, 140, 248, 0.1); color: #818cf8; text-shadow: 0 0 6px #818cf844; border: 1px solid #818cf822; animation: blink 1s step-end infinite; }

.empty-msg {
  color: #475569;
  font-size: 14px;
  text-align: center;
  padding: 16px;
  letter-spacing: 2px;
}

/* ---------- Overlay ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fade-in 0.3s ease-out;
}
.overlay.hidden { display: none; }
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.result-card {
  background: rgba(15, 15, 35, 0.95);
  border: 1px solid rgba(129, 140, 248, 0.2);
  border-radius: 4px;
  padding: 40px 36px;
  text-align: center;
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.15);
  max-width: 400px;
  width: 90%;
  position: relative;
  overflow: hidden;
  animation: pop-in 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes pop-in {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.result-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 28px;
  line-height: 1.3;
  margin-bottom: 8px;
  letter-spacing: 2px;
}

#win-card .result-title {
  color: #34d399;
  text-shadow: 0 0 10px #34d399, 0 0 20px #34d39966;
}

.result-sub {
  font-family: 'VT323', monospace;
  font-size: 20px;
  color: #64748b;
  letter-spacing: 3px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.secret-reveal {
  font-family: 'Press Start 2P', monospace;
  font-size: 16px;
  color: #a78bfa;
  margin: 16px 0;
  line-height: 1.5;
  text-shadow: 0 0 8px #a78bfa66;
}

.result-card .btn { margin-top: 16px; }

/* ---------- Confetti ---------- */
.confetti-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.confetti-piece {
  position: absolute;
  width: 6px;
  height: 6px;
  animation: confetti-fall 2.5s ease-out forwards;
}
@keyframes confetti-fall {
  0% { transform: translateY(-20px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(400px) rotate(720deg); opacity: 0; }
}

/* ---------- My turn pulse ---------- */
.my-turn {
  animation: turn-pulse 1.2s ease-in-out infinite;
}
@keyframes turn-pulse {
  0%, 100% { border-color: rgba(16, 185, 129, 0.3); }
  50% { border-color: rgba(16, 185, 129, 0.7); box-shadow: 0 0 15px rgba(16, 185, 129, 0.15); }
}

/* ---------- Responsive ---------- */
@media (max-width: 520px) {
  #app { padding: 10px; }
  .card { padding: 18px 14px; }
  .logo-title { font-size: 24px; }
  .secret-input-group, .guess-input-group { flex-direction: column; }
  .secret-input-group .btn, .guess-input-group .btn { width: 100%; }
  .game-header { flex-wrap: wrap; }
  .player-panel { min-width: 90px; padding: 8px 14px; }
  .panel-name { font-size: 17px; }
}