:root {
  --lime-bg: #d9f86c;
  --lime-glow: #b8e936;
  --indigo-dark: #2c2f48;
  --indigo-mid: #3a3f66;
  --charcoal: #272729;
  --pink-accent: #ff5e97;
  --gold-accent: #ffc83b;
  --teal-accent: #00e5a3;
  --danger: #ff4757;
  --card-bg: rgba(30, 32, 48, 0.88);
  --border-light: rgba(255, 255, 255, 0.16);
  --font-display: 'Trebuchet MS', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-body);
  background: #1c1f33;
  color: #ffffff;
}

#canvas-container {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
}

.hidden {
  display: none !important;
}

/* start.ng Player Profile Card */
.startng-card {
  position: fixed;
  top: 14px;
  left: 16px;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  background: rgba(25, 27, 42, 0.92);
  border: 2px solid var(--lime-bg);
  color: #fffefa;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
}

.startng-card img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--lime-bg);
  object-fit: contain;
  border: 2px solid #fff;
}

.player-meta b {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--lime-bg);
}

.player-meta span {
  display: block;
  font-size: 0.72rem;
  color: #cfd5f2;
}

.signin-pill {
  margin-left: 6px;
  border: 0;
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--lime-bg);
  color: #16192b;
  font-weight: 700;
  font-size: 0.78rem;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.signin-pill:hover {
  transform: scale(1.05);
}

/* HUD */
#hud {
  position: fixed;
  top: 0;
  left: 245px;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  gap: 14px;
  pointer-events: none;
}

#hud > * {
  pointer-events: auto;
}

.hud-left, .hud-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  padding: 7px 12px;
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.stat-icon {
  font-size: 1.3rem;
}

.stat-label {
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  color: #a8b0d3;
  font-weight: 700;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.stat-value small {
  background: var(--pink-accent);
  color: #fff;
  padding: 2px 6px;
  border-radius: 8px;
  font-size: 0.72rem;
  margin-left: 4px;
}

/* Stamina Center Bar */
.hud-center {
  flex: 1;
  max-width: 300px;
}

.stamina-bar-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  padding: 8px 14px;
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.stamina-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  font-weight: 700;
  margin-bottom: 5px;
  color: var(--lime-bg);
}

.stamina-track {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 99px;
  overflow: hidden;
}

#stamina-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #00e5a3, #d9f86c, #ffc83b);
  border-radius: 99px;
  transition: width 0.2s ease;
}

/* Inventory Box */
.inventory-box {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  padding: 6px 12px;
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.inv-title {
  font-size: 0.62rem;
  font-weight: 700;
  color: #c4cae8;
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.inv-slots {
  display: flex;
  gap: 5px;
}

.inv-slot {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px dashed rgba(255, 255, 255, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  filter: grayscale(1) opacity(0.38);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.inv-slot.unlocked {
  filter: grayscale(0) opacity(1);
  background: rgba(217, 248, 108, 0.2);
  border: 1.5px solid var(--lime-bg);
  transform: scale(1.08);
  box-shadow: 0 0 12px rgba(217, 248, 108, 0.45);
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border-light);
  background: var(--card-bg);
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
}

/* Floating Toast */
.toast {
  position: fixed;
  top: 86px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(28, 31, 51, 0.94);
  border: 2px solid var(--lime-bg);
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
  animation: popIn 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}

#toast-icon {
  font-size: 1.6rem;
}

.toast-text strong {
  display: block;
  font-family: var(--font-display);
  color: var(--lime-bg);
  font-size: 0.95rem;
}

.toast-text span {
  font-size: 0.78rem;
  color: #fff;
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: translate(-50%, -15px) scale(0.85);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

/* Overlay Screens */
.overlay-screen {
  position: fixed;
  inset: 0;
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 72px 20px 20px;
  background: radial-gradient(circle at center, rgba(44, 47, 72, 0.65) 0%, rgba(18, 20, 32, 0.9) 100%);
  backdrop-filter: blur(8px);
  overflow-y: auto;
}

.modal-card {
  width: 100%;
  max-width: 840px;
  background: linear-gradient(145deg, rgba(35, 38, 60, 0.96), rgba(23, 25, 40, 0.98));
  border: 2px solid rgba(217, 248, 108, 0.45);
  border-radius: 28px;
  padding: 24px 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
  text-align: center;
}

.badge-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 10px;
}

.startng-badge {
  background: var(--lime-bg);
  color: #1c1f33;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 13px;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.threejs-badge {
  background: rgba(255, 94, 151, 0.2);
  border: 1px solid var(--pink-accent);
  color: #ff9ec0;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 13px;
  border-radius: 99px;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  color: var(--lime-bg);
  margin-bottom: 6px;
  text-shadow: 0 4px 18px rgba(217, 248, 108, 0.25);
}

.subtitle {
  color: #d0d5f0;
  font-size: 0.92rem;
  max-width: 620px;
  margin: 0 auto 18px;
  line-height: 1.42;
}

.persona-grid {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 20px;
  text-align: left;
  align-items: stretch;
}

.persona-card {
  background: rgba(217, 248, 108, 0.1);
  border: 2px solid var(--lime-bg);
  border-radius: 22px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.persona-img-wrap {
  position: relative;
  width: 100%;
  height: 200px;
  background: var(--lime-bg);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 10px;
}

.persona-img-wrap img {
  max-height: 94%;
  max-width: 94%;
  object-fit: contain;
}

.persona-tag {
  position: absolute;
  bottom: 8px;
  background: #fff;
  color: #1c1f33;
  font-family: var(--font-display);
  font-weight: 700;
  padding: 2px 14px;
  border-radius: 99px;
  border: 2px solid #1c1f33;
  font-size: 0.85rem;
}

.persona-stats {
  width: 100%;
  font-size: 0.76rem;
  color: #e4e8ff;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.persona-stats strong {
  color: var(--lime-bg);
}

.rules-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: 22px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.rules-card h3 {
  font-family: var(--font-display);
  color: #fff;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.howto-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.howto-list li {
  display: flex;
  gap: 10px;
  font-size: 0.84rem;
  line-height: 1.4;
  color: #d6dbf5;
}

.li-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.controls-hint {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: rgba(0, 0, 0, 0.28);
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 0.76rem;
  color: var(--lime-bg);
  margin-bottom: 14px;
  justify-content: space-around;
}

.start-actions {
  display: flex;
  gap: 10px;
}

.primary-btn {
  flex: 1;
  padding: 13px 20px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(90deg, var(--lime-bg), #9ef01a);
  color: #16192b;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(217, 248, 108, 0.35);
}

.secondary-btn {
  padding: 13px 16px;
  border: 1px solid var(--lime-bg);
  border-radius: 14px;
  background: rgba(217, 248, 108, 0.12);
  color: var(--lime-bg);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

/* Game Over & Leaderboard Card */
.gameover-card {
  max-width: 600px;
}

.gameover-card h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--lime-bg);
  margin: 8px 0 4px;
}

#go-subtitle {
  color: #c5cbe8;
  margin-bottom: 14px;
  font-size: 0.88rem;
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.sum-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  padding: 10px;
  border-radius: 14px;
}

.sum-label {
  display: block;
  font-size: 0.7rem;
  color: #aab2d6;
  margin-bottom: 3px;
}

.sum-val {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: #fff;
}

.sum-val.highlight {
  color: var(--lime-bg);
}

.leaderboard-panel {
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 12px 16px;
  margin-bottom: 16px;
  text-align: left;
}

.lb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.lb-header h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--lime-bg);
}

.lb-list {
  list-style: none;
  max-height: 165px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lb-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
}

.lb-row.me {
  background: rgba(217, 248, 108, 0.2);
  border: 1px solid var(--lime-bg);
}

.lb-rank-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.lb-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.lb-stats {
  color: #d6dbf5;
  font-size: 0.78rem;
}

.lb-empty {
  color: #9aa2c8;
  font-size: 0.82rem;
  text-align: center;
  padding: 10px;
}

/* Mobile Controls */
#mobile-controls {
  position: fixed;
  bottom: 20px;
  left: 0;
  right: 0;
  z-index: 12;
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 0 20px;
  pointer-events: none;
}

.ctrl-btn {
  pointer-events: auto;
  min-width: 70px;
  height: 56px;
  border-radius: 16px;
  border: 2px solid var(--lime-bg);
  background: rgba(24, 27, 44, 0.82);
  color: var(--lime-bg);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
}

.ctrl-btn.jump-btn {
  min-width: 115px;
  background: rgba(217, 248, 108, 0.22);
  color: #fff;
}

@media (max-width: 820px) {
  .persona-grid {
    grid-template-columns: 1fr;
  }
  .summary-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  #hud {
    left: 0;
    top: 62px;
    flex-wrap: wrap;
    padding: 8px 12px;
  }
  .hud-center {
    order: 3;
    max-width: 100%;
    flex-basis: 100%;
  }
}