:root {
  --bg: #12141c;
  --bg-deep: #0b0d13;
  --panel: #1b1f2b;
  --accent: #e8a33d;
  --accent-soft: rgba(232, 163, 61, 0.16);
  --accent-2: #6fa8dc;
  --text: #edeff5;
  --text-dim: #8b93a7;
  --danger: #e8637a;
  --radius: 16px;
  --border: rgba(255, 255, 255, 0.07);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}

.hidden { display: none !important; }

button, select { font-family: inherit; }
button:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

/* =================== Layar Login =================== */
#login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: radial-gradient(circle at 50% 42%, #1a2030 0%, var(--bg-deep) 72%);
}

/* Dekorasi cincin radar - motif "proximity" di belakang kartu login */
.radar-deco {
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  pointer-events: none;
}
.radar-deco span {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(232, 163, 61, 0.14);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: radar-pulse 3.6s ease-out infinite;
}
.radar-deco span:nth-child(2) { animation-delay: 1.2s; }
.radar-deco span:nth-child(3) { animation-delay: 2.4s; }

@keyframes radar-pulse {
  0% { width: 20px; height: 20px; opacity: 0.9; }
  100% { width: 620px; height: 620px; opacity: 0; }
}

.login-card {
  position: relative;
  background: var(--panel);
  border-radius: var(--radius);
  padding: 34px 28px;
  width: 100%;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border);
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 25px;
  letter-spacing: -0.01em;
  color: var(--accent);
}

.subtitle {
  color: var(--text-dim);
  margin: 0 0 24px;
  font-size: 13.5px;
  line-height: 1.5;
}

.field-label {
  display: block;
  text-align: left;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.input-wrapper {
  position: relative;
  width: 100%;
  margin-bottom: 12px;
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  pointer-events: none;
  opacity: 0.6;
}

#username-input {
  width: 100%;
  padding: 13px 14px 13px 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: all 0.2s ease;
}
#username-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.22);
}
#username-input::placeholder {
  color: var(--text-dim);
  font-size: 14px;
}

.chips-label {
  text-align: left;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.name-chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.name-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 11px;
  border-radius: 16px;
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.name-chip:hover {
  background: rgba(232, 163, 61, 0.15);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.name-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1002;
  font-weight: 600;
}

#join-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #241705;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.08s ease, opacity 0.15s ease;
}
#join-btn:disabled { opacity: 0.55; cursor: default; }
#join-btn:not(:disabled):active { transform: scale(0.98); }

.error-text {
  color: var(--danger) !important;
  min-height: 18px;
  font-size: 13px !important;
  margin: 12px 0 0 !important;
}
.hint {
  font-size: 12px !important;
  color: var(--text-dim);
  margin: 16px 0 0 !important;
}

/* =================== Aplikasi utama =================== */
#app {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  height: 100dvh;
}

#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  padding-top: max(10px, env(safe-area-inset-top));
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

#room-info { font-size: 13px; color: var(--text-dim); white-space: nowrap; }
#room-info span { color: var(--accent); font-weight: 700; }

#admin-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--accent);
}
.admin-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.admin-label {
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
}
#radius-slider {
  width: 100px;
  accent-color: var(--accent);
  cursor: pointer;
}

#desktop-hint {
  font-size: 12px;
  color: var(--text-dim);
  flex: 1;
  text-align: center;
}
@media (pointer: coarse) {
  #desktop-hint { display: none; }
}

#mute-btn {
  padding: 9px 16px;
  border-radius: 20px;
  border: none;
  background: #232838;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
#mute-btn.muted { background: var(--danger); color: #fff; }

#world-canvas {
  flex: 1;
  width: 100%;
  min-height: 0;
  touch-action: none;
  display: block;
}

/* =================== Daftar user online =================== */
#user-list {
  position: absolute;
  top: 66px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 5;
  align-items: flex-end;
}
.user-chip {
  background: rgba(27, 31, 43, 0.88);
  backdrop-filter: blur(6px);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  border: 1px solid var(--border);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.user-chip.self { border-color: var(--accent); color: var(--accent); }
.admin-mute-btn {
  background: rgba(232, 99, 122, 0.2);
  border: 1px solid var(--danger);
  color: #ff8599;
  border-radius: 12px;
  font-size: 10px;
  padding: 2px 8px;
  cursor: pointer;
}
.admin-mute-btn:hover {
  background: var(--danger);
  color: #fff;
}

/* =================== Joystick (mobile) =================== */
#joystick-zone {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 170px;
  height: 170px;
  padding-bottom: env(safe-area-inset-bottom);
  display: none;
  z-index: 8;
  touch-action: none;
}
#joystick-base {
  position: absolute;
  left: 22px;
  bottom: 22px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.14);
}
#joystick-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 40px;
  height: 40px;
  margin-left: -20px;
  margin-top: -20px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 4px 14px rgba(232, 163, 61, 0.35);
}

@media (pointer: coarse) {
  #joystick-zone { display: block; }
}

@media (min-width: 700px) {
  .login-card { max-width: 400px; }
}

@media (prefers-reduced-motion: reduce) {
  .radar-deco span { animation: none; opacity: 0; }
}

#debug-overlay {
  display: none !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 99999;
  background: rgba(0,0,0,0.85);
  color: #0f0;
  font-family: monospace;
  font-size: 11px;
  padding: 6px 8px;
  max-height: 40vh;
  overflow-y: auto;
  pointer-events: none;
  line-height: 1.4;
  word-break: break-all;
}