/* Sci-Fi Futuristic Theme for Home Lobby */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;800;900&family=Rajdhani:wght@400;500;600;700&display=swap');

:root {
  --bg-dark: #0a0c16;
  --panel-bg: rgba(13, 17, 33, 0.75);
  --panel-border: rgba(0, 240, 255, 0.25);
  --cyan-glow: #00f0ff;
  --purple-glow: #9d4edd;
  --pink-accent: #ff007f;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --font-heading: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
}

* {
  box-sizing: border-box;
}

body, html {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-dark);
  overflow-x: hidden;
}

.hidden {
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.remove {
  display: none !important;
}

.bg2 {
  background-image: radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.6) 0%, rgba(10, 12, 22, 0.95) 100%), url("/image/a.jpg");
  height: 100%;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: -2;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 12, 22, 0.8) 0%, rgba(20, 10, 35, 0.7) 100%);
  pointer-events: none;
  z-index: -1;
}

.main-wrapper {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 520px;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 30px 25px;
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.15),
              inset 0 0 15px rgba(0, 240, 255, 0.05);
  animation: floatPanel 6s ease-in-out infinite alternate;
}

@keyframes floatPanel {
  0% { transform: translateY(0px); box-shadow: 0 0 35px rgba(0, 240, 255, 0.15); }
  100% { transform: translateY(-6px); box-shadow: 0 10px 45px rgba(157, 78, 221, 0.25); }
}

.badge-title {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 3px;
  color: var(--cyan-glow);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-shadow: 0 0 8px var(--cyan-glow);
}

.game-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  margin: 0;
  letter-spacing: 4px;
  background: linear-gradient(135deg, #ffffff 0%, var(--cyan-glow) 50%, var(--purple-glow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.game-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 6px 0 20px 0;
  letter-spacing: 1px;
}

.lobby-header {
  margin: 15px 0 10px;
}

.lobby-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.2), transparent);
  padding: 6px 20px;
  border-left: 2px solid var(--cyan-glow);
  border-right: 2px solid var(--cyan-glow);
}

#timer {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--pink-accent);
  text-shadow: 0 0 15px var(--pink-accent);
  margin: 15px 0;
  animation: pulseTimer 1s ease-in-out infinite alternate;
}

@keyframes pulseTimer {
  0% { transform: scale(1); opacity: 0.9; }
  100% { transform: scale(1.08); opacity: 1; }
}

.players-card {
  background: rgba(5, 8, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 15px;
  margin: 20px 0;
  max-height: 220px;
  overflow-y: auto;
}

.card-header-sm {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-align: left;
}

#list-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.center-button {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 1px;
  width: 100%;
  padding: 10px 16px;
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.08) 0%, rgba(157, 78, 221, 0.08) 100%);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: #fff;
  text-align: left;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.center-button::before {
  content: '● ONLINE';
  position: absolute;
  right: 15px;
  font-size: 0.7rem;
  font-family: var(--font-heading);
  color: var(--cyan-glow);
  text-shadow: 0 0 6px var(--cyan-glow);
}

.panel-action-card {
  margin-top: 25px;
}

.username label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 2.5px;
  color: var(--cyan-glow);
  margin-bottom: 8px;
  display: block;
}

.input-glow-wrapper {
  position: relative;
  margin-bottom: 20px;
}

.form-control {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 600;
  padding: 12px 18px;
  background: rgba(5, 8, 20, 0.8);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 12px;
  color: #fff;
  outline: none;
  transition: all 0.3s ease;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

.form-control:focus {
  border-color: var(--cyan-glow);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4), inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

.button-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.center-button2 {
  width: 100%;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 14px 20px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  margin: 0;
}

.btn-glow-cyan {
  background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 198, 255, 0.4);
}

.btn-glow-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 198, 255, 0.7);
}

.btn-glow-purple {
  background: linear-gradient(135deg, #a855f7 0%, #6b21a8 100%);
  color: #fff;
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.4);
}

.btn-glow-purple:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.7);
}

.center-button2:active {
  transform: translateY(1px);
}

@media only screen and (max-width: 600px) {
  .container {
    padding: 20px 15px;
    border-radius: 16px;
  }
  .game-title {
    font-size: 2rem;
  }
}