* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #dae8ed;
  font-family: Arial, Helvetica, sans-serif;
  touch-action: none;
}

#game {
  display: block;
  width: 100vw;
  height: 100vh;
  background: #d8edf2;
}

#session-panel {
  position: fixed;
  top: 88px;
  right: 22px;
  z-index: 4;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  width: min(238px, calc(100vw - 44px));
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(38, 53, 61, 0.18);
  box-shadow: 0 14px 34px rgba(26, 50, 59, 0.22);
  pointer-events: auto;
}

body.login-required #session-panel {
  top: 50%;
  right: auto;
  left: 50%;
  width: min(340px, calc(100vw - 36px));
  transform: translate(-50%, -50%);
  padding: 18px;
  gap: 10px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 22px 60px rgba(25, 48, 58, 0.34);
}

.session-title {
  color: #263942;
  font: 900 16px Arial, Helvetica, sans-serif;
  text-align: center;
}

.session-help {
  color: #49616b;
  font: 900 12px/1.35 Arial, Helvetica, sans-serif;
  text-align: center;
}

body.logged-in .session-help {
  display: none;
}

body.logged-in #session-panel {
  top: auto;
  bottom: 12px;
  right: 12px;
  width: auto;
  padding: 0;
  gap: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

body.logged-in .session-title,
body.logged-in #login-form,
body.logged-in #session-status {
  display: none;
}

#login-form {
  display: grid;
  grid-template-columns: 1fr 1fr 58px;
  gap: 6px;
}

#login-code,
#login-name,
#login-button,
#pause-button {
  border: 0;
  border-radius: 8px;
  font: 900 12px Arial, Helvetica, sans-serif;
  touch-action: manipulation;
}

#login-code,
#login-name {
  min-width: 0;
  height: 30px;
  padding: 0 9px;
  color: #263942;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(38, 53, 61, 0.2);
}

body.logged-in #login-code,
body.logged-in #login-name {
  display: none;
}

body.logged-in #login-form {
  grid-template-columns: 1fr;
}

#login-button,
#pause-button {
  height: 30px;
  color: #ffffff;
  background: #43606b;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.18);
}

#pause-button {
  min-width: 86px;
  background: rgba(31, 168, 60, 0.82);
}

#pause-button.paused {
  background: rgba(196, 84, 64, 0.86);
}

#session-status {
  min-height: 24px;
  padding: 5px 8px;
  border-radius: 8px;
  color: #ffffff;
  background: rgba(36, 57, 66, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.36);
  font: 900 11px Arial, Helvetica, sans-serif;
  text-align: center;
}

@media (max-width: 520px) {
  #session-panel {
    top: 72px;
    right: 12px;
    width: min(218px, calc(100vw - 24px));
    padding: 10px;
    gap: 6px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 10px 24px rgba(26, 50, 59, 0.16);
  }

  body.login-required #session-panel {
    width: min(300px, calc(100vw - 32px));
    padding: 14px;
    gap: 8px;
    background: rgba(255, 255, 255, 0.86);
  }

  body.logged-in #session-panel {
    top: auto;
    bottom: 12px;
    right: 10px;
    width: auto;
    padding: 0;
    background: transparent;
    box-shadow: none;
  }

  .session-title {
    font-size: 14px;
  }

  .session-help {
    font-size: 11px;
  }

  #login-form {
    grid-template-columns: 1fr;
  }

  #login-code,
  #login-name,
  #login-button,
  #pause-button {
    height: 28px;
    border-radius: 8px;
    font-size: 11px;
  }

  body.logged-in #pause-button {
    width: 76px;
    min-width: 76px;
    height: 30px;
    font-size: 11px;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.14);
  }

  #session-status {
    min-height: 21px;
    padding: 4px 7px;
    font-size: 10px;
    background: rgba(36, 57, 66, 0.56);
  }
}

#beta-toggle,
#beta-panel button {
  border: 0;
  font: 800 13px Arial, Helvetica, sans-serif;
  color: #ffffff;
  background: #243942;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.22);
  touch-action: manipulation;
}

#beta-toggle {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 3;
  display: none;
  min-width: 62px;
  height: 38px;
  border-radius: 9px;
  background: #1fa83c;
}

body.beta-tools #beta-toggle {
  display: block;
}

#beta-panel {
  position: fixed;
  right: 18px;
  bottom: 66px;
  z-index: 3;
  display: none;
  width: min(280px, calc(100vw - 36px));
  padding: 12px;
  border-radius: 12px;
  background: rgba(36, 57, 66, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 14px 32px rgba(25, 48, 58, 0.28);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 140ms ease, transform 140ms ease;
}

body.beta-tools #beta-panel {
  display: block;
}

body.beta-tools #beta-panel.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.beta-title {
  margin: 0 0 9px;
  color: #ffffff;
  font: 900 14px Arial, Helvetica, sans-serif;
}

.beta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

#beta-panel button {
  min-height: 38px;
  padding: 6px 5px;
  border-radius: 8px;
  background: #43606b;
}

#beta-panel button:active,
#beta-toggle:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.22);
}