body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0a0f1f;
  color: #eee;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 20px;
  box-sizing: border-box;
  overscroll-behavior: none;
}

h1 {
  margin: 0 0 16px 0;
  font-weight: 500;
  font-size: 1.7em;
  letter-spacing: 0.06em;
  color: #80a8ff;
  text-shadow: 0 0 16px rgba(120, 160, 255, 0.4);
}

body[data-screen="game"] h1 { display: none; }

h2 {
  margin: 0 0 12px 0;
  font-weight: 500;
  font-size: 1.3em;
}

h3 {
  margin: 8px 0 4px 0;
  font-size: 0.95em;
  color: #a8b8d8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.screen { display: none; }
.screen.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 560px;
}
#screen-game.active {
  max-width: 100%;
}

.lead {
  text-align: center;
  color: #a8b0c8;
  line-height: 1.5;
  margin: 4px 0 24px;
}

.screen-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.hint {
  color: #707898;
  font-size: 0.85em;
  margin-top: 14px;
  text-align: center;
}

.hint-small {
  color: #a8b0c8;
  font-size: 0.82em;
  line-height: 1.5;
  margin: 4px 0;
}

.hint-keys { color: #707898; }

.hint-small kbd {
  background: #0e1530;
  border: 1px solid #2a3a60;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.85em;
  font-family: ui-monospace, Menlo, monospace;
  color: #cce0ff;
}

.onboarding-tip {
  width: 100%;
  background: #1a2540;
  border: 1px solid #2a3a60;
  border-left: 4px solid #80a8ff;
  padding: 12px 14px;
  border-radius: 6px;
  margin: 4px 0 16px;
  font-size: 0.9em;
  color: #c8d0e8;
  box-sizing: border-box;
  line-height: 1.5;
}

.onboarding-tip p { margin: 0 0 8px 0; }
.onboarding-tip button { padding: 5px 12px; font-size: 0.85em; }

button, select {
  padding: 9px 16px;
  font-size: 0.95em;
  border-radius: 6px;
  border: 1px solid #2a3a60;
  background: #1a2540;
  color: #eee;
  cursor: pointer;
  font-family: inherit;
}

button:hover:not(:disabled) { background: #2a3a60; }
button:disabled { opacity: 0.4; cursor: not-allowed; }

.primary-btn {
  background: #4a6fd0;
  border-color: #6a8fef;
  font-weight: 600;
}
.primary-btn:hover:not(:disabled) { background: #6a8fef; }

.success-btn {
  background: #3a8a5a;
  border-color: #4caf6c;
}
.success-btn:hover:not(:disabled) { background: #4aaa6a; }

.danger-btn {
  background: #8a3a3a;
  border-color: #c04c4c;
}
.danger-btn:hover:not(:disabled) { background: #a04a4a; }

.form-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 8px 0;
  width: 100%;
}

.form-row-stacked {
  flex-direction: column;
  align-items: flex-start;
}

.form-row label {
  color: #c8d0e8;
  font-size: 0.95em;
}

.form-row textarea, .form-row input[type="text"], .form-row input[type="url"] {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #2a3a60;
  background: #0e1530;
  color: #eee;
  font-family: inherit;
  font-size: 0.9em;
  box-sizing: border-box;
}

.invite-row {
  display: flex;
  gap: 8px;
  width: 100%;
  margin: 8px 0 16px;
}

#invite-link {
  flex: 1;
  padding: 9px 12px;
  border-radius: 6px;
  border: 1px solid #2a3a60;
  background: #0e1530;
  color: #cce0ff;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 0.9em;
}

.lobby-players {
  width: 100%;
  background: #131c38;
  border-radius: 8px;
  padding: 12px 16px;
  margin: 8px 0;
  box-sizing: border-box;
}

#player-list {
  margin: 0;
  padding-left: 22px;
  color: #c8d0e8;
}

#player-list li { padding: 3px 0; }

.knock-box {
  width: 100%;
  background: #1a2540;
  border: 1px solid #80a8ff;
  border-radius: 8px;
  padding: 14px 16px;
  margin: 10px 0;
  text-align: center;
  box-sizing: border-box;
}

.knock-box p { margin: 0 0 10px 0; }
.knock-box button { margin: 0 4px; }

#lobby-status, #guest-status {
  color: #a8b0c8;
  margin: 4px 0 8px;
  text-align: center;
}