.game-config-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  min-height: 720px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.game-config-nav {
  display: grid;
  align-content: start;
  min-width: 0;
  max-height: 900px;
  overflow: auto;
  border-right: 1px solid var(--line);
  background: #f8fafb;
}

.game-config-nav button {
  display: grid;
  gap: 2px;
  width: 100%;
  min-height: 55px;
  padding: 10px 13px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.game-config-nav button:hover,
.game-config-nav button.active {
  background: #fff;
}

.game-config-nav button.active {
  box-shadow: inset 4px 0 0 var(--gold);
}

.game-config-nav strong {
  font-size: 12px;
}

.game-config-nav small {
  color: var(--muted);
  font-size: 8px;
  font-weight: 850;
}

.game-config-editor {
  display: grid;
  align-content: start;
  min-width: 0;
}

.game-config-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  min-height: 82px;
  padding: 17px 20px;
  border-bottom: 1px solid var(--line);
}

.game-config-head span {
  color: #08715a;
  font-size: 9px;
  font-weight: 950;
}

.game-config-head h3 {
  margin: 2px 0 0;
  font-size: 21px;
}

.game-config-head b {
  color: var(--muted);
  font-size: 10px;
}

.game-config-fields {
  display: grid;
}

.game-config-group {
  padding: 18px 20px 20px;
  border-bottom: 1px solid var(--line);
}

.game-config-group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.game-config-group-head h4 {
  margin: 0;
  font-size: 14px;
}

.game-config-group-head p {
  margin: 0;
  color: var(--muted);
  font-size: 9px;
}

.game-config-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.game-config-field {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
}

.game-config-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #fff;
}

.game-config-input:focus-within {
  border-color: #08715a;
  box-shadow: 0 0 0 3px rgba(8, 113, 90, 0.1);
}

.game-config-input input {
  width: 100%;
  min-width: 0;
  height: 42px;
  padding: 0 10px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 800;
}

.game-config-input span {
  padding: 0 10px;
  color: var(--muted);
  font-size: 9px;
  white-space: nowrap;
}

.game-rule-editor {
  display: grid;
  gap: 7px;
  padding: 20px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
}

.game-rule-editor textarea {
  width: 100%;
  min-height: 190px;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  line-height: 1.7;
  resize: vertical;
}

.game-rule-editor textarea:focus {
  border-color: #08715a;
  outline: 3px solid rgba(8, 113, 90, 0.1);
}

.game-rule-editor small {
  font-size: 9px;
  font-weight: 750;
}

.game-config-actions {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  min-height: 70px;
  padding: 12px 20px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.game-config-actions p {
  min-width: 0;
  margin: 0 auto 0 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 850;
}

.game-config-actions p.success {
  color: #08715a;
}

.game-config-actions p.error {
  color: #b42340;
}

.game-config-rules-only {
  display: grid;
  place-items: center;
  min-height: 150px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
  background: #f8fafb;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

@media (max-width: 1000px) {
  .game-config-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .game-config-layout {
    display: block;
  }

  .game-config-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: 260px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .game-config-nav button {
    border-right: 1px solid var(--line);
  }

  .game-config-nav button.active {
    box-shadow: inset 0 -4px 0 var(--gold);
  }
}

@media (max-width: 520px) {
  .game-config-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .game-config-group,
  .game-rule-editor {
    padding-right: 14px;
    padding-left: 14px;
  }
}