* {
  box-sizing: border-box;
}

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

li {
  margin: 0;
  padding: 0;
}

html,
body,
#app {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #eef3f0;
  background: #151719;
}

button,
input {
  font: inherit;
}

select {
  font: inherit;
}

select option {
  color: #111;
  background: #fff;
}

*:focus {
  outline: none;
}

#scene {
  display: block;
  width: 100%;
  height: 100%;
}

.panel {
  position: fixed;
  z-index: 10;
  top: 16px;
  width: min(280px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(22, 27, 28, 0.82);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
}

.panel::-webkit-scrollbar {
  width: 5px;
}

.panel::-webkit-scrollbar-track {
  background: transparent;
}

.panel::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.panel::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

.panel {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.panel-left {
  z-index: 20;
  left: 16px;
  padding: 16px;
}

.panel-right {
  right: 16px;
  padding: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.brand-mark {
  display: flex;
  width: 56px;
  flex: 0 0 auto;
}
.brand-mark img {
  width: 100%;
}

.brand h1 {
  margin: 0;
  font-size: 17px;
  line-height: 1.2;
  letter-spacing: 0;
}

.brand p {
  margin: 3px 0 0;
  font-size: 12px;
  color: #aab6b0;
}

.tool-group {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.tool-group.language {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tool-group.language .field-control {
  max-width: 100px;
}

.tool-button {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  width: 100%;
  padding: 0 10px;
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  color: #eef3f0;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, transform 120ms ease;
}

.tool-button:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
}

.tool-button:active {
  transform: translateY(1px);
}

.tool-button.active {
  border-color: rgba(101, 184, 111, 0.84);
  background: rgba(101, 184, 111, 0.18);
}

.danger-button {
  border-color: rgba(217, 93, 79, 0.42);
}

.danger-button:hover {
  border-color: rgba(217, 93, 79, 0.8);
  background: rgba(217, 93, 79, 0.14);
}

.icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border-radius: 5px;
  color: #101413;
  background: #eef3f0;
  font-weight: 800;
  line-height: 1;
}

.file-button {
  position: relative;
}

.file-button input {
  position: absolute;
  inset: 0;
  width: 100%;
  opacity: 0;
  cursor: pointer;
}

.material-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.material-actions {
  display: flex;
  gap: 4px;
}

.mini-button {
  width: 26px;
  height: 22px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  color: #eef3f0;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  display: grid;
  place-items: center;
}

.mini-button:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.14);
}

.danger-mini:hover {
  border-color: rgba(217, 93, 79, 0.8);
  background: rgba(217, 93, 79, 0.14);
}

.field-label {
  color: #aab6b0;
  font-size: 12px;
}

.field-control {
  width: 100%;
  min-height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  padding: 0 8px;
  font-size: 12px;
  color: #eef3f0;
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

.field-control:focus {
  border-color: rgba(101, 184, 111, 0.78);
}

.inline-fields {
  display: grid;
  grid-template-columns: 1fr 64px;
  gap: 8px;
}

.palette-fields {
  grid-template-columns: 44px 1fr;
}

.color-control {
  width: 44px;
  height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

.number-control {
  text-align: center;
}

.range-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.range-row:last-child {
  margin-bottom: 0;
}

.range-label {
  color: #aab6b0;
  font-size: 11px;
  white-space: nowrap;
}

.range-control {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.range-control::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  background: #65b86f;
  cursor: pointer;
  border: none;
}

.range-control::-moz-range-thumb {
  width: 8px;
  height: 14px;
  border-radius: 2px;
  background: #65b86f;
  cursor: pointer;
  border: none;
}

.field-control:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.hint-bar {
  position: fixed;
  z-index: 10;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 14px 10px;
  width: 100%;
  max-width: min(900px, calc(100vw - 32px));
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(22, 27, 28, 0.82);
  backdrop-filter: blur(14px);
  color: #aab6b0;
  font-size: 12px;
  pointer-events: none;
}

.hint-bar span {
  margin-right: 6px;
}

.hint-bar kbd {
  margin-right: 5px;
}
.hint-bar kbd:last-child {
  margin-right: 0px;
}

kbd {
  min-width: 24px;
  padding: 4px 6px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 5px;
  color: #eef3f0;
  background: rgba(255, 255, 255, 0.08);
  text-align: center;
}

.stats {
  display: grid;
  gap: 10px;
  margin: 0;
}

.stats div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 10px;
  align-items: baseline;
  min-height: 28px;
}

.stats dt {
  color: #aab6b0;
  font-size: 12px;
}

.stats dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
  color: #f7faf8;
  text-align: right;
}

.lock-button {
  position: fixed;
  z-index: 12;
  left: 50%;
  bottom: 200px;
  transform: translateX(-50%);
  min-width: min(280px, calc(100vw - 32px));
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: #111514;
  background: #eef3f0;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
  cursor: pointer;
}

.lock-button.hidden {
  display: none;
}

.crosshair {
  position: fixed;
  z-index: 8;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 18px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.crosshair::before,
.crosshair::after {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.78);
}

.crosshair::before {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.crosshair::after {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.toast {
  position: fixed;
  z-index: 15;
  left: 50%;
  top: 18px;
  max-width: min(520px, calc(100vw - 32px));
  padding: 10px 14px;
  border-radius: 7px;
  color: #111514;
  background: #d7a84d;
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.28);
  transform: translate(-50%, -140%);
  transition: transform 180ms ease;
}

.toast.visible {
  transform: translate(-50%, 0);
}

/* ── Mobile Viewer ── */

.mobile-bar,
.mobile-notice {
  display: none;
}

.mobile-viewer .panel,
.mobile-viewer .hint-bar,
.mobile-viewer .lock-button,
.mobile-viewer .crosshair {
  display: none !important;
}

.mobile-viewer .mobile-bar {
  display: flex;
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(22, 27, 28, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.mobile-brand .brand-mark {
  width: 28px;
  height: 28px;
}

.mobile-brand strong {
  font-size: 14px;
  white-space: nowrap;
}

.mobile-count {
  font-size: 12px;
  color: #aab6b0;
  white-space: nowrap;
}

.mobile-load-button {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  color: #eef3f0;
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}

.mobile-load-button input {
  position: absolute;
  inset: 0;
  width: 100%;
  opacity: 0;
  cursor: pointer;
}

.mobile-viewer .mobile-notice {
  display: block;
  position: fixed;
  z-index: 10;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  text-align: center;
  padding: 10px 18px;
  border-radius: 8px;
  background: rgba(22, 27, 28, 0.82);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.mobile-notice p {
  margin: 0;
  font-size: 12px;
  color: #aab6b0;
}

.mobile-hint {
  margin-top: 4px !important;
  font-size: 11px !important;
  color: #7a8580 !important;
}

/* ── Patch Notes Modal ── */

.modal-overlay {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  animation: modalFadeIn 200ms ease;
}

.modal-overlay.hidden {
  display: none;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  width: min(600px, calc(100vw - 40px));
  max-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(22, 27, 28, 0.82);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  animation: modalSlideIn 200ms ease;
}

@keyframes modalSlideIn {
  from { transform: translateY(12px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}

.modal-close {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  color: #aab6b0;
  background: transparent;
  font-size: 18px;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #eef3f0;
}

.modal-body {
  padding: 14px 18px;
  overflow-y: auto;
  flex: 1;
  font-size: 13px;
  line-height: 1.6;
  color: #ccd4cf;
}

.modal-body::-webkit-scrollbar {
  width: 5px;
}

.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.modal-body h3 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  color: #a78bcc;
}

.modal-body ul {
  margin: 0 0 14px;
  padding-left: 18px;
  list-style: disc;
}

.modal-body ul:last-child {
  margin-bottom: 0;
}

.modal-body li {
  margin-bottom: 4px;
}

.modal-ok {
  margin: 0 18px 14px;
  min-height: 34px;
  border: 1px solid rgba(167, 139, 204, 0.5);
  border-radius: 7px;
  color: #eef3f0;
  background: rgba(167, 139, 204, 0.18);
  font-size: 13px;
  cursor: pointer;
  transition: background 120ms ease;
}

.modal-ok:hover {
  background: rgba(167, 139, 204, 0.3);
}

.version-button {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  padding: 6px 0;
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: transparent;
  color: #7a8580;
  font-size: 11px;
  cursor: pointer;
  width: 100%;
  transition: color 120ms ease;
}

.version-button:hover {
  color: #aab6b0;
}

@media (max-width: 760px) {
  .panel {
    width: calc(50vw - 20px);
  }

  .panel-left {
    left: 8px;
    top: 8px;
    padding: 10px;
  }

  .panel-right {
    right: 8px;
    top: 8px;
    padding: 10px;
  }

  .brand h1 {
    font-size: 14px;
  }

  .brand p,
  .hint,
  .compact-group,
  .tool-button span:last-child {
    display: none;
  }

  .tool-button {
    justify-content: center;
    padding: 0;
  }

  .stats div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .stats dd {
    text-align: left;
  }

  .hint-bar {
    display: none;
  }
}