:root {
  --paper: #f5dfaa;
  --paper-soft: #d9bf83;
  --ink: #22150d;
  --iron: #33241b;
  --iron-light: #5c4936;
  --gold: #d6a949;
  --gold-bright: #ffd36e;
  --ember: #963b2e;
  --leaf: #3e7b60;
  --sky: #47739d;
  --shadow: rgba(8, 5, 3, 0.72);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--paper);
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background:
    linear-gradient(rgba(13, 8, 5, 0.22), rgba(13, 8, 5, 0.7)),
    url("images/bg.png") center / cover fixed no-repeat,
    #140f0d;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: default;
  opacity: 0.45;
}

.app-shell {
  width: min(1760px, calc(100% - 28px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 22px 0 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  text-shadow: 0 2px 8px #000;
}

.brand-mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: 0;
  background: var(--gold);
  border: 1px solid #ffe19c;
  border-radius: 6px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.36);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
  line-height: 1.1;
  letter-spacing: 0;
}

.brand p,
.section-head span,
.catalog-name small,
.drop-item-name small,
.compact-field span,
.comment-field span,
.sample-control span,
.chance-pill span {
  color: var(--paper-soft);
}

.type-switch {
  display: grid;
  grid-template-columns: repeat(3, minmax(132px, 1fr));
  gap: 6px;
  margin: 0;
  padding: 5px;
  border: 1px solid rgba(255, 217, 135, 0.32);
  border-radius: 6px;
  background: rgba(18, 12, 8, 0.72);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

.type-switch label {
  position: relative;
  display: grid;
  min-height: 38px;
  place-items: center;
  color: var(--paper-soft);
  border-radius: 4px;
}

.type-switch input {
  position: absolute;
  opacity: 0;
}

.type-switch span {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  border-radius: 4px;
}

.type-switch input:checked + span {
  color: #fff4c5;
  background: linear-gradient(#8c3c2c, #5a201a);
  box-shadow: inset 0 0 0 1px rgba(255, 221, 135, 0.48);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(370px, 0.75fr);
  gap: 18px;
  align-items: start;
}

.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 221, 135, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(rgba(32, 20, 13, 0.82), rgba(18, 11, 7, 0.94)),
    url("images/panel.png") center / 100% 100% no-repeat;
  box-shadow:
    0 20px 42px var(--shadow),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.builder-panel {
  padding: 18px;
}

.side-stack {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 18px;
}

.stats-panel,
.preview-panel,
.output-panel {
  padding: 16px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 42px;
  margin-bottom: 12px;
}

.section-head > div {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.meta-grid,
.custom-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

label {
  min-width: 0;
}

.meta-grid label,
.custom-grid label,
.sample-control,
.compact-field,
.comment-field {
  display: grid;
  gap: 5px;
}

.meta-grid span,
.custom-grid span {
  color: var(--paper-soft);
  font-size: 12px;
}

input,
textarea {
  width: 100%;
  color: #fff5cf;
  border: 1px solid rgba(255, 221, 135, 0.24);
  border-radius: 5px;
  outline: none;
  background: rgba(8, 5, 3, 0.68);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

input {
  min-height: 38px;
  padding: 8px 10px;
}

input:focus,
textarea:focus {
  border-color: rgba(255, 211, 110, 0.72);
  box-shadow:
    0 0 0 3px rgba(214, 169, 73, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.checkline {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: center;
  gap: 8px;
}

.checkline input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
  accent-color: var(--gold);
}

.catalog-head {
  align-items: end;
}

.search-input {
  max-width: 320px;
}

.item-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(212px, 1fr));
  gap: 8px;
  max-height: 270px;
  margin-bottom: 12px;
  padding-right: 5px;
  overflow: auto;
}

.catalog-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 6px 8px;
  color: var(--paper);
  text-align: left;
  border: 1px solid rgba(255, 221, 135, 0.16);
  border-radius: 6px;
  background: rgba(17, 10, 7, 0.72);
}

.catalog-item:hover {
  border-color: rgba(255, 211, 110, 0.58);
  background: rgba(72, 36, 24, 0.76);
}

.catalog-name,
.drop-item-name {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.catalog-name strong,
.drop-item-name strong,
.average-label strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.item-slot {
  position: relative;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  flex: 0 0 32px;
  overflow: hidden;
  color: rgba(255, 239, 191, 0.72);
  font-size: 8px;
  line-height: 1;
  background: url("images/belt-frame.png") center / 32px 32px no-repeat;
}

.item-slot img {
  position: relative;
  z-index: 1;
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.slot-fallback {
  position: absolute;
  inset: 4px;
  display: grid;
  place-items: center;
  overflow: hidden;
  text-align: center;
  word-break: break-all;
}

.custom-item {
  margin-bottom: 18px;
  border-top: 1px solid rgba(255, 221, 135, 0.16);
  border-bottom: 1px solid rgba(255, 221, 135, 0.16);
}

.import-box {
  margin-bottom: 18px;
  border-top: 1px solid rgba(255, 221, 135, 0.16);
  border-bottom: 1px solid rgba(255, 221, 135, 0.16);
}

.custom-item summary {
  padding: 10px 0;
  color: var(--gold-bright);
  cursor: pointer;
}

.import-box summary {
  padding: 10px 0;
  color: var(--gold-bright);
  cursor: pointer;
}

.import-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 116px;
  gap: 10px;
  align-items: start;
  padding-bottom: 12px;
}

.import-grid textarea {
  min-height: 150px;
  resize: vertical;
  padding: 10px;
  color: #ffeec0;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.45;
}

.import-actions {
  display: grid;
  gap: 8px;
}

.custom-grid {
  grid-template-columns: 110px minmax(150px, 1fr) minmax(210px, 1.2fr) 116px;
  align-items: end;
  margin: 0;
  padding-bottom: 12px;
}

.image-button {
  min-width: 116px;
  min-height: 35px;
  padding: 0 18px;
  color: #fff2bc;
  font-weight: 700;
  text-shadow: 0 1px 2px #000;
  border: 0;
  border-radius: 5px;
  background: url("images/button.png") center / 100% 100% no-repeat;
}

.image-button:hover {
  filter: brightness(1.1);
}

.image-button.small {
  min-width: 104px;
}

.image-button.danger {
  color: #ffe3d8;
  filter: saturate(0.86) hue-rotate(158deg);
}

.drop-head {
  margin-top: 4px;
}

.drop-columns,
.drop-row {
  display: grid;
  grid-template-columns: minmax(210px, 1.45fr) 86px 100px 82px minmax(150px, 0.9fr) 100px;
  gap: 8px;
  align-items: center;
}

.drop-columns {
  padding: 0 8px 7px;
  color: var(--paper-soft);
  font-size: 12px;
}

.drop-list {
  display: grid;
  gap: 8px;
}

.drop-row {
  min-height: 58px;
  padding: 8px;
  border: 1px solid rgba(255, 221, 135, 0.17);
  border-radius: 6px;
  background: rgba(11, 7, 4, 0.72);
}

.drop-row.dragging {
  opacity: 0.55;
  border-color: rgba(255, 211, 110, 0.72);
  background: rgba(72, 36, 24, 0.78);
}

.drop-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.compact-field input,
.comment-field input {
  min-height: 34px;
  padding: 6px 8px;
}

.compact-field span,
.comment-field span,
.chance-pill span {
  display: none;
  font-size: 11px;
}

.chance-pill {
  display: grid;
  min-height: 34px;
  align-content: center;
  padding: 6px 8px;
  color: #fff4c6;
  border: 1px solid rgba(255, 221, 135, 0.18);
  border-radius: 5px;
  background: rgba(47, 90, 128, 0.24);
}

.chance-pill strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-actions {
  display: grid;
  grid-template-columns: repeat(3, 28px);
  gap: 4px;
  justify-content: end;
}

.row-actions button {
  width: 28px;
  height: 28px;
  padding: 0;
  color: #ffeebd;
  border: 1px solid rgba(255, 221, 135, 0.24);
  border-radius: 4px;
  background: rgba(48, 31, 20, 0.82);
}

.row-actions button:hover:not(:disabled) {
  border-color: rgba(255, 211, 110, 0.72);
  background: rgba(111, 48, 35, 0.88);
}

.row-actions .drag-handle {
  display: grid;
  align-content: center;
  gap: 2px;
  cursor: grab;
}

.row-actions .drag-handle:active {
  cursor: grabbing;
}

.row-actions .drag-handle span {
  display: block;
  width: 14px;
  height: 2px;
  justify-self: center;
  border-radius: 2px;
  background: currentColor;
  opacity: 0.82;
  pointer-events: none;
}

.average-chart {
  display: grid;
  gap: 10px;
  max-height: 380px;
  overflow: auto;
  padding-right: 4px;
}

.average-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.average-main {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.average-label {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  font-size: 13px;
}

.average-label span {
  color: #fff0bf;
  font-weight: 700;
}

.bar-track {
  height: 8px;
  overflow: hidden;
  border-radius: 4px;
  background: rgba(9, 6, 4, 0.7);
}

.bar-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--leaf), var(--gold));
}

.drop-preview-window {
  display: grid;
  grid-template-columns: repeat(9, 32px);
  gap: 0;
  width: 306px;
  max-width: 100%;
  margin: 0 auto;
  padding: 8px 9px;
  overflow-x: auto;
  border: 1px solid rgba(255, 221, 135, 0.26);
  border-radius: 6px;
  background:
    linear-gradient(rgba(8, 5, 4, 0.76), rgba(8, 5, 4, 0.9)),
    radial-gradient(circle at 50% 0, rgba(214, 169, 73, 0.16), transparent 70%);
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, 0.72),
    inset 0 0 22px rgba(0, 0, 0, 0.54);
}

.preview-slot {
  position: relative;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  overflow: hidden;
  color: rgba(255, 239, 191, 0.62);
  font-size: 8px;
  line-height: 1;
  background: url("images/belt-frame.png") center / 32px 32px no-repeat;
}

.preview-slot img {
  position: relative;
  z-index: 1;
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.preview-slot.empty .slot-fallback {
  display: none;
}

.preview-count {
  position: absolute;
  right: 3px;
  bottom: 2px;
  z-index: 2;
  color: #fff2a6;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
  text-shadow:
    1px 1px 0 #000,
    -1px 1px 0 #000,
    1px -1px 0 #000,
    -1px -1px 0 #000;
  pointer-events: none;
}

.sample-control {
  width: 118px;
}

.sample-control input {
  min-height: 34px;
}

.output-panel textarea {
  min-height: 360px;
  resize: vertical;
  padding: 12px;
  color: #ffeec0;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre;
}

.empty-state {
  display: grid;
  min-height: 54px;
  place-items: center;
  color: var(--paper-soft);
  border: 1px dashed rgba(255, 221, 135, 0.22);
  border-radius: 6px;
  background: rgba(11, 7, 4, 0.42);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 5;
  padding: 10px 14px;
  color: #fff5cf;
  border: 1px solid rgba(255, 221, 135, 0.34);
  border-radius: 6px;
  background: rgba(22, 14, 9, 0.94);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.38);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .side-stack {
    position: static;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

@media (max-width: 900px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .side-stack {
    grid-template-columns: 1fr;
  }

  .meta-grid,
  .custom-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .import-grid {
    grid-template-columns: 1fr;
  }

  .import-actions {
    grid-template-columns: repeat(2, minmax(104px, 1fr));
  }

  .custom-grid .image-button {
    grid-column: span 2;
  }

  .drop-columns {
    display: none;
  }

  .drop-row {
    grid-template-columns: minmax(0, 1fr) repeat(2, minmax(82px, 0.26fr));
  }

  .drop-item,
  .comment-field {
    grid-column: 1 / -1;
  }

  .compact-field span,
  .comment-field span,
  .chance-pill span {
    display: block;
  }

  .row-actions {
    grid-column: 1 / -1;
    justify-content: start;
  }
}

@media (max-width: 620px) {
  .app-shell {
    width: min(100% - 16px, 1760px);
    padding-top: 10px;
  }

  .builder-panel,
  .stats-panel,
  .preview-panel,
  .output-panel {
    padding: 12px;
  }

  .type-switch,
  .meta-grid,
  .custom-grid {
    grid-template-columns: 1fr;
  }

  .import-actions {
    grid-template-columns: 1fr;
  }

  .custom-grid .image-button {
    grid-column: auto;
  }

  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .search-input,
  .sample-control {
    max-width: none;
    width: 100%;
  }

  .item-catalog {
    grid-template-columns: 1fr;
  }

  .drop-row {
    grid-template-columns: 1fr 1fr;
  }

  .chance-pill {
    grid-column: 1 / -1;
  }
}