@font-face {
  font-family: "Factorio";
  src: url("https://fonts.cdnfonts.com/s/19687/PressStart2P-Regular.woff") format("woff");
}
:root {
  --factorio-dark: #262626;
  --factorio-darker: #1a1a1a;
  --factorio-mid: #414141;
  --factorio-accent: #358cca;
  --factorio-accent-dark: #296cb0;
  --factorio-text: #e9e9e9;
  --factorio-yellow: #ffd200;
  --factorio-blue: #5796c8;
  --factorio-red: #db2e20;
  --factorio-green: #1d6d1d;
  --factorio-panel-border: #696969;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: "Factorio", monospace;
  background: var(--factorio-dark) url('https://i.ibb.co/39K7GFn6/nuclear-ground.png');
  color: var(--factorio-text);
  font-size: 13px;
  min-height: 100vh;
  line-height: 1.5;
}
.container {
  max-width: 800px;
  margin: 30px auto 0 auto;
  padding: 0 15px;
}
.github-corner-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  margin: 12px 0 0 12px;
  text-decoration: none;
  background: var(--factorio-accent);
  color: #181818;
  border: 2px solid #696969;
  border-radius: 6px;
  padding: 6px 10px 6px 10px;
  font-family: "Factorio", monospace;
  font-size: 13px;
  font-weight: bold;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 0 8px #0006, 0 2px 8px #ff9d0044;
  transition: background 0.16s, color 0.16s, box-shadow 0.16s;
  outline: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.github-corner-link:hover {
  background: var(--factorio-accent-dark);
  color: #fff;
  box-shadow: 0 0 18px #ff9d0088, 0 2px 12px #000a;
  text-decoration: none;
}
.github-corner-link svg {
  display: inline;
  width: 18px;
  height: 18px;
  fill: currentColor;
  margin-right: 3px;
  margin-bottom: -2px;
}
.factorio-frame {
  background-color: var(--factorio-mid);
  border: 3px solid var(--factorio-panel-border);
  border-radius: 0;
  position: relative;
  padding: 30px 20px 30px;
  margin-bottom: 30px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}
.factorio-frame::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 20px;
  background-color: var(--factorio-panel-border);
}
.factorio-frame-title {
  position: absolute;
  top: 0;
  left: 12px;
  height: 20px;
  line-height: 20px;
  color: var(--factorio-text);
  font-size: 10px;
  text-transform: uppercase;
  z-index: 1;
}
.header {
  text-align: center;
  margin-bottom: 20px;
}
.header h1 {
  font-size: 24px;
  color: var(--factorio-yellow);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  margin-bottom: 10px;
}
.format-panel {
  background-color: var(--factorio-darker);
  border: 2px solid #555;
  margin-bottom: 15px;
  position: relative;
  padding-bottom: 16px;
}
.format-header {
  background-color: #333;
  padding: 8px 12px;
  border-bottom: 2px solid #555;
  display: flex;
  align-items: center;
  font-size: 13px;
  color: var(--factorio-blue);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
}
.format-icon {
  width: 32px;
  height: 32px;
  background-image: url('https://i.ibb.co/d4Gxc5jW/blueprint2.png');
  background-size: contain;
  background-repeat: no-repeat;
  margin-right: 10px;
}
.format-body {
  padding: 20px 10px 0 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.factorio-label {
  font-size: 13px;
  color: var(--factorio-yellow);
  font-weight: bold;
  margin-bottom: 8px;
  text-shadow: 1px 1px 2px #0009;
  text-align: center;
  letter-spacing: 1px;
}
.factorio-textarea, .result-box {
  width: 600px;
  min-width: 690px;
  max-width: 690px;
  min-height: 100px;
  max-height: 300px;
  height: 100px;
  margin-bottom: 18px;
  font-size: 13px;
  background: #111;
  color: var(--factorio-text);
  border: 2px solid #555;
  border-radius: 0;
  padding: 12px;
  font-family: "Consolas", "Fira Mono", "Menlo", "Monaco", monospace;
  outline: none;
  box-shadow: 0 1px 6px #0002;
  resize: vertical;
  overflow-y: auto;
  word-break: break-all;
  overflow-wrap: anywhere;
  line-break: anywhere;
  transition: border 0.18s;
  margin-left: auto;
  margin-right: auto;
  display: block;
}
.factorio-textarea:focus {
  border-color: var(--factorio-blue);
}
.result-box {
  margin: 0;
  padding: 0;
}
.result-box:focus {
  border-color: var(--factorio-blue);
}
 .blueprint-book {
  display: flex;
  background-color: var(--factorio-darker);
  border: 2px solid #555;
  padding: 5px;
  margin-bottom: 20px;
  position: relative;
}
.blueprint-book-icon {
  flex: 0 0 42px;
  height: 42px;
  background-image: url('https://i.ibb.co/Lf1C9DF/blueprint1.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  margin-right: 10px;
}
.blueprint-book-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.blueprint-book-title {
  font-size: 16px;
  color: var(--factorio-blue);
  margin-bottom: 5px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}
.blueprint-book-desc {
  font-size: 10px;
  color: #aaa;
}
 .icon-grid {
  position: absolute;
  top: 10px;
  right: -66px;
  display: grid;
  grid-template-columns: repeat(4, 24px);
  grid-gap: 2px;
}
.icon-box {
  width: 24px;
  height: 24px;
  background-color: #333;
  border: 1px solid #555;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--factorio-text);
}
.center-row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 10px;
  margin-top: 6px;
  justify-content: center;
  width: 100%;
}
.chunk-size-input,
.tail-split-input {
  width: 90px;
  font-size: 1.1em;
  padding: 8px 10px;
  border: 2px solid #555;
  border-radius: 0;
  background: #191919;
  color: var(--factorio-yellow);
  outline: none;
  text-align: center;
  font-family: inherit;
  transition: border 0.18s;
  margin-left: 7px;
  margin-right: 10px;
}
.chunk-size-input:focus,
.tail-split-input:focus {
  border-color: var(--factorio-blue);
}
.tail-split-input {
  margin-left: 0;
  margin-right: 0;
}
.tail-split-label {
  font-size: 1em;
  color: var(--factorio-yellow);
  margin-bottom: 0;
  margin-right: 2px;
  font-weight: bold;
  letter-spacing: .7px;
}
.mode-select-container {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 18px 0;
  justify-content: flex-end;
}
.mode-label {
  color: var(--factorio-yellow);
  font-size: 1em;
  font-weight: bold;
  letter-spacing: .7px;
}
.mode-dropdown {
  appearance: none;
  border: 2px solid #aaa;
  border-radius: 0;
  background: #323232;
  color: var(--factorio-yellow);
  font-size: 1.07em;
  padding: 6px 20px 6px 10px;
  font-family: inherit;
  cursor: pointer;
  min-width: 130px;
  box-shadow: 0 1px 3px #0002;
  transition: border 0.18s;
}
.mode-dropdown:focus {
  border-color: var(--factorio-blue);
  outline: none;
}
.factorio-button {
  background-color: var(--factorio-mid);
  border: 2px solid #555;
  color: var(--factorio-text);
  padding: 8px 12px;
  font-family: "Factorio", monospace;
  font-size: 10px;
  cursor: pointer;
  margin-right: 5px;
  margin-bottom: 5px;
  text-transform: uppercase;
  box-shadow: inset 0 0 5px rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
  transition: background-color 0.2s;
}
.factorio-button:hover {
  background-color: #505050;
}
.factorio-button:active {
  background-color: #333;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.3);
}
.factorio-button.copied {
  background: var(--factorio-green) !important;
  color: #fff !important;
  box-shadow: 0 0 15px 2px #5fcf87cc;
}
.info {
  margin-top: 12px;
  font-size: 12px;
  color: #bbb;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  width: 100%;
  text-align: center;
}
.info p {
  margin: 0;
  padding: 0;
}
.footer {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 2px solid #555;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: #777;
}
.footer a {
  color: var(--factorio-blue);
  text-decoration: none;
}
.footer a:hover {
  text-decoration: underline;
}
.icon-link {
  text-decoration: none;
  color: #696969;
}

.hidden {
  display: none;
}
.language-switcher {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 20;
  width: 170px;
}
.factorio-button language-select {
  appearance: none;
  border: 2px solid #696969;
  border-radius: 0;
  background: var(--factorio-mid);
  color: var(--factorio-yellow);
  font-size: 12px;
  padding: 0 10px;
  font-family: inherit;
  cursor: pointer;
  width: 100%;
  height: 32px;
  box-shadow: 0 0 8px #0006;
  transition: border 0.18s;
}
.factorio-button language-select:focus {
  border-color: var(--factorio-blue);
  outline: none;
}

@media (max-width: 900px) {
  .container { max-width: 99vw; }
  .factorio-frame { padding: 12px 3vw 16px 3vw; }
  .factorio-textarea, .result-box { width: 98vw; min-width: 0; max-width: 100vw; }
  .language-switcher { top: 54px; right: 14px; width: 170px; }
}
compression-link


.github-corner-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  margin: 12px 0 0 12px;
  text-decoration: none;
  background: var(--factorio-accent);
  color: #181818;
  border: 2px solid #696969;
  border-radius: 6px;
  padding: 6px 10px 6px 10px;
  font-family: "Factorio", monospace;
  font-size: 13px;
  font-weight: bold;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 0 8px #0006, 0 2px 8px #ff9d0044;
  transition: background 0.16s, color 0.16s, box-shadow 0.16s;
  outline: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.github-corner-link:hover {
  background: var(--factorio-accent-dark);
  color: #fff;
  box-shadow: 0 0 18px #ff9d0088, 0 2px 12px #000a;
  text-decoration: none;
}
.github-corner-link svg {
  display: inline;
  width: 18px;
  height: 18px;
  fill: currentColor;
  margin-right: 3px;
  margin-bottom: -2px;
}

.language-select {
    margin-right: 0;
    margin-bottom: 0;
    min-width: 180px;
    text-align: center;
    text-align-last: center;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: none;
}

.language-select option {
    text-align: center;
}

.language-select::-ms-expand {
    display: none;
}