/* Terminal look borrowed from LCAutoSheetTS. */
@font-face {
  font-family: '3270';
  src: url('font/3270SemiCondensed-Regular.ttf');
  font-weight: normal;
  font-style: normal;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --green: #33ff33;
  --green-text: #29cc29;
  --green-dim: #1a8c1a;
  --green-glow: #33ff3388;
  --bg: #06160688;
  --scanline-opacity: 0.22;
}

html, body {
  height: 100%;
  background: #000;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: '3270', 'Courier New', monospace;
  font-size: 17px;
  color: var(--green);
  overflow: hidden;
  background: #111 url('bg.png') center/cover no-repeat;
}

.img-overlay {
  background-color: #000000ef;
  position: absolute;
  inset: 0;
}

.crt-screen {
  position: relative;
  width: 90vw;
  height: 90vh;
  background: var(--bg);
  border-radius: 12px;
  overflow: hidden;
  filter: brightness(1.1) contrast(1.1);
  box-shadow:
    0 0 0 2px #111,
    0 0 0 4px #222,
    0 0 60px 10px #33ff3304,
    0 0 120px 30px #33ff3304;
  animation: flicker 10s infinite;
}

.crt-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 4px
  );
}

.crt-screen::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0, 0, 0, 0.5) 100%);
}

.crt-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 24px 28px;
}

.glow {
  text-shadow:
    0 0 4px var(--green),
    0 0 12px var(--green-glow),
    0 0 24px var(--green-glow);
}

.tab-input {
  display: none;
}

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  flex-shrink: 0;
  border-bottom: 1px solid var(--green-dim);
  margin-bottom: 20px;
}

.tab-label {
  padding: 6px 20px;
  cursor: pointer;
  color: var(--green-dim);
  font-size: 16px;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
  border-bottom: none;
  position: relative;
  bottom: -1px;
  transition: color 0.75s;
  user-select: none;
}

.tab-label:hover {
  color: var(--green);
}

#tab-search:checked ~ .tab-nav .tab-label[for="tab-search"],
#tab-results:checked ~ .tab-nav .tab-label[for="tab-results"],
#tab-credits:checked ~ .tab-nav .tab-label[for="tab-credits"] {
  color: var(--green);
  border-color: var(--green-dim);
  background: var(--bg);
  text-shadow: 0 0 4px var(--green), 0 0 10px var(--green-glow);
}

.tab-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tab-panel {
  display: none;
  flex: 1;
  overflow-y: auto;
  line-height: 1.7;
  scrollbar-width: thin;
  scrollbar-color: var(--green-dim) transparent;
  padding-right: 8px;
}

#tab-search:checked ~ .tab-content #panel-search,
#tab-results:checked ~ .tab-content #panel-results,
#tab-credits:checked ~ .tab-content #panel-credits {
  display: block;
}

.panel-title {
  font-size: 20px;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

h2 {
  font-size: 18px;
  font-weight: normal;
  margin-bottom: 4px;
}

p {
  color: var(--green-text);
}

small {
  color: var(--green-dim);
}

.columns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0;
}

.info-box {
  flex: 1 1 300px;
  background: #00000040;
  border: 1px solid var(--green-dim);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

.columns .info-box {
  margin-bottom: 0;
}

.box-title {
  font-size: 18px;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.list label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  color: var(--green-text);
}

select, button {
  font-family: '3270', 'Courier New', monospace;
  font-size: 16px;
  background: #00000080;
  color: var(--green);
  border: 1px solid var(--green-dim);
  border-radius: 6px;
  padding: 2px 8px;
  cursor: pointer;
}

select:focus-visible, button:focus-visible {
  outline: 1px solid var(--green);
}

/* Highlight conditions that are set. */
select:has(option:checked:not([value="100"]):not([value=""])) {
  border-color: var(--green);
  box-shadow: 0 0 6px var(--green-glow);
}

option {
  background: #061606;
}

button {
  padding: 4px 16px;
  margin-left: 8px;
}

button:hover:not(:disabled) {
  border-color: var(--green);
  text-shadow: 0 0 4px var(--green), 0 0 10px var(--green-glow);
}

button:disabled {
  color: var(--green-dim);
  cursor: default;
}

.search-box {
  margin-top: 16px;
}

.search-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  margin-bottom: 12px;
}

.search-box p {
  margin-top: 4px;
}

progress {
  width: 100%;
  height: 14px;
  appearance: none;
  border: 1px solid var(--green-dim);
  border-radius: 4px;
  background: #00000080;
  overflow: hidden;
}

progress::-webkit-progress-bar {
  background: transparent;
}

progress::-webkit-progress-value {
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
}

progress::-moz-progress-bar {
  background: var(--green);
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  border-bottom: 1px solid var(--green-dim);
  padding: 4px 8px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--green);
}

td {
  color: var(--green-text);
}

.seed-cell {
  white-space: nowrap;
}

.dl-btn {
  margin-left: 8px;
  padding: 0 6px;
  line-height: 1;
  vertical-align: middle;
}

.dl-btn svg {
  display: block;
}

code {
  font-family: inherit;
  color: var(--green);
}

.cursor-bar {
  flex-shrink: 0;
  padding-top: 12px;
  border-top: 1px solid var(--green-dim);
  margin-top: 12px;
}

.cursor::after {
  content: '█';
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  59%, 61% { opacity: 1; }
  60% { opacity: 0.93; }
  64%, 66% { opacity: 1; }
  65% { opacity: 0.93; }
}

@media (max-width: 600px) {
  .crt-screen {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
  }

  .crt-content {
    padding: 16px;
  }
}