:root {
  --paper: #f7f3ec;
  --ink: #141414;
  --ink-dim: #8a8478;
  --line: #d9d2c4;
  --accent: #c1552f;
  --accent-ink: #f7f3ec;
  --error: #a33;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 16px 16px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

.dim {
  color: var(--ink-dim);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.brand-mark {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--accent);
  flex-shrink: 0;
}

.head h1 {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  margin: 0;
}

.tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--paper);
}

.tab {
  flex: 1;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  background: transparent;
  border: none;
  color: var(--ink-dim);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.tab + .tab {
  border-left: 1px solid var(--line);
}

.tab:hover:not(.is-active) {
  background: #f1e9dc;
  color: var(--ink);
}

.tab.is-active {
  background: var(--ink);
  color: var(--paper);
}

main {
  margin-top: 32px;
}

.panel {
  display: none;
}

.panel.is-active {
  display: block;
  animation: panel-in 0.25s ease;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: translateY(0); }
}

.desc {
  font-size: 12px;
  color: var(--ink-dim);
  margin: 0 0 20px;
  line-height: 1.5;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-pair {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 12px;
}

.form-pair .drop {
  flex: 1;
  min-width: 140px;
}

.form-pair .run-btn {
  flex-basis: 100%;
}

.drop {
  position: relative;
  border: 1px dashed var(--line);
  border-radius: 2px;
  padding: 28px 12px;
  text-align: center;
  cursor: pointer;
  background: var(--paper);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.drop:hover,
.drop.is-drag {
  border-color: var(--accent);
  background: #f1e9dc;
}

.drop.has-file {
  border-style: solid;
  border-color: var(--ink);
}

.drop input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.drop-clear {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 18px;
  height: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  font-size: 12px;
  cursor: pointer;
  z-index: 2;
}

.drop-clear:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.drop-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.drop-label.is-hidden {
  opacity: 0;
}

.drop-title {
  font-size: 12px;
  text-transform: lowercase;
  color: var(--ink);
}

.drop-hint {
  font-size: 10px;
  color: var(--ink-dim);
}

.drop-filename {
  font-size: 10px;
  color: var(--ink-dim);
}

.drop-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1px;
}

.run-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}

.run-btn-cost {
  color: var(--paper);
  opacity: 0.6;
}

.run-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.run-btn:active {
  transform: translateY(1px);
}

.run-btn:disabled {
  background: var(--line);
  border-color: var(--line);
  color: var(--ink-dim);
  cursor: not-allowed;
  transform: none;
}

.run-btn:disabled .run-btn-cost {
  color: var(--ink-dim);
}

.status {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  text-transform: lowercase;
  color: var(--ink-dim);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.2s ease-in-out infinite;
  flex-shrink: 0;
}

.status-bar {
  height: 2px;
  background: var(--line);
  border-radius: 1px;
  overflow: hidden;
}

.status-bar-fill {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.4s ease;
}

.status.is-error .status-dot {
  background: var(--error);
  animation: none;
}

.status.is-error .status-text {
  color: var(--error);
}

.status.is-error .status-bar-fill {
  background: var(--error);
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.result {
  position: relative;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 8px;
  background: repeating-conic-gradient(#efe9db 0% 25%, var(--paper) 0% 50%) 0 0 / 16px 16px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.result.is-in {
  opacity: 1;
  transform: translateY(0);
}

.result--cycle {
  background: repeating-linear-gradient(
    90deg,
    #141414 0%, #141414 25%,
    #ffffff 25%, #ffffff 50%,
    #e8dcc3 50%, #e8dcc3 75%,
    #6f8c5a 75%, #6f8c5a 100%
  );
  background-size: 400% 100%;
  animation: bg-slide 16s linear infinite;
}

@keyframes bg-slide {
  from { background-position: 0% 0; }
  to { background-position: -400% 0; }
}

.result-label {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  font-size: 10px;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  color: var(--paper);
  background: rgba(20, 20, 20, 0.65);
  padding: 3px 6px;
  border-radius: 2px;
}

.result-image,
.result-video {
  display: block;
  width: 100%;
  border-radius: 1px;
}

.foot {
  margin-top: 56px;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--ink-dim);
  text-transform: lowercase;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

@media (max-width: 420px) {
  .form-pair {
    flex-direction: column;
  }
}