:root {
  color-scheme: dark;
  --bg-0: #0b0c0f;
  --bg-1: #111318;
  --bg-2: #181a21;
  --bg-3: #20242d;
  --text-1: #f0f2f6;
  --text-2: #b9c0cf;
  --text-3: #7a8497;
  --accent: #7c9aff;
  --accent-strong: #5b7fff;
  --accent-soft: #9ab1ff;
  --accent-glow: rgb(124 154 255 / 22%);
  --success: #6ee7b7;
  --warning: #facc15;
  --danger: #fb7185;
  --border: rgb(148 163 184 / 18%);
  --border-strong: rgb(148 163 184 / 32%);
  --radius: .875rem;
  --shadow: 0 1.25rem 3.125rem rgb(0 0 0 / 35%);
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  padding: 3rem 1rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgb(124 154 255 / 12%), transparent),
    radial-gradient(ellipse 60% 40% at 50% 110%, rgb(124 154 255 / 8%), transparent),
    var(--bg-0);
  color: var(--text-1);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

input, select, textarea, button, a[role="button"] { font: inherit; }

.shell { width: min(100%, 45rem); margin: 0 auto; }

.page-header { margin-bottom: 1.75rem; text-align: center; }

.page-header h1 {
  margin: 0;
  background: linear-gradient(135deg, var(--text-1), var(--accent-soft));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
}

.page-header > p:last-child { margin: .625rem 0 0; color: var(--text-2); }

.page-header .eyebrow {
  margin: 0 0 .5rem;
  color: var(--accent-soft);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.card {
  margin-block: 1.25rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-1);
  box-shadow: var(--shadow);
}

label, legend { font-weight: 650; }

input, select, textarea {
  width: 100%;
  margin-block: .35rem 1rem;
  padding: .75rem .875rem;
  border: 1px solid var(--border-strong);
  border-radius: .625rem;
  outline: none;
  background: var(--bg-2);
  color: var(--text-1);
  transition: border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}

input::placeholder, textarea::placeholder { color: var(--text-3); }
select option { background: var(--bg-2); color: var(--text-1); }

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input:disabled, select:disabled, textarea:disabled { cursor: not-allowed; opacity: .55; }

button, a[role="button"] {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: .65rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: .625rem;
  background: var(--bg-2);
  color: var(--text-1);
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

button:hover, a[role="button"]:hover { border-color: var(--accent); background: var(--bg-3); }
button:disabled { cursor: wait; opacity: .55; }

.source-tabs { margin: 0 0 1.5rem; padding: 0; border: 0; }

.source-tabs legend {
  margin-bottom: .75rem;
  color: var(--text-3);
  font-size: .75rem;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.tab-options {
  display: inline-flex;
  gap: .25rem;
  padding: .25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-2);
}

.tab-options label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .875rem;
  border-radius: 999px;
  color: var(--text-2);
  cursor: pointer;
  font-size: .9rem;
  transition: background-color .15s ease, color .15s ease;
}

.tab-options label:has(input:checked) {
  background: var(--bg-3);
  color: var(--text-1);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 6%);
}

.tab-options label:has(input:disabled) {
  cursor: not-allowed;
  opacity: .5;
}

.tab-options input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--accent); }

.help-text { margin: -.65rem 0 1.25rem; color: var(--text-3); font-size: .85rem; }

.upload-drop-zone {
  margin-block: .35rem 1rem;
  padding: 1.5rem;
  border: 2px dashed var(--border-strong);
  border-radius: .75rem;
  background: var(--bg-2);
  text-align: center;
  transition: border-color .15s ease, background-color .15s ease;
}

.upload-drop-zone.is-dragging { border-color: var(--accent); background: rgb(124 154 255 / 8%); }
.upload-drop-zone.is-disabled { opacity: .55; }
.upload-drop-zone input { margin-bottom: .4rem; }
.file-selection { margin: 0; color: var(--text-3); font-size: .85rem; }
#upload-panel > .help-text { margin-top: -.65rem; }

.option-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }

.primary-action {
  width: 100%;
  border: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 .5rem 1.375rem rgb(91 127 255 / 28%);
  color: #fff;
}

.primary-action:hover {
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-strong));
  box-shadow: 0 .75rem 1.75rem rgb(91 127 255 / 35%);
  transform: translateY(-1px);
}

.primary-action:active { transform: translateY(0); }

.primary-action:focus-visible {
  outline: 3px solid var(--text-1);
  outline-offset: 3px;
}

.status-card { border-left: .25rem solid var(--accent); }
.section-label { margin: 0; color: var(--text-3); font-size: .75rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.job-stage { margin: .3rem 0 0; color: var(--text-1); font-size: 1.15rem; font-weight: 700; }
.job-pipeline { margin-top: 1.25rem; }

.job-stepper {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.job-stepper li {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: .5rem;
  color: var(--text-3);
}

.job-stepper li:not(:last-child)::after {
  position: absolute;
  z-index: 0;
  top: .8rem;
  left: 1.7rem;
  width: calc(100% - 1.2rem);
  height: 2px;
  background: var(--border-strong);
  content: "";
}

.job-stepper li.is-complete:not(:last-child)::after { background: var(--success); }

.step-marker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  flex: 0 0 1.65rem;
  width: 1.65rem;
  height: 1.65rem;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  background: var(--bg-1);
  color: var(--text-2);
  font-size: .75rem;
  font-weight: 800;
}

.step-copy { position: relative; z-index: 1; min-width: 0; padding: 0 .25rem; background: var(--bg-1); }
.step-name, .step-status { display: block; }
.step-name { color: var(--text-2); font-size: .85rem; font-weight: 750; }
.step-status { overflow: hidden; font-size: .75rem; text-overflow: ellipsis; white-space: nowrap; }
.job-stepper li.is-current .step-marker { border-color: var(--accent); background: var(--accent); color: #fff; }
.job-stepper li.is-current .step-name { color: var(--accent-soft); }
.job-stepper li.is-complete .step-marker { border-color: var(--success); background: var(--success); color: var(--bg-0); }
.job-stepper li.is-complete .step-name { color: var(--success); }
.job-stepper li.is-failed .step-marker { border-color: var(--danger); background: var(--danger); color: var(--bg-0); }
.job-stepper li.is-failed .step-name { color: var(--danger); }
.job-stepper li.is-warning .step-marker { border-color: var(--warning); background: var(--warning); color: var(--bg-0); }
.job-stepper li.is-warning .step-name { color: var(--warning); }

.job-timing { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; color: var(--text-3); font-size: .9rem; }

#job-progress {
  width: 100%;
  height: .65rem;
  margin-top: .6rem;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  background: var(--bg-3);
}

#job-progress::-webkit-progress-bar { background: var(--bg-3); }
#job-progress::-webkit-progress-value { background: linear-gradient(90deg, var(--accent), var(--accent-soft)); }
#job-progress::-moz-progress-bar { background: linear-gradient(90deg, var(--accent), var(--accent-soft)); }

.job-log { margin-top: 1.1rem; }
.job-log ol {
  min-height: 3rem;
  margin: .5rem 0 0;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: .625rem;
  background: var(--bg-0);
  color: var(--text-2);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .82rem;
  list-style: none;
}

.job-log li + li { margin-top: .3rem; padding-top: .3rem; border-top: 1px solid var(--border); }
.warning { margin: .75rem 0 0; color: var(--warning); }

textarea {
  min-height: 18rem;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  line-height: 1.6;
}

.actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.alert {
  padding: .75rem 1rem;
  border: 1px solid rgb(251 113 133 / 30%);
  border-left: .3rem solid var(--danger);
  border-radius: .625rem;
  background: rgb(251 113 133 / 12%);
  color: var(--danger);
}

[hidden] { display: none !important; }

@media (max-width: 36rem) {
  body { padding-block: 1rem; }
  .card { padding: 1.125rem; }
  .tab-options { display: flex; width: 100%; }
  .tab-options label { flex: 1; justify-content: center; }
  .option-grid { grid-template-columns: 1fr; }
  .actions > * { width: 100%; }
  .job-stepper { grid-template-columns: 1fr; gap: .65rem; }
  .job-stepper li { align-items: center; }
  .job-stepper li:not(:last-child)::after {
    top: 1.65rem;
    left: .78rem;
    width: 2px;
    height: 1rem;
  }
  .step-name, .step-status { display: inline; }
  .step-status::before { content: " — "; }
}