:root {
  --ink: #1f1712;
  --muted: #6f5b4e;
  --paper: #fbf3e7;
  --panel: rgba(255, 252, 245, 0.86);
  --line: rgba(64, 43, 31, 0.18);
  --accent: #d84b1f;
  --accent-2: #0c6b5f;
  --shadow: 0 22px 80px rgba(57, 31, 18, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at 18% 12%, rgba(216, 75, 31, 0.18), transparent 26rem),
    radial-gradient(circle at 88% 8%, rgba(12, 107, 95, 0.16), transparent 24rem),
    linear-gradient(135deg, #fbf3e7 0%, #f6e1c4 46%, #eecfa8 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(31, 23, 18, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 23, 18, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}

.shell {
  width: min(1320px, calc(100% - 36px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  max-width: 880px;
  margin-bottom: 30px;
}

.eyebrow,
.kicker {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--accent-2);
  font-weight: 800;
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.045em;
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 6.5rem);
  line-height: 0.9;
  max-width: 920px;
}

h2 {
  font-size: 1.55rem;
}

.subhead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 680px;
  line-height: 1.65;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 18px;
  align-items: stretch;
}

.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 30px;
  padding: 24px;
  backdrop-filter: blur(18px);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 16px;
  background: #fff8ed;
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

button:hover {
  transform: translateY(-1px);
}

.primary {
  width: 100%;
  margin-top: 18px;
  padding: 16px;
  background: var(--ink);
  color: #fff8ed;
  border-color: var(--ink);
  font-size: 1rem;
}

.primary:disabled {
  cursor: wait;
  opacity: 0.55;
}

textarea {
  width: 100%;
  min-height: 420px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px;
  background: rgba(255, 252, 246, 0.72);
  color: var(--ink);
  font: 0.98rem/1.55 "Avenir Next", "Gill Sans", sans-serif;
  outline: none;
}

textarea:focus,
input:focus {
  border-color: rgba(216, 75, 31, 0.65);
  box-shadow: 0 0 0 4px rgba(216, 75, 31, 0.12);
}

.controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.advanced {
  margin-top: 14px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 10px 14px;
}

.advanced summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.advanced-body {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.advanced-body .file-field input[type="file"],
.advanced-body .text-field textarea {
  margin-top: 6px;
  width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 0.85rem;
}

.advanced-body .text-field textarea {
  min-height: 80px;
  resize: vertical;
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 8px 10px;
}

.ref-preview {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ref-preview img {
  max-width: 120px;
  max-height: 120px;
  border-radius: 6px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.ref-meta {
  font-size: 0.78rem;
  color: var(--muted);
}

.ref-meta.error {
  color: #ff8484;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 800;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 13px;
  background: rgba(255, 252, 246, 0.78);
  color: var(--ink);
  font: 1rem "Avenir Next", sans-serif;
  outline: none;
}

.pill {
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 900;
  font-size: 0.78rem;
  border: 1px solid var(--line);
}

.idle {
  background: #fff8ed;
}

.running {
  background: #ffe1cc;
  color: #8f310f;
}

.completed {
  background: #d7f1e8;
  color: #0c5b50;
}

.failed {
  background: #f9d5d0;
  color: #8d1f14;
}

.metric-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.metric-row div {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 14px;
  background: rgba(255, 248, 237, 0.7);
}

.metric-row span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.metric-row strong {
  display: block;
  margin-top: 8px;
  font-size: 1.05rem;
  word-break: break-word;
}

.log {
  min-height: 330px;
  max-height: 500px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 14px;
  background: #241912;
  color: #fce6cb;
  font: 0.9rem/1.55 "Menlo", "Consolas", monospace;
}

.log-line {
  margin-bottom: 8px;
}

.output {
  margin-top: 18px;
}

.markdown-preview {
  margin: 0;
  min-height: 420px;
  max-height: 760px;
  overflow: auto;
  border-radius: 24px;
  padding: 22px;
  background: #fffaf2;
  border: 1px solid var(--line);
  white-space: pre-wrap;
  font: 0.94rem/1.65 "Menlo", "Consolas", monospace;
}

.file-links {
  color: var(--muted);
  font-size: 0.88rem;
  text-align: right;
}

@media (max-width: 920px) {
  .workspace,
  .controls {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100% - 22px, 1320px);
    padding: 28px 0;
  }

  .panel {
    border-radius: 24px;
    padding: 18px;
  }
}