:root {
  --bg: #f3efe7;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: #ffffff;
  --ink: #1f1a17;
  --muted: #6a625b;
  --line: rgba(51, 35, 21, 0.12);
  --brand: #b6461f;
  --brand-deep: #7f2d15;
  --accent: #0f6a62;
  --danger: #a12323;
  --ok: #0f5b3c;
  --shadow: 0 24px 80px rgba(69, 41, 12, 0.12);
  --radius: 22px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(182, 70, 31, 0.14), transparent 28%),
    radial-gradient(circle at right 20%, rgba(15, 106, 98, 0.12), transparent 24%),
    linear-gradient(180deg, #f7f3ec 0%, #efe7dc 100%);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

.shell { max-width: 1580px; margin: 0 auto; padding: 28px; }
.hero {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 20px;
  padding: 30px;
  border-radius: 32px;
  background: linear-gradient(135deg, #24140f 0%, #4f2217 52%, #274842 100%);
  color: #fff4ea;
  box-shadow: var(--shadow);
}
.eyebrow, .section-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 244, 234, 0.68);
}
.hero h1, .panel h2 { margin: 0; }
.hero h1 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.04; max-width: 14ch; }
.lede { max-width: 62ch; line-height: 1.6; color: rgba(255, 244, 234, 0.84); }
.hero-stats { display: grid; gap: 12px; align-content: start; }
.stat {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.stat-label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(255, 244, 234, 0.66); }
.stat strong { display: block; margin-top: 10px; font-size: 1.1rem; }

.flash {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.75);
}
.flash-error { color: var(--danger); border-color: rgba(161, 35, 35, 0.2); }
.flash-ok { color: var(--ok); border-color: rgba(15, 91, 60, 0.2); }

.package-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}
.package-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 136px;
  padding: 18px;
  border-radius: 24px;
  color: inherit;
  text-decoration: none;
  background: rgba(255,255,255,0.68);
  border: 1px solid rgba(51, 35, 21, 0.08);
  backdrop-filter: blur(12px);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.package-card:hover, .package-card.active {
  transform: translateY(-2px);
  border-color: rgba(182, 70, 31, 0.35);
  background: #fffdf8;
}
.package-name { font-size: 1.05rem; font-weight: 700; }
.package-desc { color: var(--muted); line-height: 1.5; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(360px, 0.9fr);
  gap: 20px;
  margin-top: 20px;
}
.panel {
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid rgba(51, 35, 21, 0.08);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.panel-editor { padding: 26px; }
.rail { display: grid; gap: 18px; align-content: start; }
.rail .panel { padding: 22px; }
.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  align-items: start;
}
.section-sub { margin: 8px 0 0; color: var(--muted); max-width: 66ch; }
.request-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
}

.editor-form { display: grid; gap: 22px; }
.editor-section {
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(51, 35, 21, 0.06);
}
.section-title h3 { margin: 0; font-size: 1.1rem; }
.section-title p { margin: 6px 0 18px; color: var(--muted); }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.form-grid.compact { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.field { display: grid; gap: 8px; }
.field span { font-size: 0.92rem; font-weight: 700; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid rgba(51, 35, 21, 0.14);
  background: rgba(255,255,255,0.92);
  border-radius: 16px;
  padding: 13px 14px;
  font: inherit;
  color: inherit;
}
.field textarea { min-height: 120px; resize: vertical; }
.field-wide { grid-column: 1 / -1; }
.muted { color: var(--muted); line-height: 1.5; }
code { font-family: "SFMono-Regular", Consolas, monospace; }

.special-block {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(51, 35, 21, 0.08);
}
.coauthor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.coauthor-grid .full { grid-column: 1 / -1; }
.inline-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.tracks-builder { display: grid; gap: 12px; }
.tracks-head, .track-row {
  display: grid;
  grid-template-columns: 1.3fr repeat(4, 1fr) 0.7fr 0.7fr 52px;
  gap: 8px;
}
.tracks-head {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.track-row input {
  width: 100%;
  border: 1px solid rgba(51, 35, 21, 0.14);
  background: rgba(255,255,255,0.92);
  border-radius: 14px;
  padding: 12px;
  font: inherit;
}
.track-remove {
  border: 0;
  border-radius: 14px;
  background: #fde5e2;
  color: var(--danger);
  font-size: 1.2rem;
  cursor: pointer;
}

.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-secondary { background: var(--accent); color: #fff; }
.btn-ghost { background: #f4e5dc; color: var(--brand-deep); }
.btn-danger { background: #fee2e2; color: var(--danger); }

.doc-list, .history-list, .stack-list, .custom-list { display: grid; gap: 12px; }
.doc-item, .history-item, .mini-row, .custom-item {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid rgba(51, 35, 21, 0.08);
}
.history-item {
  text-decoration: none;
  color: inherit;
}
.history-item.active { border-color: rgba(182, 70, 31, 0.28); }
.history-item em, .doc-item span, .custom-item span, .mini-row span {
  color: var(--muted);
  font-style: normal;
}
.custom-item {
  grid-template-columns: 1fr auto;
  align-items: center;
}
.custom-form { display: grid; gap: 12px; margin-bottom: 14px; }

@media (max-width: 1180px) {
  .hero, .layout, .package-strip, .form-grid.compact { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .shell { padding: 18px; }
  .panel-editor, .rail .panel, .hero { padding: 20px; }
  .form-grid, .coauthor-grid, .inline-pair, .tracks-head, .track-row { grid-template-columns: 1fr; }
  .tracks-head { display: none; }
}