:root {
  --bg: #f7f7f4;
  --card: #ffffff;
  --lane: #eeeeec;
  --ink: #111111;
  --muted: #6f6f6a;
  --line: #444440;
  --dash: #c7c7c1;
  --green: #2f6f1e;
  --orange: #ff9d00;
  --red: #b32828;
  --amber: #a46a00;
  --border: #deded7;
  --shadow: 0 16px 50px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 20% 0%, #ffffff 0, var(--bg) 42rem);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
}
a { color: inherit; }
.site-header {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: flex-start;
  padding: 2rem clamp(1rem, 4vw, 4rem) 1rem;
}
.site-header.compact { padding-bottom: 0; }
.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  font-size: 0.78rem;
}
h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: -0.06em;
  line-height: 0.92;
}
h2 { margin-top: 0; letter-spacing: -0.02em; }
.subtitle { max-width: 64rem; color: #333330; font-size: 1.05rem; }
main { padding: 0 clamp(1rem, 4vw, 4rem) 4rem; }
.button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: white;
  text-decoration: none;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.button.ghost {
  background: transparent;
  color: var(--ink);
}
.top-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.notice {
  max-width: 92rem;
  border: 1px solid var(--border);
  background: #fffef8;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  margin-bottom: 1rem;
}
.toolbar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: end;
  margin: 1rem 0;
}
.toolbar label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}
input, select {
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  padding: 0.65rem 0.75rem;
  background: white;
  min-width: 14rem;
}
.legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  color: #333330;
  margin: 1.2rem 0 0.8rem;
  font-weight: 700;
}
.legend span { display: inline-flex; align-items: center; gap: 0.45rem; }
.legend-shape { display: inline-flex; align-items: center; justify-content: center; }
.legend-shape.diamond { width: 16px; height: 16px; background: var(--green); transform: rotate(45deg); }
.legend-shape.bolt { color: var(--orange); font-style: normal; font-size: 1.2rem; }
.legend-line { width: 42px; height: 2px; background: var(--line); display: inline-block; position: relative; }
.legend-line:after { content: ""; position: absolute; right: -1px; top: -5px; border: 6px solid transparent; border-left-color: var(--line); }
.timeline-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.35rem;
  padding: 1rem;
  box-shadow: var(--shadow);
  overflow-x: auto;
}
.timeline { min-width: 1180px; }
.timeline-inner {
  position: relative;
  padding: 3.6rem 0 6rem 0;
}
.month-grid {
  position: absolute;
  left: 10rem;
  right: 1.5rem;
  top: 2.2rem;
  bottom: 4.6rem;
  pointer-events: none;
}
.month-line {
  position: absolute;
  top: 0;
  bottom: 0;
  border-left: 2px dashed var(--dash);
}
.callouts {
  position: relative;
  height: 3.2rem;
  margin-left: 10rem;
  margin-right: 1.5rem;
}
.callout {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  text-decoration: none;
  font-weight: 800;
  color: var(--ink);
  z-index: 4;
}
.callout b { color: var(--orange); font-size: 2rem; line-height: 1; }
.callout:hover span { text-decoration: underline; }
.lane-row {
  position: relative;
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1.5rem;
  min-height: 8.4rem;
  margin: 0.8rem 0;
}
.lane-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-weight: 900;
  font-size: 1.1rem;
  display: grid;
  place-items: center;
}
.lane-track {
  position: relative;
  background: var(--lane);
  border-radius: 0.75rem;
  min-height: 8.4rem;
  overflow: visible;
}
.timeline-item {
  position: absolute;
  text-decoration: none;
  color: var(--ink);
  z-index: 3;
}
.timeline-item.bar {
  height: 26px;
  min-width: 34px;
}
.timeline-item .bar-line {
  position: absolute;
  left: 0;
  right: 6px;
  top: 12px;
  height: 2px;
  background: var(--line);
}
.timeline-item .arrow-head {
  position: absolute;
  right: -1px;
  top: 6px;
  border: 7px solid transparent;
  border-left-color: var(--line);
}
.bar-title {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-weight: 750;
  font-size: 0.84rem;
  text-align: center;
  background: rgba(238,238,236,0.86);
  padding: 0.05rem 0.25rem;
  border-radius: 0.4rem;
}
.timeline-item.milestone {
  width: 150px;
  display: grid;
  justify-items: center;
  gap: 0.4rem;
  text-align: center;
  transform: translateX(-50%);
}
.shape.diamond {
  width: 22px;
  height: 22px;
  background: var(--green);
  transform: rotate(45deg);
  display: block;
  box-shadow: 0 2px 5px rgba(0,0,0,0.16);
}
.shape.bolt {
  color: var(--orange);
  font-size: 2rem;
  line-height: 1;
}
.item-label {
  font-weight: 750;
  font-size: 0.78rem;
  max-width: 9rem;
  background: rgba(238,238,236,0.86);
  border-radius: 0.4rem;
  padding: 0.08rem 0.22rem;
}
.timeline-item:hover .bar-title,
.timeline-item:hover .item-label,
.callout:hover span {
  outline: 2px solid var(--ink);
  background: white;
}
.axis {
  position: absolute;
  left: 10rem;
  right: 1.5rem;
  bottom: 0;
  height: 4.3rem;
  border-top: 3px solid var(--ink);
}
.axis:after {
  content: "";
  position: absolute;
  right: -8px;
  top: -10px;
  border: 10px solid transparent;
  border-left-color: var(--ink);
}
.axis-tick {
  position: absolute;
  top: -18px;
  transform: translateX(-50%);
  text-align: center;
}
.axis-tick i {
  display: block;
  height: 28px;
  border-left: 3px solid var(--ink);
  margin: 0 auto 0.4rem;
}
.axis-tick strong {
  display: block;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}
.axis-tick small { color: var(--muted); font-size: 1rem; }
.below-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(20rem, 0.7fr);
  gap: 1rem;
  margin-top: 1rem;
}
.panel,
.table-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  padding: 1rem;
  box-shadow: 0 8px 28px rgba(0,0,0,0.05);
}
#riskList { margin: 0; padding-left: 1.25rem; }
#riskList li { margin: 0.55rem 0; }
#riskList span { display: block; color: var(--muted); font-size: 0.9rem; }
.mini-card {
  display: grid;
  gap: 0.3rem;
  padding: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  text-decoration: none;
  margin-bottom: 0.5rem;
}
.mini-card span, .muted { color: var(--muted); }
.detail-grid {
  display: grid;
  grid-template-columns: 22rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  margin-top: 1rem;
}
.detail-summary { position: sticky; top: 1rem; }
dl { margin: 0 0 1rem; }
dt { color: var(--muted); font-weight: 800; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.75rem; }
dd { margin: 0.1rem 0 0; }
.detail-main { display: grid; gap: 1rem; }
.focus-panel { border-color: #b9d1b2; }
.warning-panel { border-color: #f0d49d; }
ul { padding-left: 1.2rem; }
li { margin: 0.35rem 0; }
.badge {
  display: inline-flex;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 0.22rem 0.55rem;
  font-weight: 800;
}
.badge.risk-high { border-color: #efb4b4; color: var(--red); background: #fff2f2; }
.badge.risk-medium { border-color: #f0d49d; color: var(--amber); background: #fff8eb; }
.table-card input { margin-bottom: 1rem; width: min(28rem, 100%); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 950px; }
th, td { border-bottom: 1px solid var(--border); text-align: left; padding: 0.7rem; vertical-align: top; }
th { font-size: 0.8rem; text-transform: uppercase; color: var(--muted); letter-spacing: 0.06em; }
@media (max-width: 860px) {
  .site-header, .below-grid, .detail-grid { display: block; }
  .top-actions { margin-top: 1rem; }
  .detail-summary { position: static; margin-bottom: 1rem; }
}