:root {
  --bg: #f6f7f4;
  --surface: #ffffff;
  --surface-2: #eef2f0;
  --ink: #202426;
  --muted: #5e6668;
  --line: #d9dfdc;
  --green: #178f70;
  --blue: #315fba;
  --coral: #d65d4f;
  --gold: #b9821f;
  --violet: #7049a8;
  --shadow: 0 18px 48px rgba(23, 31, 33, 0.08);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: inherit;
}

.topbar {
  align-items: center;
  background: rgba(246, 247, 244, 0.92);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 20px;
  grid-template-columns: auto 1fr auto;
  min-height: 68px;
  padding: 12px clamp(18px, 4vw, 48px);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
}

.brand,
.nav {
  align-items: center;
  display: flex;
}

.brand {
  font-weight: 760;
  gap: 10px;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  aspect-ratio: 1;
  background:
    linear-gradient(135deg, var(--green) 0 38%, transparent 38% 100%),
    linear-gradient(45deg, transparent 0 45%, var(--blue) 45% 100%),
    var(--surface);
  border: 1px solid var(--line);
  display: block;
  width: 28px;
}

.nav {
  gap: 6px;
  justify-content: center;
}

.nav a {
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 680;
  padding: 8px 10px;
  text-decoration: none;
}

.nav a[aria-current="page"],
.nav a:hover {
  background: var(--surface);
  color: var(--ink);
}

.status-chip,
.pill {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: inline-flex;
  font-size: 12px;
  font-weight: 760;
  min-height: 30px;
  padding: 5px 10px;
  white-space: nowrap;
}

.status-chip[data-source="live"] {
  border-color: rgba(23, 143, 112, 0.32);
  color: var(--green);
}

.status-chip[data-source="fallback"] {
  border-color: rgba(184, 130, 31, 0.34);
  color: var(--gold);
}

.app-shell {
  display: grid;
  gap: 24px;
  margin: 0 auto;
  max-width: 1180px;
  padding: 28px clamp(18px, 4vw, 48px) 48px;
}

.loading-band,
.hero-band,
.section-band,
.profile-band {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 24px;
  padding: 24px 0;
}

.hero-band {
  align-items: end;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
}

.profile-band {
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
}

.eyebrow {
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 8px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(34px, 6vw, 70px);
  letter-spacing: 0;
  line-height: 0.96;
  margin-bottom: 18px;
  max-width: 900px;
}

h2 {
  font-size: 24px;
  letter-spacing: 0;
  line-height: 1.12;
  margin-bottom: 14px;
}

h3 {
  font-size: 15px;
  letter-spacing: 0;
  line-height: 1.25;
  margin-bottom: 8px;
}

.lede {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
  max-width: 680px;
}

.meta-row,
.action-row,
.kpi-grid,
.leaderboard-head,
.section-head {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.section-head {
  justify-content: space-between;
}

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

.panel,
.kpi,
.notice,
.profile-form,
.profile-preview {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 20px;
}

.kpi {
  min-height: 116px;
  padding: 16px;
}

.kpi .label {
  color: var(--muted);
  display: block;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.kpi strong {
  display: block;
  font-size: 30px;
  letter-spacing: 0;
  line-height: 1;
}

.kpi .sub {
  color: var(--muted);
  display: block;
  font-size: 13px;
  margin-top: 8px;
}

.brief-strip {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 20px;
}

.brief-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
}

.prompt-panel {
  align-content: start;
  display: grid;
  gap: 14px;
}

.note-list {
  color: var(--muted);
  display: grid;
  gap: 12px;
  line-height: 1.45;
  margin: 0;
  padding-left: 18px;
}

.milestone-grid {
  display: grid;
  gap: 0;
  margin-top: 8px;
}

.milestone {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  padding: 16px 0;
}

.milestone:first-child {
  border-top: 0;
}

.milestone-head {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.milestone-head strong {
  font-size: 15px;
}

.milestone-head span,
.milestone p {
  color: var(--muted);
  font-size: 13px;
}

.milestone p {
  margin-bottom: 0;
}

.rhythm-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.rhythm-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 144px;
  padding: 16px;
}

.rhythm-item span {
  color: var(--blue);
  display: block;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 10px;
}

.rhythm-item strong {
  display: block;
  font-size: 15px;
  margin-bottom: 10px;
}

.rhythm-item p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  margin-bottom: 0;
}

.leaderboard-panel {
  overflow: hidden;
  padding: 0;
}

.leaderboard-head {
  border-bottom: 1px solid var(--line);
  justify-content: space-between;
  padding: 18px 20px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 760px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 14px 18px;
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

td {
  font-size: 14px;
}

tr:last-child td {
  border-bottom: 0;
}

.rank-cell {
  color: var(--blue);
  font-weight: 840;
}

.handle-link {
  color: var(--ink);
  font-weight: 760;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
}

.meter {
  appearance: none;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  display: block;
  height: 10px;
  min-width: 120px;
  overflow: hidden;
  width: 100%;
}

.meter::-webkit-meter-bar {
  background: var(--surface-2);
  border: 0;
  border-radius: 999px;
}

.meter::-webkit-meter-optimum-value {
  background: var(--meter-fill, var(--green));
  border-radius: 999px;
}

.meter::-moz-meter-bar {
  background: var(--meter-fill, var(--green));
  border-radius: 999px;
}

.meter-green {
  --meter-fill: var(--green);
}

.meter-blue {
  --meter-fill: var(--blue);
}

.meter-gold {
  --meter-fill: var(--gold);
}

.meter-coral {
  --meter-fill: var(--coral);
}

.meter-violet {
  --meter-fill: var(--violet);
}

.chart-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
}

.histogram-list {
  display: grid;
  gap: 12px;
  padding-top: 8px;
}

.histogram-row {
  align-items: center;
  display: grid;
  gap: 12px;
  grid-template-columns: 56px minmax(0, 1fr) 48px;
}

.histogram-row strong {
  font-size: 12px;
}

.histogram-row span,
.outcome-row span {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.outcomes {
  display: grid;
  gap: 12px;
}

.outcome-row {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr auto;
}

.outcome-row .meter {
  grid-column: 1 / -1;
  min-width: 0;
}

.notice {
  border-left: 5px solid var(--coral);
  box-shadow: none;
  color: var(--muted);
  padding: 16px;
}

.flow-list {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.flow-list li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 130px;
  padding: 16px;
}

.flow-list strong {
  display: block;
  font-size: 15px;
  margin-bottom: 10px;
}

.flow-list span {
  color: var(--muted);
  display: block;
  font-size: 13px;
  line-height: 1.45;
}

.profile-form,
.profile-preview {
  padding: 20px;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 13px;
  font-weight: 760;
  gap: 8px;
  margin-bottom: 14px;
}

input,
textarea {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font: inherit;
  min-height: 44px;
  padding: 10px 12px;
  width: 100%;
}

textarea {
  min-height: 112px;
  resize: vertical;
}

button,
.button {
  align-items: center;
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 6px;
  color: #ffffff;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: 14px;
  font-weight: 760;
  min-height: 42px;
  padding: 10px 14px;
  text-decoration: none;
}

button.secondary,
.button.secondary {
  background: var(--surface);
  color: var(--ink);
}

button.danger {
  background: var(--coral);
  border-color: var(--coral);
}

.result {
  color: var(--muted);
  font-size: 14px;
  margin-top: 14px;
  min-height: 22px;
}

.profile-stat-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.profile-stat {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.profile-stat span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  font-weight: 780;
  text-transform: uppercase;
}

.profile-stat strong {
  display: block;
  font-size: 22px;
  margin-top: 8px;
}

.about-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.empty {
  color: var(--muted);
  padding: 28px;
  text-align: center;
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .nav {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .hero-band,
  .profile-band,
  .chart-grid,
  .brief-strip,
  .brief-grid,
  .kpi-grid,
  .flow-list,
  .rhythm-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .brief-strip {
    align-items: start;
  }
}

@media (max-width: 560px) {
  .app-shell {
    padding-inline: 14px;
  }

  h1 {
    font-size: 36px;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .profile-stat-grid {
    grid-template-columns: 1fr;
  }
}