:root {
  --bg: #0E0E0E;
  --panel: #1A1A1A;
  --line: #2A2A2A;
  --text: #F0F0F0;
  --dim: #9A9A9A;
  --dimmer: #666666;
  --accent: #D7E299;
  --warn: #FFB454;
  --error: #E04A4A;

  --font-default: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-default);
  font-size: 14px;
  line-height: 1.5;
  padding: 36px 40px;
}

@media (max-width: 767px) {
  body { padding: 24px 20px; }
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Header */
.yf-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin-bottom: 36px;
}
.logo { height: 48px; width: auto; }
.title-block h1 { font-size: 32px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.15; }
.title-block .subtitle { color: var(--dim); font-size: 11px; margin-top: 4px; }

@media (max-width: 767px) {
  .logo { height: 36px; }
  .title-block h1 { font-size: 26px; }
  .title-block .subtitle { display: none; }
}
.meta { text-align: right; }
.meta-label { color: var(--dim); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; display: block; }
.meta-value { color: var(--text); font-size: 14px; margin-top: 2px; display: inline-block; }
.stale-badge { background: var(--warn); color: var(--bg); font-size: 8px; padding: 2px 6px; border-radius: 3px; margin-left: 6px; font-weight: 600; letter-spacing: 0.06em; }

.banner {
  background: var(--error); color: var(--text);
  padding: 10px 16px; border-radius: 4px;
  margin-bottom: 16px; font-size: 12px;
}

/* Section label */
.section-label {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
}
.section-meta { color: var(--dim); }

.tier-block { margin-bottom: 36px; }

/* Tier-1 grid */
.tier-1-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .tier-1-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

@media (min-width: 1024px) {
  .tier-1-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
}

/* Tier-2 grid */
.tier-2-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .tier-2-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}

@media (min-width: 1024px) {
  .tier-2-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
}

/* Agent card — Tier 1 */
.agent-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  transition: transform 200ms ease;
}

@media (max-width: 767px) {
  .agent-card { padding: 16px; }
}
.agent-card:hover { transform: translateY(-2px); }
.agent-card .portrait {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 10px;
  background: var(--line);
}
.agent-card .name { font-size: 22px; font-weight: 500; }
.agent-card .role { color: var(--dim); font-size: 13px; margin-top: 2px; margin-bottom: 8px; }
.agent-card .domain { color: var(--dimmer); font-size: 12px; margin-bottom: 10px; }

@media (max-width: 767px) {
  .agent-card .name { font-size: 20px; }
}
.agent-card .metric { display: flex; justify-content: space-between; padding: 4px 0; border-top: 0.3px solid var(--line); }
.agent-card .metric:first-of-type { border-top: none; }
.agent-card .metric .label { color: var(--dim); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; }
.agent-card .metric .value { font-size: 14px; color: var(--text); }

/* Tier-2 compact */
.agent-card.tier-2 { padding: 10px; }
.agent-card.tier-2 .card-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}
.agent-card.tier-2 .portrait-small {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--line);
}
.agent-card.tier-2 .letter-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 28px;
}
.agent-card.tier-2 .name { font-size: 13px; font-weight: 500; }
.agent-card.tier-2 .role { font-size: 8px; color: var(--dim); margin-top: 2px; }
.agent-card.tier-2 .planned-badge {
  background: var(--warn); color: var(--bg);
  font-size: 7px; padding: 2px 5px; border-radius: 2px;
  letter-spacing: 0.06em; font-weight: 600;
  display: inline-block; margin-left: 4px; vertical-align: middle;
}
.agent-card.tier-2 .metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: 8.5px;
}
.agent-card.tier-2 .metrics-row .label { color: var(--dim); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; }
.agent-card.tier-2 .metrics-row .value { color: var(--text); font-size: 14px; }

/* Status dot */
.status-dot {
  font-size: 14px;
  line-height: 1;
}
.status-ok { color: var(--accent); }
.status-warn { color: var(--warn); }
.status-down { color: var(--error); }

/* Pipeline + Cost */
.pipeline-bar, .cost-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.metrics-row-wide {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cost-block .metrics-row-wide { grid-template-columns: repeat(3, 1fr); }
.metrics-row-wide .metric { display: flex; flex-direction: column; gap: 6px; }
.metrics-row-wide .label { color: var(--dim); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; }
.metrics-row-wide .value { font-size: 14px; color: var(--text); }
.metrics-row-wide .value.large { font-size: 48px; }

@media (max-width: 767px) {
  .metrics-row-wide .value.large { font-size: 36px; }
}

.progress { width: 100%; height: 8px; background: var(--line); border-radius: 4px; margin-top: 4px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); transition: width 400ms ease; }

/* Footer */
.yf-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
  text-align: center;
  color: var(--dim);
  font-size: 13px;
  margin-top: 32px;
  letter-spacing: 0.02em;
}

@media (max-width: 767px) {
  .yf-footer { font-size: 12px; padding: 24px 0; }
}

/* Value-change flash */
.flash { animation: flash 600ms ease; }
@keyframes flash {
  0% { background-color: rgba(149, 201, 61, 0.3); }
  100% { background-color: transparent; }
}