* { margin: 0; padding: 0; box-sizing: border-box; }
 body { font-family: system-ui, -apple-system, sans-serif; background: var(--c-bg); color: var(--c-text); min-height: 100vh; padding-bottom: 56px; }

 .page-wrap { padding-top: calc(56px + 40px + 24px); padding-bottom: calc(48px + 56px); max-width: 800px; margin: 0 auto; padding-left: 24px; padding-right: 24px; opacity: 0; animation: fadeIn 1s ease forwards; animation-delay: 0.2s; }

.header { margin-bottom: 32px; }
.header h1 { font-size: 1.5rem; font-weight:400; letter-spacing: 0.08em; margin-bottom: 4px; }
.header .ts { font-size: 0.75rem; color: var(--c-text-secondary); }

.period-tabs { display: flex; gap: 0; margin-bottom: 32px; border-bottom: 1px solid var(--c-border); }
.period-tab { font-size: 0.85rem; font-weight:400; letter-spacing: 0.04em; color: var(--c-text-secondary); background: none; border: none; cursor: pointer; padding: 10px 20px; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s; }
.period-tab:hover { color: var(--c-text-secondary); }
.period-tab.active { color: var(--c-text); border-bottom-color: var(--c-text); }

.section { margin-bottom: 32px; }
.section-title { font-size: 0.7rem; font-weight: 400; letter-spacing: 0.2em; color: var(--c-text-secondary); text-transform: uppercase; margin-bottom: 12px; }

.overview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.overview-card { background: var(--c-bg-card); border: 1px solid var(--c-border); border-radius: 16px; padding: 20px; transition: border-color 0.2s; }
.overview-card:hover { border-color: var(--c-border-hover); }
.overview-card .label { font-size: 0.75rem; font-weight: 400; color: var(--c-text-secondary); letter-spacing: 0.04em; margin-bottom: 8px; }
.overview-card .value { font-size: 1.5rem; font-weight:400; color: var(--c-text); letter-spacing: 0.02em; }
.overview-card .sub { font-size: 0.7rem; font-weight:400; color: var(--c-text-secondary); margin-top: 4px; }

.cache-bar-wrap { display: flex; align-items: center; gap: 10px; margin-top: 6px; }
.cache-bar { flex: 1; height: 6px; background: var(--c-border); border-radius: 3px; overflow: hidden; }
.cache-bar-fill { height: 100%; border-radius: 3px; transition: width 0.5s ease; }

.chart-row { display: flex; align-items: center; padding: 8px 0; gap: 12px; }
.chart-label { font-size: 0.8rem; font-weight: 400; color: var(--c-text-secondary); min-width: 80px; text-align: right; flex-shrink: 0; }
.chart-bar-wrap { flex: 1; height: 20px; background: var(--c-border); border-radius: 4px; overflow: hidden; position: relative; }
.chart-bar { height: 100%; border-radius: 4px; transition: width 0.5s ease; background: linear-gradient(90deg, var(--c-border), var(--c-success)); }
.chart-value { font-size: 0.8rem; font-weight:400; color: var(--c-text); min-width: 60px; text-align: left; flex-shrink: 0; }

.price-time-label { font-size: 0.65rem; font-weight: 400; letter-spacing: 0.15em; color: var(--c-text-secondary); text-transform: uppercase; margin: 2px 0 4px; }
.price-time-svg { width: 100%; height: 92px; background: var(--c-bg-card); border: 1px solid var(--c-border); border-radius: 6px; display: block; }

.section-title-row { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.section-title-row .section-title { margin-bottom: 0; }

.info-btn { width: 16px; height: 16px; border-radius: 50%; border: 1px solid #777; background: transparent; color: #888; font-size: 0.6rem; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; position: relative; flex-shrink: 0; transition: border-color 0.2s, color 0.2s; font-family: system-ui, sans-serif; line-height: 1; }
.info-btn:hover { border-color: #888; color: var(--c-text-secondary); }
.info-btn .tooltip { display: none; position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%); background: var(--c-border); border: 1px solid var(--c-border-hover); border-radius: 8px; padding: 14px 16px; font-size: 0.75rem; color: var(--c-text-secondary); line-height: 1.6; width: 280px; z-index: 200; box-shadow: 0 4px 16px rgba(0,0,0,0.4); text-align: left; font-weight: 400; letter-spacing: 0; text-transform: none; pointer-events: none; }
.info-btn:hover .tooltip { display: block; }
.info-btn .tooltip strong { color: var(--c-text); font-weight: 400; }
.info-btn .tooltip .metric { margin-bottom: 6px; }
.info-btn .tooltip .metric:last-child { margin-bottom: 0; }

.activity-row { display: flex; align-items: center; padding: 6px 0; gap: 12px; }
.activity-label { font-size: 0.8rem; font-weight: 400; color: var(--c-text-secondary); min-width: 100px; text-align: right; flex-shrink: 0; }
.activity-bar-wrap { flex: 1; height: 16px; background: var(--c-border); border-radius: 4px; overflow: hidden; position: relative; }
.activity-bar { height: 100%; border-radius: 4px; transition: width 0.5s ease; background: linear-gradient(90deg, var(--c-border) 0%, #818cf8 100%); }
.activity-bar-inner { display: flex; align-items: center; height: 100%; padding: 0 8px; font-size: 0.65rem; font-weight: 400; color: rgba(255,255,255,0.75); letter-spacing: 0.02em; white-space: nowrap; }
.activity-value { font-size: 0.8rem; font-weight:400; color: var(--c-text); min-width: 50px; text-align: left; flex-shrink: 0; }
.activity-badge-slot { min-width: 82px; flex-shrink: 0; }
.one-shot-badge { font-size: 0.6rem; font-weight: 400; letter-spacing: 0.1em; padding: 2px 8px; border-radius: 999px; background: rgba(74,222,128,0.08); border: 1px solid rgba(74,222,128,0.15); color: var(--c-success); }

.tool-row { display: flex; align-items: center; padding: 6px 0; gap: 10px; }
.tool-rank { font-size: 0.65rem; font-weight: 400; color: #777; min-width: 18px; text-align: right; flex-shrink: 0; font-variant-numeric: tabular-nums; }
.tool-name { font-size: 0.8rem; font-weight: 400; color: var(--c-text-secondary); min-width: 110px; flex-shrink: 0; transition: color 0.2s; }
.tool-row:hover .tool-name { color: var(--c-text); }
.tool-bar-wrap { flex: 1; height: 22px; background: var(--c-bg-card); border-radius: 6px; overflow: hidden; position: relative; border: 1px solid var(--c-border); transition: border-color 0.2s; }
.tool-row:hover .tool-bar-wrap { border-color: var(--c-border-hover); }
.tool-bar { height: 100%; border-radius: 5px; transition: width 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); position: relative; }
.tool-bar-inner { display: flex; align-items: center; height: 100%; padding: 0 8px; font-size: 0.65rem; font-weight: 400; color: rgba(255,255,255,0.75); letter-spacing: 0.02em; white-space: nowrap; }
.tool-count { font-size: 0.75rem; font-weight:400; color: var(--c-text-secondary); min-width: 44px; text-align: right; flex-shrink: 0; font-variant-numeric: tabular-nums; transition: color 0.2s; }
.tool-row:hover .tool-count { color: var(--c-text-secondary); }

.model-row { display: flex; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--c-border); gap: 16px; }
.model-row:last-child { border-bottom: none; }
.model-name { font-size: 0.85rem; font-weight:400; color: var(--c-text); min-width: 140px; flex-shrink: 0; }
.model-stat { font-size: 0.75rem; font-weight: 400; color: var(--c-text-secondary); min-width: 70px; text-align: right; }
.model-cost { font-size: 0.85rem; font-weight: 400; color: var(--c-text); min-width: 60px; text-align: right; }

.model-header {
  display: flex;
  align-items: center;
  padding: 2px 0 6px;
  gap: 16px;
  border-bottom: 1px solid var(--c-border-hover);
  margin-bottom: 2px;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--c-text-secondary);
  text-transform: uppercase;
}
.model-header span { cursor: pointer; user-select: none; transition: color 0.15s; }
.model-header span:hover { color: var(--c-text-secondary); }
.model-header .active { color: var(--c-text); }
.model-header .model-name { font-size: 0.62rem; }
.model-header .model-stat, .model-header .model-cost { text-align: right; }

.model-total { font-size: 0.72rem; font-weight:400; color: var(--c-text-secondary); min-width: 58px; text-align: right; }
.model-share { font-size: 0.68rem; font-weight: 400; color: var(--c-text-secondary); min-width: 42px; text-align: right; flex-shrink: 0; }
.model-cost-bar { width: 68px; height: 4px; background: var(--c-border); border-radius: 2px; overflow: hidden; flex-shrink: 0; margin-left: 4px; }
.model-cost-bar-fill { height: 100%; background: var(--c-success); transition: width 0.4s ease; }

.model-filter {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 6px;
  width: 140px;
  font-family: inherit;
  margin-left: auto;
}
.model-filter:focus { outline: none; border-color: #888; }
.model-filter::placeholder { color: var(--c-text-secondary); }

.heavy-row { display: flex; align-items: center; padding: 3px 0; gap: 10px; font-size: 0.72rem; border-bottom: 1px solid var(--c-border); }
.heavy-row:last-child { border-bottom: none; }
.heavy-cost { color: var(--c-text); min-width: 52px; font-weight: 400; flex-shrink: 0; }
.heavy-calls { color: var(--c-text-secondary); min-width: 48px; flex-shrink: 0; }
.heavy-meta { color: var(--c-text-secondary); font-size: 0.62rem; flex-shrink: 0; }

.shell-pills { display: flex; flex-wrap: wrap; gap: 3px; }
.shell-pill { background: var(--c-bg-card); border: 1px solid var(--c-border); border-radius: 999px; padding: 1px 6px; font-size: 0.62rem; color: #888; white-space: nowrap; }

.copy-btn { background: transparent; border: 1px solid var(--c-border-hover); color: var(--c-text-secondary); font-size: 0.62rem; padding: 2px 6px; border-radius: 4px; cursor: pointer; margin-left: 4px; flex-shrink: 0; }
.copy-btn:hover { border-color: var(--c-text-secondary); color: var(--c-text-secondary); }

.model-rate { font-size: 0.68rem; font-weight:400; color: #777; min-width: 52px; text-align: right; flex-shrink: 0; }
.model-limit { font-size: 0.62rem; font-weight: 400; color: var(--c-text-secondary); min-width: 72px; text-align: left; flex-shrink: 0; white-space: nowrap; }

.shell-row { display: flex; align-items: center; padding: 4px 0; gap: 12px; }
.shell-name { font-size: 0.8rem; font-weight: 400; color: var(--c-text-secondary); min-width: 130px; flex-shrink: 0; font-family: monospace; }
.shell-bar-wrap { flex: 1; height: 4px; background: var(--c-border); border-radius: 2px; overflow: hidden; }
.shell-bar { height: 100%; border-radius: 2px; background: #818cf8; transition: width 0.5s ease; }
.shell-count { font-size: 0.75rem; font-weight: 400; color: var(--c-text-secondary); min-width: 40px; text-align: right; flex-shrink: 0; }

.project-card { background: var(--c-bg-card); border: 1px solid var(--c-border); border-radius: 16px; padding: 20px; margin-bottom: 12px; transition: border-color 0.2s; }
.project-card:hover { border-color: var(--c-border-hover); }
.project-name { font-size: 0.9rem; font-weight: 400; color: var(--c-text); margin-bottom: 8px; }
.project-stats { display: flex; gap: 20px; flex-wrap: wrap; }
.project-stat { font-size: 0.75rem; font-weight: 400; color: var(--c-text-secondary); }
.project-stat span { color: var(--c-text-secondary); }

.loading { opacity: 0.4; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 0.7; } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 600px) {
  .overview-grid { grid-template-columns: 1fr; }
  .chart-label, .activity-label { min-width: 60px; font-size: 0.7rem; }
  #models-list { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 8px; }
  .model-row { min-width: 460px; }
  #tools-list { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 8px; }
  .tool-row { min-width: 340px; }
  .page-wrap { padding-left: 16px; padding-right: 16px; }
  .rankings-grid { grid-template-columns: 1fr; }
  .rankings-column { min-width: 0; }
}

/* Rankings tab */
.rankings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 8px;
}

.rankings-column {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 16px;
  min-width: 0;
}

.rankings-column-header {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--c-text-secondary);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
}

.ranking-row {
  padding: 10px 8px;
  border-bottom: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ranking-row:last-child {
  border-bottom: none;
}

.ranking-row-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ranking-rank {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--c-text-secondary);
  min-width: 22px;
  text-align: right;
}

.ranking-name {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--c-text);
  flex: 1;
  min-width: 120px;
}

.ranking-health {
  font-size: 0.9rem;
  flex-shrink: 0;
}

.ranking-grade {
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  color: var(--c-text-secondary);
  min-width: 24px;
  text-align: center;
}

.ranking-grade.S { background: rgba(74,222,128,0.15); border-color: #4ade80; color: #4ade80; }
.ranking-grade.A { background: rgba(74,222,128,0.1); border-color: #4ade80; color: #4ade80; }
.ranking-grade.B { background: rgba(148,163,184,0.1); border-color: #94a3b8; color: #94a3b8; }
.ranking-grade.C { background: rgba(251,191,36,0.1); border-color: #fbbf24; color: #fbbf24; }
.ranking-grade.D { background: rgba(248,113,113,0.1); border-color: #f87171; color: #f87171; }

.ranking-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.62rem;
  color: var(--c-text-secondary);
}

.ranking-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.ranking-limit-type {
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
}

.ranking-limit-type.rate { border-color: #4ade80; color: #4ade80; }
.ranking-limit-type.cap { border-color: #fbbf24; color: #fbbf24; }
.ranking-limit-type.unlimited { border-color: #818cf8; color: #818cf8; }

.ranking-usage {
  color: var(--c-text-secondary);
}

.ranking-reset {
  color: #fbbf24;
  font-variant-numeric: tabular-nums;
}

.ranking-copy-btn {
  background: transparent;
  border: 1px solid var(--c-border-hover);
  color: var(--c-text-secondary);
  font-size: 0.55rem;
  padding: 1px 5px;
  border-radius: 3px;
  cursor: pointer;
  margin-left: auto;
  transition: border-color 0.2s, color 0.2s;
}

.ranking-copy-btn:hover {
  border-color: var(--c-text-secondary);
  color: var(--c-text-secondary);
}

.ranking-row.expanded .ranking-details {
  display: block;
  animation: fadeIn 0.2s ease;
}

.ranking-details {
  display: none;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--c-border);
  font-size: 0.62rem;
  color: var(--c-text-secondary);
  line-height: 1.6;
}

.ranking-details .strengths, .ranking-details .weaknesses {
  margin: 4px 0;
}

.ranking-details strong {
  color: var(--c-text);
}

.ranking-details ul {
  margin: 2px 0 2px 16px;
}

.ranking-details li {
  margin: 2px 0;
}

.ranking-expand-toggle {
  background: none;
  border: none;
  color: var(--c-text-secondary);
  font-size: 0.7rem;
  cursor: pointer;
  padding: 0;
  margin-left: 4px;
  transition: color 0.2s;
}

.ranking-expand-toggle:hover {
  color: var(--c-text);
}