:root {
  --bg: #f3ede2;
  --panel: rgba(255, 251, 245, 0.92);
  --panel-border: rgba(79, 55, 26, 0.12);
  --ink: #1f1912;
  --muted: #6e5f4e;
  --accent: #0f766e;
  --cost: #c2410c;
  --tokens: #0f766e;
  --shadow: 0 16px 40px rgba(53, 36, 15, 0.1);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 30%),
    radial-gradient(circle at top right, rgba(194, 65, 12, 0.12), transparent 26%),
    linear-gradient(180deg, #faf6f0 0%, #f1e6d5 100%);
}
code, pre, table, input, button, select { font-family: "Consolas", "Courier New", monospace; }
.app-shell { width: min(1540px, calc(100% - 24px)); margin: 0 auto; padding: 18px 0 40px; }
.topbar { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr); gap: 14px; align-items: start; margin-bottom: 12px; }
.eyebrow, .panel-kicker { margin: 0 0 6px; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.16em; color: #b45309; }
h1, h2, h3 { margin: 0; line-height: 1.05; }
h1 { font-size: clamp(1.5rem, 3vw, 2.4rem); }
h2 { font-size: 1.45rem; }
.status-card, .panel, .metric-card, .toolbar, .import-bar, .view-tabs {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.status-card { padding: 14px 16px; }
.status-line { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.status-dot { width: 10px; height: 10px; border-radius: 999px; background: var(--accent); }
.mini-label { font-size: 0.72rem; text-transform: uppercase; color: var(--muted); letter-spacing: 0.1em; }
.toolbar, .import-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; padding: 12px 14px; margin-bottom: 10px; }
.toolbar label, .import-bar label { display: grid; gap: 5px; color: var(--muted); font-size: 0.85rem; }
.preset-group, .view-tabs { display: flex; gap: 8px; }
.view-tabs { padding: 8px; margin-bottom: 12px; }
.view-tab {
  border-radius: 12px;
  border: 1px solid rgba(79, 55, 26, 0.12);
  padding: 10px 14px;
  background: #fff8ef;
  color: var(--ink);
  cursor: pointer;
}
.view-tab.active { background: var(--accent); color: white; border-color: var(--accent); }
button, select, input { border-radius: 12px; border: 1px solid rgba(79, 55, 26, 0.12); padding: 10px 12px; font: inherit; background: white; max-width: 100%; }
select { min-width: 170px; }
button { cursor: pointer; }
button.primary, .preset.active { background: var(--accent); color: white; border-color: var(--accent); }
button.secondary, .preset { background: #fff8ef; color: var(--ink); }
button:disabled { opacity: 0.7; cursor: wait; }
.feedback-banner { margin: 0 0 12px; padding: 11px 14px; border-radius: 14px; border: 1px solid var(--panel-border); }
.feedback-banner.success { background: rgba(217, 242, 237, 0.86); }
.feedback-banner.error { background: rgba(255, 237, 213, 0.9); color: #7c2d12; }
.summary-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; margin-bottom: 12px; }
.metric-card { padding: 16px; }
.metric-card p { margin: 0 0 8px; color: var(--muted); }
.metric-card strong { font-size: 1.55rem; }
.view-panel { display: none; }
.view-panel.active { display: block; }
.main-grid { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(360px, 0.95fr); gap: 12px; margin-bottom: 12px; }
.analytics-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 12px; }
.top-insights { align-items: start; }
.panel { padding: 16px; min-width: 0; }
.panel-head { margin-bottom: 12px; }
.table-shell { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid rgba(79, 55, 26, 0.08); vertical-align: top; font-size: 0.84rem; }
th { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }
td span { display: block; color: var(--muted); margin-top: 4px; }
.generation-row, .drill-row, .bar-row.clickable { cursor: pointer; }
.generation-row.selected { background: rgba(15, 118, 110, 0.08); }
.drawer-empty { color: var(--muted); }
.drawer-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 14px; }
.meta-item { display: grid; gap: 4px; padding: 10px; background: rgba(255,255,255,0.55); border-radius: 12px; }
.meta-item span { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }
.drawer-block { margin-top: 14px; }
pre { white-space: pre-wrap; word-break: break-word; background: rgba(15, 23, 42, 0.04); padding: 12px; border-radius: 12px; margin: 8px 0 0; min-height: 80px; max-height: 340px; overflow: auto; }
.interval-row { display: grid; grid-template-columns: 130px minmax(0, 1fr) 170px; gap: 12px; align-items: center; margin-bottom: 10px; }
.interval-label { color: var(--muted); font-size: 0.82rem; }
.interval-bars { display: grid; gap: 6px; }
.interval-bar { height: 10px; border-radius: 999px; }
.interval-bar.cost { background: linear-gradient(90deg, #fb923c, var(--cost)); }
.interval-bar.tokens { background: linear-gradient(90deg, #5eead4, var(--tokens)); }
.interval-values { display: grid; gap: 4px; justify-items: end; }
.bar-row { display: grid; grid-template-columns: minmax(150px, 1fr) minmax(100px, 1fr) auto; gap: 12px; align-items: center; margin-bottom: 12px; }
.bar-row span { color: var(--muted); display: block; }
.bar-meter { position: relative; height: 12px; background: rgba(15, 23, 42, 0.08); border-radius: 999px; overflow: hidden; }
.bar-meter span { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, #fb923c, var(--cost)); }
.empty-state { padding: 24px 0; text-align: center; }
.file-label input { width: 260px; }
.mini-action {
  padding: 6px 10px;
  border-radius: 10px;
  background: #fff8ef;
  border: 1px solid rgba(79, 55, 26, 0.12);
}

@media (max-width: 1250px) {
  .topbar, .main-grid, .analytics-grid, .summary-grid { grid-template-columns: 1fr; }
}

@media (max-width: 840px) {
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .drawer-meta, .interval-row, .bar-row { grid-template-columns: 1fr; }
}