:root {
  --bg: #eef2f8;
  --panel: #ffffff;
  --muted: #64748b;
  --text: #0f172a;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --success: #059669;
  --border: #e2e8f0;
  --shadow: 0 22px 60px rgba(15, 23, 42, 0.11);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #dbeafe 0, transparent 36rem), var(--bg);
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(320px, 390px) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 26px;
  background: rgba(255, 255, 255, 0.88);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(18px);
}

.brand { display: flex; gap: 14px; align-items: center; margin-bottom: 26px; }
.brand-mark {
  width: 54px; height: 54px; display: grid; place-items: center;
  border-radius: 18px; color: white; font-size: 26px; font-weight: 800;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  box-shadow: 0 16px 32px rgba(37, 99, 235, 0.28);
}
.brand h1 { margin: 0; font-size: 24px; }
.brand p { margin: 4px 0 0; color: var(--muted); }

.panel-form { display: grid; gap: 16px; }
.form-card, .card, .plot-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.form-card { padding: 16px; box-shadow: none; }
.form-card h2 { margin: 0 0 12px; font-size: 15px; letter-spacing: .02em; }
.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: grid; gap: 7px; font-size: 13px; font-weight: 700; color: #334155; }
.field.full { width: 100%; }
.field input, .field select, .selectors select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 9px 11px;
  color: var(--text);
  background: #f8fafc;
  outline: none;
}
.field input:focus, .field select:focus, .selectors select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}
.primary-button {
  border: 0;
  border-radius: 16px;
  min-height: 50px;
  color: white;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  box-shadow: 0 18px 38px rgba(37, 99, 235, .28);
}
.primary-button:disabled { cursor: wait; opacity: .65; }

.content { min-width: 0; padding: 30px; }
.hero {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 22px;
}
.eyebrow { margin: 0 0 8px; color: var(--primary); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: 12px; }
.hero h2 { margin: 0; font-size: clamp(28px, 4vw, 46px); }
.hero p:last-child { color: var(--muted); font-size: 17px; }
.status { padding: 10px 16px; border-radius: 999px; font-weight: 800; white-space: nowrap; background: #e2e8f0; }
.status.busy { color: #92400e; background: #fef3c7; }
.status.success { color: var(--success); background: #d1fae5; }
.status.error { color: var(--danger); background: #fee2e2; }

.card { padding: 22px; margin-bottom: 22px; }
.hidden { display: none !important; }
pre {
  overflow: auto;
  margin: 0;
  padding: 18px;
  border-radius: 16px;
  color: #dbeafe;
  background: #0f172a;
  line-height: 1.55;
}
.toolbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; flex-wrap: wrap; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  background: #f8fafc;
  color: #334155;
  font-weight: 800;
  cursor: pointer;
}
.tab.active { border-color: transparent; color: white; background: var(--primary); }
.selectors { display: flex; gap: 12px; flex-wrap: wrap; color: var(--muted); font-weight: 700; }
.selectors label { display: grid; gap: 5px; min-width: 190px; }
.tab-panel { display: none; margin-top: 22px; }
.tab-panel.active { display: block; }
.hint { color: var(--muted); }
.table-wrap { overflow: auto; max-height: 72vh; border: 1px solid var(--border); border-radius: 18px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; background: white; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); text-align: right; white-space: nowrap; }
th { position: sticky; top: 0; z-index: 1; color: #334155; background: #f1f5f9; }
tbody th { left: 0; z-index: 2; text-align: left; }
tbody tr:nth-child(even) { background: #f8fafc; }
.corner { text-align: center; }

.plot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(800px, 1fr)); gap: 20px; }
.plot-card { min-width: 0; padding: 16px; }
.plot-card h3 { margin: 0 0 12px; }
.featured-plot { margin-bottom: 20px; }
.secondary-plots { margin-top: 0; }
.plot { width: 100%; min-width: 800px; height: 680px; }

@media (max-width: 1180px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .plot-grid { grid-template-columns: 1fr; }
  .plot { min-width: 100%; }
}