:root {
  --bg: #0b1120;
  --panel: #121a2b;
  --panel-soft: #172036;
  --text: #ebf2ff;
  --muted: #a6b1c5;
  --accent: #7c9cff;
  --border: #26324d;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: linear-gradient(180deg, #0b1120 0%, #111827 100%);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
}
.page-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}
.hero-card, .form-card, .panel, .kpi-card, .chart-card, .table-card {
  background: rgba(18, 26, 43, 0.92);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.25);
}
.hero-card, .form-card, .panel { padding: 24px; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #93c5fd;
  margin-bottom: 8px;
}
h1, h2, h3 { margin-top: 0; }
p { color: var(--muted); line-height: 1.6; }
.upload-form { display: grid; gap: 14px; }
.field-label { font-weight: 700; }
input[type="file"], textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
}
textarea { resize: vertical; }
.primary-btn, .secondary-btn {
  display: inline-block;
  text-decoration: none;
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
}
.primary-btn {
  background: var(--accent);
  color: white;
}
.secondary-btn {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.help-box {
  background: rgba(124, 156, 255, 0.08);
  border: 1px dashed #4f6dd6;
  border-radius: 14px;
  padding: 16px;
}
.help-box ul, .bullet-list { margin: 10px 0 0 18px; color: var(--muted); }
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 24px;
}
.meta-line { font-size: 14px; }
.grid-kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.kpi-card { padding: 18px; }
.kpi-label { margin: 0 0 10px; font-size: 14px; }
.kpi-value { margin: 0; font-size: 28px; color: white; }
.kpi-format { color: #93c5fd; font-size: 12px; text-transform: uppercase; }
.two-col-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}
.chart-card {
  padding: 18px;
  margin-bottom: 16px;
  min-height: 320px;
}
.chart-card canvas {
  width: 100% !important;
  height: 240px !important;
}
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
th { color: white; }
.report-html h1, .report-html h2, .report-html h3 { color: white; }
.report-html ul { color: var(--muted); }
.flash-list { margin-bottom: 16px; }
.flash-item {
  padding: 12px 14px;
  border: 1px solid #824444;
  background: rgba(127, 29, 29, 0.28);
  border-radius: 12px;
}
@media (max-width: 900px) {
  .two-col-layout { grid-template-columns: 1fr; }
  .top-bar { flex-direction: column; }
}