:root {
  --navy: #16375b;
  --navy-dark: #0c2744;
  --blue: #1e6a9f;
  --blue-light: #eaf3f8;
  --teal: #2b7a78;
  --green: #2e7d5b;
  --green-light: #e8f5ee;
  --amber: #9a6511;
  --amber-light: #fff6df;
  --ink: #17212b;
  --muted: #637080;
  --line: #dce3e9;
  --surface: #ffffff;
  --bg: #f4f7f9;
  --text: var(--ink);
  --text-muted: var(--muted);
  --border: var(--line);
  --shadow: 0 16px 40px rgba(20, 48, 74, 0.08);
  --radius: 18px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  background:
    radial-gradient(circle at 95% 0%, rgba(30, 106, 159, 0.08), transparent 26rem),
    var(--bg);
  line-height: 1.5;
}

.site-header {
  position: sticky;
  min-height: 76px;
  padding: 0 5vw;
  gap: 2rem;
  color: #ffffff;
  background: linear-gradient(115deg, var(--navy-dark), var(--navy));
  border-bottom: 0;
  box-shadow: 0 6px 24px rgba(9, 30, 52, 0.16);
  backdrop-filter: none;
}

.brand { gap: 0.8rem; letter-spacing: 0.02em; }
.brand-icon {
  display: block;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  object-fit: contain;
}
.brand small { color: rgba(255, 255, 255, 0.7); font-size: 0.72rem; font-weight: 500; }

.main-nav { display: flex; gap: 0.3rem; }
.main-nav a {
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}
.main-nav a:hover,
.main-nav a:focus-visible { color: #ffffff; background: rgba(255, 255, 255, 0.1); }

.user-menu { margin-left: auto; display: flex; align-items: center; gap: 0.8rem; }
.user-menu form { margin: 0; }
.role-badge {
  padding: 0.28rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.76rem;
}
.text-button { padding: 0; border: 0; color: #ffffff; background: transparent; font: inherit; cursor: pointer; }

.page-shell { width: min(1180px, calc(100% - 2rem)); padding: 3rem 0 5rem; }
.page-heading { align-items: flex-end; margin-bottom: 2rem; }
.page-heading h1 {
  max-width: 760px;
  margin: 0.2rem 0 0.65rem;
  color: var(--navy-dark);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}
h2 { color: var(--navy-dark); }
.eyebrow { margin-bottom: 0.35rem; color: var(--blue); font-weight: 800; }
.muted { color: var(--muted); }

.status-chip {
  padding: 0.35rem 0.7rem;
  border: 0;
  color: var(--muted);
  background: #edf1f4;
}
.status-ok { color: var(--green); background: var(--green-light); }
.status-pending { color: var(--amber); background: var(--amber-light); }
.status-error { color: #9c2f2f; background: #fff0f0; }

.kpi-grid { gap: 1rem; margin-bottom: 1.25rem; }
.kpi-card,
.content-card,
.login-panel,
.table-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.kpi-card { min-height: 150px; padding: 1.35rem; display: flex; flex-direction: column; }
.kpi-card strong { margin: auto 0 0; color: var(--navy); font-size: clamp(1.7rem, 2.3vw, 2.3rem); line-height: 1; }
.kpi-card small { margin-top: 0.45rem; }
.kpi-label { color: var(--muted); letter-spacing: 0.06em; }
.kpi-warning { border-color: #ead7aa; background: var(--amber-light); }

.analysis-grid,
.dashboard-grid { gap: 1rem; }
.table-card { padding: 1.6rem; }
.table-heading { align-items: flex-start; margin-bottom: 1rem; }
.chart-card { min-height: 390px; }
.chart-data { color: var(--muted); }
.chart-data summary { color: var(--blue); }
.chart-empty { background: #f6f8fa; }

.legend { color: var(--muted); }
.legend-actual,
.legend-total { background: var(--blue); }
.legend-dispo { background: #9fc4dc; }
.legend-prior { background: var(--amber); }
.legend-prior-bar { background: #e6cb8e; }

th,
td { border-bottom-color: var(--line); }
th { color: var(--muted); background: #f8fafb; }
tbody tr:hover { background: #f9fbfc; }
code { color: var(--blue); }

.primary-button { min-height: 44px; border-radius: 10px; background: var(--blue); }
.primary-button:hover,
.primary-button:focus-visible { background: var(--navy); }
.login-form input,
.upload-form input[type="file"] { border-color: #bfcbd4; border-radius: 10px; }
.login-form input:focus { border-color: var(--blue); outline-color: rgba(30, 106, 159, 0.14); }

.empty-state { border-color: var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.empty-icon { color: var(--blue); background: var(--blue-light); }
.company-row strong { color: var(--navy-dark); }
.progress-track span { background: var(--amber); }

.alert-success { color: var(--green); background: var(--green-light); }
.alert-error { color: #9c2f2f; background: #fff0f0; }
.severity-info { color: var(--blue); background: var(--blue-light); }

@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .analysis-grid,
  .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .site-header { padding: 0.8rem 1rem; flex-wrap: wrap; gap: 0.8rem 1rem; }
  .main-nav { order: 3; width: 100%; overflow-x: auto; }
  .role-badge { display: none; }
  .page-shell { padding-top: 2rem; }
  .page-heading { align-items: flex-start; flex-direction: column; gap: 1rem; }
}

@media (max-width: 520px) {
  .brand small { display: none; }
  .page-shell { width: min(calc(100% - 1.2rem), 1180px); padding-bottom: 3rem; }
  .kpi-grid { grid-template-columns: 1fr; }
  .page-heading h1 { font-size: 2.25rem; }
  .table-card,
  .content-card,
  .login-panel { padding: 1.25rem; }
}