:root {
  --navy: #0f1b33;
  --navy-2: #16233f;
  --blue-gray: #5b6b8c;
  --blue-gray-light: #eef1f7;
  --white: #ffffff;
  --accent: #2f6fed;
  --accent-dark: #1d4fc4;
  --ok: #1f9d55;
  --warn: #b7791f;
  --danger: #c0392b;
  --muted: #8a93a6;
  --border: #e2e6ef;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 27, 51, 0.08), 0 1px 2px rgba(15, 27, 51, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--blue-gray-light);
  color: var(--navy);
  font-size: 14px;
  line-height: 1.55;
}

a { color: var(--accent); }

.app-header {
  background: var(--navy);
  color: var(--white);
  padding: 14px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}

.app-header h1 {
  font-size: 16px;
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.app-header .meta {
  color: #b9c3dc;
  font-size: 12px;
}

.status-badges { display: flex; gap: 8px; flex-wrap: wrap; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  color: #cfd8ee;
}
.badge.ok { background: rgba(31, 157, 85, 0.18); color: #7ee2a8; }
.badge.warn { background: rgba(183, 121, 31, 0.2); color: #f0c27b; }
.badge.off { background: rgba(255,255,255,0.08); color: #9aa5bf; }

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px 20px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}

select, button, input[type="text"], input[type="password"], input[type="date"], input[type="file"] {
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  background: var(--white);
  color: var(--navy);
}

button {
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
}
button:hover { background: var(--accent-dark); }
button.secondary { background: var(--white); color: var(--navy); border-color: var(--border); }
button.secondary:hover { background: var(--blue-gray-light); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 20px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--blue-gray);
  padding: 10px 12px;
  font-weight: 600;
  border-radius: 0;
  white-space: nowrap;
}
.tab-btn:hover { background: var(--blue-gray-light); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

main { padding: 18px 20px 60px; max-width: 1200px; margin: 0 auto; }

.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.panel h2 { margin: 0 0 12px; font-size: 14px; color: var(--navy); }
.panel .hint { color: var(--muted); font-size: 12px; margin-top: 6px; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.kpi-card {
  background: var(--blue-gray-light);
  border-radius: var(--radius);
  padding: 12px;
}
.kpi-card .label { font-size: 11px; color: var(--blue-gray); font-weight: 600; }
.kpi-card .value { font-size: 22px; font-weight: 700; margin-top: 4px; }
.kpi-card .value.no-data { color: var(--muted); font-size: 14px; }
.kpi-card .value.unmeasurable { color: var(--muted); font-size: 13px; }
.kpi-card .sub { font-size: 11px; color: var(--muted); margin-top: 2px; }

.funnel { display: flex; flex-direction: column; gap: 6px; }
.funnel-step {
  display: grid;
  grid-template-columns: 150px 1fr 90px 80px;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--blue-gray-light);
  border-radius: 8px;
}
.funnel-step .name { font-weight: 700; font-size: 13px; }
.funnel-step .source-tag {
  font-size: 10px;
  color: var(--blue-gray);
  display: block;
  font-weight: 500;
  margin-top: 2px;
}
.funnel-bar-track { background: #dde3f0; border-radius: 6px; height: 10px; overflow: hidden; }
.funnel-bar-fill { background: var(--accent); height: 100%; }
.funnel-step .val { text-align: right; font-weight: 700; }
.funnel-step .rate { text-align: right; font-size: 12px; color: var(--blue-gray); }
.funnel-step.max-drop { outline: 2px solid var(--warn); }
.funnel-note { font-size: 11px; color: var(--warn); margin-top: 4px; }
.funnel-arrow { text-align: center; color: var(--muted); font-size: 12px; }

.tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: 6px;
}
.tag.provisional { background: #fdf1de; color: var(--warn); }
.tag.finalized { background: #e4f6ea; color: var(--ok); }
.tag.unmeasurable { background: #ececec; color: var(--muted); }
.tag.no-data { background: #ececec; color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--blue-gray); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; }
.table-wrap { overflow-x: auto; }
tr.provisional-row td { background: #fdf8ef; }

.rec-item {
  border-left: 3px solid var(--warn);
  background: #fffaf0;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
}
.rec-item .obs { font-weight: 600; }
.rec-item .sug { color: var(--blue-gray); font-size: 12px; margin-top: 2px; }
.rec-item .confidence { font-size: 10px; color: var(--warn); font-weight: 700; }

.error-box {
  background: #fdecea;
  color: var(--danger);
  border: 1px solid #f5c6c0;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 13px;
}
.success-box {
  background: #eaf7ee;
  color: var(--ok);
  border: 1px solid #bfe6cc;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 13px;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  padding: 20px;
}
.login-card {
  background: var(--white);
  padding: 32px;
  border-radius: 14px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow);
}
.login-card h1 { font-size: 16px; margin: 0 0 4px; }
.login-card p.desc { color: var(--muted); font-size: 12px; margin: 0 0 18px; }
.login-card form { display: flex; flex-direction: column; gap: 10px; }
.login-card input { width: 100%; }
.login-card button { width: 100%; padding: 10px; }

.csv-drop {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  color: var(--blue-gray);
}

.hidden { display: none !important; }

footer.app-footer {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  padding: 20px;
}

@media (max-width: 768px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .funnel-step { grid-template-columns: 1fr; text-align: left; }
  .funnel-step .val, .funnel-step .rate { text-align: left; }
  main { padding: 14px 12px 60px; }
  .toolbar { padding: 10px 12px; }
  .app-header { padding: 12px; }
}