:root {
  --navy-dark: #1B3A5C;
  --navy-mid: #2E5C8A;
  --navy-light: #3D74AC;
  --bg: #F7F9FB;
  --panel-bg: #FFFFFF;
  --border: rgba(27, 58, 92, 0.16);
  --text: #1F2937;
  --text-muted: #5B6B7C;
  --danger: #B3261E;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 2rem 2.5rem;
}

/* Header */
.main-header {
  background: linear-gradient(90deg, var(--navy-dark) 0%, var(--navy-mid) 100%);
  padding: 1.4rem 2rem;
  border-radius: 10px;
  margin-bottom: 1.4rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.main-header h1 {
  color: #FFFFFF;
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0;
}
.main-header p {
  color: #D6E4F0;
  margin: 0.25rem 0 0 0;
  font-size: 0.9rem;
}

/* Filter panel */
.filter-panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.4rem 1.4rem;
  margin-bottom: 1.4rem;
}
.filter-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 1rem 0;
}
.filter-grid {
  display: grid;
  grid-template-columns: 1.3fr 1.3fr 1fr 1fr 1.3fr;
  gap: 1rem;
  align-items: start;
}
@media (max-width: 980px) {
  .filter-grid { grid-template-columns: 1fr 1fr; }
}

.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}
.field input[type="date"],
.field input[type="text"] {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text);
  background: #fff;
}
.field input:focus, .multiselect:focus-within {
  outline: none;
  border-color: var(--navy-mid);
  box-shadow: 0 0 0 3px rgba(46, 92, 138, 0.15);
}
.hint { font-size: 0.72rem; color: var(--text-muted); }

/* Multiselect */
.multiselect {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  min-height: 38px;
  padding: 0.3rem 0.4rem;
  cursor: text;
}
.multiselect .ms-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
}
.multiselect .ms-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: #E7EEF5;
  color: var(--navy-dark);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  font-size: 0.78rem;
}
.multiselect .ms-tag button {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--navy-dark);
  font-size: 0.85rem;
  line-height: 1;
  padding: 0;
}
.multiselect .ms-input {
  border: none;
  outline: none;
  flex: 1;
  min-width: 60px;
  font-size: 0.85rem;
  padding: 0.15rem;
}
.ms-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.12);
  max-height: 220px;
  overflow-y: auto;
  z-index: 20;
}
.ms-option {
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
  cursor: pointer;
}
.ms-option:hover, .ms-option.active { background: #EEF3F8; }
.ms-empty { padding: 0.4rem 0.6rem; font-size: 0.8rem; color: var(--text-muted); }

/* Buttons */
.filter-actions { margin-top: 1rem; display: flex; align-items: center; gap: 0.8rem; }
.btn {
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary { background: var(--navy-mid); color: #fff; }
.btn-primary:hover { background: var(--navy-light); }
.btn-primary:disabled { background: #9FB4C6; cursor: not-allowed; }
.error-text { color: var(--danger); font-size: 0.85rem; }

/* Results */
.results-section { margin-top: 0.5rem; }
.hidden { display: none !important; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
  margin-bottom: 1rem;
}
@media (max-width: 780px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
}
.metric-card {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
}
.metric-label { font-size: 0.78rem; color: var(--text-muted); }
.metric-value { font-size: 1.4rem; font-weight: 700; color: var(--text); margin-top: 0.15rem; }

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}
.results-header h3 { margin: 0; font-size: 1.05rem; }

.banner {
  background: #FFF6E5;
  border: 1px solid #F0C877;
  color: #7A5A00;
  border-radius: 6px;
  padding: 0.55rem 0.9rem;
  font-size: 0.85rem;
  margin-bottom: 0.8rem;
}

.info-box {
  background: #EAF1F8;
  border: 1px solid var(--border);
  color: var(--navy-dark);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  font-size: 0.9rem;
}

.grid-wrapper {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: auto;
  max-height: 460px;
  background: #fff;
}
table.grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
}
table.grid thead th {
  position: sticky;
  top: 0;
  background: #F1F5F9;
  text-align: left;
  padding: 0.5rem 0.7rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}
table.grid tbody td {
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid rgba(27, 58, 92, 0.08);
  white-space: nowrap;
}
table.grid tbody tr:hover { background: #F7FAFC; }

.sql-expander {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  background: var(--panel-bg);
}
.sql-expander summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--navy-dark);
}
.sql-expander pre {
  margin-top: 0.7rem;
  white-space: pre-wrap;
  font-size: 0.8rem;
  color: var(--text);
  background: #F7F9FB;
  padding: 0.7rem;
  border-radius: 6px;
  overflow-x: auto;
}