/* DSS/WSS Analytics — light, Zoho-style design system */

:root {
  --bg: #F2F5F9;
  --panel: #FFFFFF;
  --border: #E2E7EF;
  --border2: #E8ECF2;
  --border3: #F0F2F6;
  --text: #1E293B;
  --muted: #64748B;
  --muted2: #94A3B8;
  --muted3: #334155;
  --accent: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-soft: #EFF6FF;
  --accent-bright: #16A34A;
  --secondary: #0891B2;
  --danger: #DC2626;
  --warning: #D97706;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
}

.page { padding: 28px; min-height: 100vh; }

h1.page-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -.01em;
  margin: 0 0 4px;
}

.sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }

/* ---- Top nav ---- */
.nav { background: var(--panel); padding: 16px 28px; border-bottom: 1px solid var(--border); box-shadow: 0 1px 2px rgba(16, 24, 40, .03); }
.nav-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.nav-row:last-child { margin-bottom: 0; }
.nav-link {
  display: inline-block; text-decoration: none; cursor: pointer;
  border: none; border-radius: 6px; padding: 8px 16px;
  font-weight: 600; font-size: 13px; font-family: inherit;
  background: var(--border3); color: var(--muted3);
}
.nav-link.business.active { background: var(--accent); color: #fff; }
.nav-link.category { padding: 8px 14px; font-weight: 500; font-size: 12px; background: var(--border3); }
.nav-link.category.active { background: var(--accent); color: #fff; }
.nav-link.report { padding: 8px 14px; font-weight: 500; font-size: 12px; background: transparent; border: 1px solid var(--border); color: var(--muted3); }
.nav-link.report.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

/* ---- Filter bar ---- */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.filters input, .filters select {
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 8px 12px; border-radius: 7px; font-size: 13px; outline: none; font-family: inherit;
}
.filters input:focus, .filters select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

button, .btn {
  border: none; border-radius: 7px; padding: 9px 18px; font-size: 13px; font-weight: 600;
  cursor: pointer; font-family: inherit; text-decoration: none; display: inline-block;
}
.btn-primary, button.run, button[type="submit"] { background: var(--accent); color: #fff; }
.btn-primary:hover, button.run:hover, button[type="submit"]:hover { background: var(--accent-hover); }
.btn-ghost { background: var(--panel); border: 1px solid var(--border); color: var(--muted3); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: #FEF2F2; color: var(--danger); border: 1px solid #FECACA; padding: 4px 10px; font-weight: 600; }
.btn-danger:hover { background: #FEE2E2; }

/* ---- Stat cards ---- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin: 20px 0 30px; }
.stat { background: var(--panel); padding: 15px; border-radius: 10px; border: 1px solid var(--border); box-shadow: 0 1px 2px rgba(16, 24, 40, .04); }
.stat-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.stat-value { color: var(--accent); font-family: inherit; font-variant-numeric: tabular-nums; font-size: 19px; margin-top: 6px; font-weight: 700; }
.stat.loss .stat-value, .stat.warning .stat-value { color: var(--danger); }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 12.5px; margin-top: 20px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
table.data th {
  text-align: right; padding: 10px 12px; color: var(--muted); font-size: 10.5px;
  text-transform: uppercase; letter-spacing: .08em; border-bottom: 1px solid var(--border2);
  background: #F8FAFC; white-space: nowrap;
}
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data th a { color: inherit; text-decoration: none; cursor: pointer; user-select: none; }
table.data th a:hover { color: var(--accent); }
table.data td {
  padding: 9px 12px; border-bottom: 1px solid var(--border3); text-align: right;
  font-variant-numeric: tabular-nums;
}
table.data td:first-child { text-align: left; font-variant-numeric: normal; }
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover { background: #F8FAFC; }
table.data tr.totals td { border-top: 2px solid var(--border); font-weight: 700; color: var(--text); background: #F8FAFC; }
table.data .pos { color: var(--accent-bright); }
table.data .neg { color: var(--danger); }
table.data td.comm { color: var(--secondary); font-weight: 700; }

h3.group-heading { font-family: inherit; font-weight: 600; font-size: 14px; color: var(--muted3); margin: 30px 0 8px; }

/* ---- Flags / badges ---- */
.flag {
  display: inline-block; font-size: 10px; padding: 2px 7px; border-radius: 4px;
  margin-left: 6px; font-family: inherit; font-weight: 600;
}
.flag.pending { background: rgba(217, 119, 6, .12); color: var(--warning); }
.flag.alloc { background: rgba(8, 145, 178, .12); color: var(--secondary); }
.flag.noso { background: rgba(220, 38, 38, .1); color: var(--danger); }

/* ---- Details / disclosure ---- */
details.disclosure { margin-top: 4px; }
details.disclosure summary { cursor: pointer; color: var(--accent); font-size: 12px; }
details.disclosure .breakdown-body { color: var(--muted3); font-size: 12px; padding: 6px 0 6px 16px; }
details.tiers { margin-top: 16px; color: var(--muted3); font-size: 12px; }
details.tiers summary { cursor: pointer; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-size: 10.5px; }
.tiergrid { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 10px; font-variant-numeric: tabular-nums; }
.tiergrid b { color: var(--secondary); }

/* ---- Tabs / view switcher ---- */
.viewbar { display: flex; gap: 10px; align-items: center; margin: 4px 0 18px; flex-wrap: wrap; }
.tab { background: var(--panel); color: var(--muted3); border: 1px solid var(--border); }
.tab.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.viewbar select { min-width: 190px; }
.viewbar select.yearsel { min-width: 100px; }

/* ---- Cards (PO Allocations, forms) ---- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 20px; box-shadow: 0 1px 2px rgba(16, 24, 40, .04); }
.card h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin: 0 0 14px; }
.fields { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.suggest-block { margin-top: 14px; border-top: 1px dashed var(--border); padding-top: 14px; }

/* ---- Messages ---- */
.msg-error { color: var(--danger); font-size: 13px; margin: 8px 0; }
.msg-ok { color: var(--accent-bright); font-size: 13px; margin: 8px 0; }
.note { color: var(--warning); font-size: 12px; margin-top: 12px; }
.note-muted { color: var(--muted); font-size: 12px; margin-top: 12px; }

/* ---- Charts ---- */
.chart-container { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-top: 20px; box-shadow: 0 1px 2px rgba(16, 24, 40, .04); }
.metric-toggle { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }