/* SGT Acquisition Cockpit — Design System
   Aligned with sgt-presentation-v4 tokens but optimised for dashboard use.
*/

:root {
  --sgt-purple: #754cff;
  --sgt-purple-light: #d2c1ff;
  --sgt-black: #1e1e1e;
  --sgt-grey: #767676;
  --sgt-grey-mid: #cccccc;
  --sgt-grey-light: #f5f5f5;
  --sgt-border: #e0e0e0;
  --sgt-white: #ffffff;
  --sgt-green: #1d862d;
  --sgt-red: #ec1111;
  --sgt-amber: #d99e00;

  --tier-1: #754cff;
  --tier-2: #629cfa;
  --tier-3: #cccccc;

  --status-cold: #cccccc;
  --status-researching: #629cfa;
  --status-engaged: #d99e00;
  --status-meeting: #d9e530;
  --status-proposal: #ffd129;
  --status-won: #1d862d;
  --status-lost: #ec1111;
  --status-paused: #767676;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--sgt-black);
  background: var(--sgt-white);
  letter-spacing: 0.01em;
}

a { color: var(--sgt-purple); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--sgt-black);
  color: var(--sgt-white);
  padding: 24px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar .brand {
  padding: 0 24px 32px;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.sidebar .brand .dot { color: var(--sgt-purple); }

.sidebar nav { display: flex; flex-direction: column; }

.sidebar nav a {
  color: rgba(255,255,255,0.65);
  padding: 10px 24px;
  font-size: 14px;
  letter-spacing: 0.01em;
  border-left: 3px solid transparent;
}

.sidebar nav a:hover { color: var(--sgt-white); text-decoration: none; }
.sidebar nav a.active {
  color: var(--sgt-white);
  border-left-color: var(--sgt-purple);
  background: rgba(255,255,255,0.04);
}

.sidebar .nav-group-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  padding: 16px 24px 8px;
}

.main { padding: 32px 40px; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--sgt-border);
}

.page-header h1 {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.page-header .meta {
  font-size: 13px;
  color: var(--sgt-grey);
}

/* Cards / KPI */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.kpi-card {
  background: var(--sgt-grey-light);
  border-radius: 8px;
  padding: 20px;
}

.kpi-card .label {
  font-size: 12px;
  color: var(--sgt-grey);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.kpi-card .value {
  font-size: 32px;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.kpi-card .delta {
  font-size: 12px;
  color: var(--sgt-grey);
  margin-top: 4px;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  font-weight: 500;
  padding: 12px 16px;
  border-bottom: 1px solid var(--sgt-border);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sgt-grey);
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--sgt-border);
  vertical-align: top;
}

.data-table tr:hover td { background: var(--sgt-grey-light); }

.data-table .id-col { color: var(--sgt-grey); font-variant-numeric: tabular-nums; }

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

.badge-tier-1 { background: var(--sgt-purple); color: var(--sgt-white); }
.badge-tier-2 { background: var(--tier-2); color: var(--sgt-white); }
.badge-tier-3 { background: var(--tier-3); color: var(--sgt-black); }

.badge-status { background: var(--sgt-grey-light); color: var(--sgt-black); }
.badge-status-cold { background: var(--sgt-grey-light); color: var(--sgt-grey); }
.badge-status-researching { background: #e7f0ff; color: #1357c1; }
.badge-status-engaged { background: #fff4d4; color: #8a6500; }
.badge-status-meeting { background: #e8f1c4; color: #4a5a18; }
.badge-status-proposal { background: #fff0c4; color: #8a6500; }
.badge-status-won { background: #d4f0d8; color: var(--sgt-green); }
.badge-status-lost { background: #ffd9d9; color: var(--sgt-red); }

/* Filters */
.filters {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filters select, .filters input {
  font: inherit;
  padding: 8px 12px;
  border: 1px solid var(--sgt-border);
  border-radius: 6px;
  background: var(--sgt-white);
  letter-spacing: 0.01em;
}

.filters input[type="search"] { min-width: 240px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--sgt-border);
  background: var(--sgt-white);
  color: var(--sgt-black);
  font: inherit;
  cursor: pointer;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.btn:hover { background: var(--sgt-grey-light); text-decoration: none; }

.btn-primary { background: var(--sgt-purple); color: var(--sgt-white); border-color: var(--sgt-purple); }
.btn-primary:hover { background: #5a35e8; color: var(--sgt-white); }

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 24px;
  max-width: 720px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--sgt-grey);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--sgt-border);
  border-radius: 6px;
  font: inherit;
  font-size: 14px;
  text-transform: none;
  letter-spacing: 0.01em;
  color: var(--sgt-black);
}

.form-grid textarea { min-height: 80px; resize: vertical; }
.form-grid .full-width { grid-column: 1 / -1; }

.form-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* Detail layouts */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  margin-top: 24px;
}

.detail-block {
  border: 1px solid var(--sgt-border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.detail-block h3 {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-bottom: 12px;
}

.detail-block .row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  padding: 6px 0;
  font-size: 14px;
}

.detail-block .row .key {
  color: var(--sgt-grey);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* Activity timeline */
.timeline { list-style: none; padding: 0; }
.timeline li {
  padding: 12px 0;
  border-bottom: 1px solid var(--sgt-border);
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 12px;
}

.timeline .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sgt-purple);
  margin-top: 6px;
}

.timeline .when { font-size: 12px; color: var(--sgt-grey); }
.timeline .what strong { font-weight: 500; }
.timeline .what .desc { color: var(--sgt-grey); font-size: 13px; margin-top: 2px; }

/* Empty state */
.empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--sgt-grey);
  border: 1px dashed var(--sgt-border);
  border-radius: 8px;
}

/* Utility */
.muted { color: var(--sgt-grey); }
.strong { font-weight: 500; }
.right { text-align: right; }
.tabular { font-variant-numeric: tabular-nums; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }