:root {
  --bg-0: #0b0f1e;
  --bg-1: #141632;
  --card: #141a33;
  --card-2: #1b2342;
  --border: #26305a;
  --indigo: #6366f1;
  --indigo-2: #818cf8;
  --text: #e6e8f2;
  --muted: #9aa3c7;
  --danger: #f87171;
  --success: #34d399;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg-0) 0%, var(--bg-1) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--indigo-2); }

.brand {
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--indigo-2), #c7d2fe);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- auth pages ---------- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.auth-card h1 {
  margin: 0 0 4px;
  font-size: 26px;
}

.auth-card .sub {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 14px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 14px 0 6px;
}

input, textarea, select {
  width: 100%;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 11px 12px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--indigo);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
.btn:hover { background: var(--indigo-2); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.block { width: 100%; margin-top: 20px; }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn.ghost:hover { background: var(--card-2); }
.btn.sm { padding: 6px 10px; font-size: 12px; }
.btn.danger { background: transparent; border: 1px solid var(--border); color: var(--danger); }
.btn.danger:hover { background: rgba(248, 113, 113, 0.1); }

.toggle-row {
  text-align: center;
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted);
}
.link {
  color: var(--indigo-2);
  cursor: pointer;
  font-weight: 600;
}

.msg {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  display: none;
}
.msg.error { display: block; background: rgba(248, 113, 113, 0.12); color: var(--danger); border: 1px solid rgba(248, 113, 113, 0.3); }
.msg.ok { display: block; background: rgba(52, 211, 153, 0.12); color: var(--success); border: 1px solid rgba(52, 211, 153, 0.3); }

.hidden { display: none !important; }

/* ---------- app shell ---------- */
header.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 15, 30, 0.6);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
  flex-wrap: wrap;
}
.topbar .tenant { font-size: 18px; font-weight: 700; }
.topbar .spacer { flex: 1; }

.kpis {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.kpi {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  min-width: 110px;
}
.kpi .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.kpi .value { font-size: 18px; font-weight: 700; margin-top: 2px; }

main { padding: 18px 20px 60px; }

/* ---------- pipeline board ---------- */
.board {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 12px;
  -webkit-overflow-scrolling: touch;
}
.col {
  flex: 0 0 280px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 190px);
}
.col-head {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}
.col-head .name { font-weight: 700; font-size: 14px; }
.col-head .meta { font-size: 12px; color: var(--muted); margin-top: 3px; }
.col-body {
  padding: 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.card {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 12px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--indigo); }
.card .lead-name { font-weight: 600; font-size: 14px; }
.card .lead-company { font-size: 12px; color: var(--muted); margin-top: 2px; }
.card .lead-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  gap: 8px;
}
.card .lead-value { font-weight: 700; font-size: 13px; }
.chip {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.18);
  color: var(--indigo-2);
  border: 1px solid rgba(99, 102, 241, 0.3);
}
.chip.csv { background: rgba(52, 211, 153, 0.15); color: var(--success); border-color: rgba(52,211,153,0.3); }
.chip.demo { background: rgba(251, 191, 36, 0.15); color: #fbbf24; border-color: rgba(251,191,36,0.3); }
.days { font-size: 11px; color: var(--muted); margin-top: 6px; }
.card-actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}
.card-actions .btn { flex: 1; }

/* ---------- modal / drawer ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 15, 0.7);
  backdrop-filter: blur(3px);
  display: flex;
  z-index: 40;
}
.overlay.center { align-items: center; justify-content: center; padding: 20px; }
.overlay.right { justify-content: flex-end; }

.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 460px;
  padding: 24px;
  max-height: 90vh;
  overflow-y: auto;
}
.drawer {
  background: var(--card);
  border-left: 1px solid var(--border);
  width: 100%;
  max-width: 440px;
  height: 100%;
  padding: 24px;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.modal h2, .drawer h2 { margin: 0 0 16px; font-size: 20px; }
.modal-head, .drawer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.close-x {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-row { margin-top: 6px; }

.timeline { margin-top: 18px; border-top: 1px solid var(--border); padding-top: 14px; }
.timeline h3 { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.event {
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}
.event .when { color: var(--muted); font-size: 11px; }

.copy-link {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.copy-link input { font-size: 12px; }

.settings-section { margin-top: 22px; }
.settings-section h3 { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stage-list { list-style: none; padding: 0; margin: 8px 0 0; }
.stage-list li {
  padding: 8px 12px;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
}

.csv-preview table { width: 100%; border-collapse: collapse; font-size: 12px; margin-top: 10px; }
.csv-preview th, .csv-preview td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  text-align: left;
}
.csv-preview th { color: var(--muted); }

.empty {
  color: var(--muted);
  text-align: center;
  padding: 40px;
  font-size: 14px;
}

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 4px; background: var(--bg-0); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.tab {
  background: transparent; border: none; color: var(--muted);
  padding: 7px 16px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--indigo); color: white; }

/* ---------- dashboard ---------- */
#dashboardView { display: flex; flex-direction: column; gap: 16px; }
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kpi-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px;
}
.kpi-card .k-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-card .k-value { font-size: 26px; font-weight: 800; margin-top: 6px; letter-spacing: -0.02em; }
.kpi-card .k-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.delta { font-size: 12px; font-weight: 700; }
.delta.up { color: var(--success); }
.delta.down { color: var(--danger); }
.delta.flat { color: var(--muted); }

.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.panel-title { margin: 0 0 14px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* funnel */
.funnel-row { display: grid; grid-template-columns: 120px 1fr 96px; align-items: center; gap: 10px; margin-bottom: 9px; }
.funnel-label { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.funnel-row svg.bar { width: 100%; height: 16px; display: block; border-radius: 6px; overflow: hidden; }
.funnel-val { font-size: 12px; color: var(--muted); text-align: right; }
.funnel-val b { color: var(--text); }

/* line chart */
.chart-svg { width: 100%; height: auto; display: block; }
.legend { display: flex; gap: 16px; margin-top: 10px; font-size: 12px; color: var(--muted); }
.legend .dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: middle; }

/* source donut */
.source-wrap { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.source-legend { display: flex; flex-direction: column; gap: 7px; font-size: 13px; flex: 1; min-width: 140px; }
.source-legend .row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.source-legend .lname { display: flex; align-items: center; gap: 8px; text-transform: capitalize; }
.source-legend .swatch { width: 11px; height: 11px; border-radius: 3px; }

/* stale + activity lists */
.mini-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.mini-item:last-child { border-bottom: none; }
.mini-item .m-main { cursor: pointer; }
.mini-item .m-main:hover .m-name { color: var(--indigo-2); }
.mini-item .m-name { font-weight: 600; }
.mini-item .m-sub { font-size: 11px; color: var(--muted); margin-top: 2px; }
.mini-item .m-right { font-size: 12px; color: var(--muted); white-space: nowrap; }
.mini-item .m-right.warn { color: #fbbf24; }
.feed-item { padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.feed-item:last-child { border-bottom: none; }
.feed-item .f-when { color: var(--muted); font-size: 11px; }
.panel-empty { color: var(--muted); font-size: 13px; padding: 8px 0; }

@media (max-width: 900px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .dash-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .topbar { gap: 10px; }
  .tabs { order: 3; }
  .grid2 { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .kpi-card .k-value { font-size: 22px; }
  .funnel-row { grid-template-columns: 92px 1fr 78px; }
}