:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #dde1e6;
  --text: #1f2430;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }

.screen { min-height: 100vh; }

/* Login */
.login-box {
  max-width: 340px;
  margin: 10vh auto;
  background: var(--panel);
  padding: 32px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-box h1 { margin: 0 0 8px; font-size: 22px; }
.login-box label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.login-box input { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
.login-box button { margin-top: 6px; }
.error { color: var(--danger); font-size: 13px; }

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar-right { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }

/* Section nav */
.section-nav { display: flex; gap: 4px; padding: 14px 24px 0; border-bottom: 1px solid var(--border); }
.section-btn {
  background: transparent; color: var(--muted); border: none; border-bottom: 2px solid transparent;
  padding: 8px 4px; margin-right: 20px; font-size: 14px; font-weight: 600; cursor: pointer; border-radius: 0;
}
.section-btn:hover { background: transparent; color: var(--text); }
.section-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.lead-link {
  background: #eef2ff; border: 1px solid #c7d2fe; color: #3730a3;
  padding: 8px 12px; border-radius: 6px; font-size: 13px;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}
.tabs { display: flex; gap: 6px; }
.tab-btn {
  background: transparent;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
}
.tab-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
button:hover { background: var(--accent-hover); }
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
button.secondary:hover { background: #f0f1f3; }
button.danger { background: var(--danger); }
button.danger:hover { background: var(--danger-hover); }
button.icon-btn { background: transparent; color: var(--muted); font-size: 20px; padding: 0 6px; line-height: 1; }
button.icon-btn:hover { color: var(--text); }

/* Table */
.table-wrap { padding: 0 24px 40px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 8px; overflow: hidden; min-width: 1100px; }
thead th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
  white-space: nowrap;
}
tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
tbody tr { cursor: pointer; }
tbody tr:hover { background: #f7f9fc; }
.empty-state { padding: 40px; text-align: center; color: var(--muted); }
.chart-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 4vh 16px; overflow-y: auto; z-index: 50;
}
.modal {
  background: var(--panel); border-radius: 10px; width: 100%; max-width: 760px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { margin: 0; font-size: 17px; }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 16px;
}
.form-grid label, .notes-grid label, .full-width {
  display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted);
}
.form-grid input, .notes-grid textarea, .full-width textarea, .full-width input {
  padding: 7px 9px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; color: var(--text); font-family: inherit;
}
.checkbox-label { flex-direction: row !important; align-items: center; gap: 8px !important; font-size: 13px; }
.form-grid input[readonly] { background: #f0f1f3; color: var(--muted); }
.notes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

#keepa-editor { min-height: 180px; background: white; }

.modal-footer { display: flex; align-items: center; gap: 10px; padding-top: 8px; border-top: 1px solid var(--border); }
.spacer { flex: 1; }

@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr 1fr; }
  .notes-grid { grid-template-columns: 1fr; }
}