.commercial-nav {
  display: flex;
  gap: 30px;
  margin: -16px -4vw 30px;
  padding: 0 4vw;
  border-bottom: 1px solid var(--line);
  overflow: auto;
}

/* Adaptación para móviles verticales estrechos (9:21). */
@media (max-width: 520px) {
  .commercial-nav { gap: 8px; margin: -12px -18px 20px; padding: 0 18px; scrollbar-width: none; }
  .commercial-nav::-webkit-scrollbar { display: none; }
  .commercial-nav a { padding: 11px 8px; font-size: 13px; }
  .commercial-heading { display: grid; margin-bottom: 16px; }
  .head-actions { display: grid; grid-template-columns: 1fr; gap: 8px; }
  .head-actions .button, .page-head > .button { width: 100%; text-align: center; padding: 11px 12px; }
  .visual-legend { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding: 10px; margin-bottom: 14px; font-size: 11px; }
  .visual-legend > strong { grid-column: 1 / -1; }
  .visual-legend span { min-width: 0; line-height: 1.15; }
  .visual-legend span:last-child { grid-column: 1 / -1; }
  .visual-legend .entity-avatar, .visual-legend .owner-avatar { width: 25px; height: 25px; font-size: 8px; }
  .entity-avatar { width: 30px; height: 30px; font-size: 9px; }
  .entity-avatar.large { width: 44px; height: 44px; font-size: 12px; }
  .entity-avatar.xlarge { width: 58px; height: 58px; font-size: 16px; }
  .owner-avatar { width: 30px; height: 30px; font-size: 9px; }
  .kpi-grid { gap: 8px; margin-bottom: 12px; }
  .kpi { min-width: 0; min-height: 98px; padding: 12px; border-radius: 12px; }
  .kpi span { font-size: 12px; line-height: 1.25; }
  .kpi b { font-size: 24px; overflow-wrap: anywhere; }
  .card, .panel, .activity-panel { padding: 14px; border-radius: 14px; }
  .dashboard-main { display: grid; gap: 12px; }
  .panel-head { align-items: flex-start; }
  .panel-head h2 { font-size: 18px; line-height: 1.2; }
  .panel-head > a { white-space: nowrap; font-size: 12px; }
  .commercial-table, .commercial-filters + .table-wrap { overflow: visible; background: transparent; }
  .commercial-table table, .commercial-filters + .table-wrap table, .commercial-table tbody, .commercial-filters + .table-wrap tbody { display: block; width: 100%; }
  .commercial-table thead, .commercial-filters + .table-wrap thead { display: none; }
  .commercial-table tr, .commercial-filters + .table-wrap tr { display: grid; margin-top: 10px; padding: 10px 12px; background: #f8faf7; border: 1px solid var(--line); border-radius: 11px; }
  .commercial-table td, .commercial-filters + .table-wrap td { display: grid; grid-template-columns: minmax(88px, 35%) minmax(0, 1fr); align-items: center; gap: 8px; padding: 7px 0; border: 0; overflow-wrap: anywhere; }
  .commercial-table td::before, .commercial-filters + .table-wrap td::before { color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
  .commercial-table td[colspan], .commercial-filters + .table-wrap td[colspan] { display: block; }
  .commercial-table td[colspan]::before, .commercial-filters + .table-wrap td[colspan]::before { display: none; }
  .dashboard-main section:first-child td:nth-child(1)::before { content: "Cuenta"; }
  .dashboard-main section:first-child td:nth-child(2)::before { content: "Siguiente paso"; }
  .dashboard-main section:first-child td:nth-child(3)::before { content: "Contactar"; }
  .dashboard-main section:first-child td:nth-child(4)::before { content: "Responsable"; }
  .dashboard-main section:first-child td:nth-child(5)::before { content: "Acción"; }
  .dashboard-main section:nth-child(2) td:nth-child(1)::before { content: "Proyecto"; }
  .dashboard-main section:nth-child(2) td:nth-child(2)::before { content: "Cliente"; }
  .dashboard-main section:nth-child(2) td:nth-child(3)::before { content: "Integrador"; }
  .dashboard-main section:nth-child(2) td:nth-child(4)::before { content: "Fase"; }
  .dashboard-main section:nth-child(2) td:nth-child(5)::before { content: "Importe"; }
  .dashboard-main section:nth-child(2) td:nth-child(6)::before { content: "Margen"; }
  .commercial-filters + .table-wrap td:nth-child(1)::before { content: "Proyecto"; }
  .commercial-filters + .table-wrap td:nth-child(2)::before { content: "Cliente final"; }
  .commercial-filters + .table-wrap td:nth-child(3)::before { content: "Integrador"; }
  .commercial-filters + .table-wrap td:nth-child(4)::before { content: "Mayorista"; }
  .commercial-filters + .table-wrap td:nth-child(5)::before { content: "Instaladores"; }
  .commercial-filters + .table-wrap td:nth-child(6)::before { content: "Fase"; }
  .commercial-filters + .table-wrap td:nth-child(7)::before { content: "Importe"; }
  .commercial-filters + .table-wrap td:nth-child(8)::before { content: "Margen"; }
  .commercial-filters + .table-wrap td:nth-child(9)::before { content: "Responsable"; }
  .timeline article, .account-timeline article { grid-template-columns: 30px minmax(0, 1fr); gap: 9px; }
  .timeline p { overflow-wrap: anywhere; }
  .activity-panel { margin-top: 12px; }
  .account-card { grid-template-columns: auto minmax(0, 1fr); gap: 10px; padding: 13px; }
  .account-card > .owner-avatar { grid-column: 1; grid-row: 2; }
  .account-card h2 { font-size: 18px; overflow-wrap: anywhere; }
  .role-chip { font-size: 10px; padding: 3px 7px; }
  .account-hero { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px; }
  .account-hero .head-actions { grid-column: 1 / -1; }
  .account-hero h1 { font-size: 28px; overflow-wrap: anywhere; }
  .detail-grid { gap: 12px; }
  .person-row small { overflow-wrap: anywhere; }
  .segmented { gap: 6px; overflow: auto; scrollbar-width: none; }
  .segmented a { flex: 0 0 auto; padding: 7px 11px; font-size: 12px; }
  .followup-card { grid-template-columns: 30px minmax(0, 1fr); gap: 8px 10px; padding: 12px; }
  .followup-card > time, .followup-card > .owner-avatar, .followup-card > a { grid-column: 2; }
  .followup-card h2 { font-size: 18px; overflow-wrap: anywhere; }
  .commercial-form { padding: 14px; }
  .commercial-form legend { font-size: 19px; }
  .commercial-form .form-grid { gap: 12px; }
  .inline-commercial, .inline-commercial.terms { min-width: 0; }
  .commercial-form button { width: 100%; }
}
.commercial-nav a {
  padding: 14px 3px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.commercial-nav a.active {
  color: #066bff;
  border-bottom: 3px solid #066bff;
  font-weight: 800;
}
.commercial-heading {
  margin-bottom: 18px;
}
.head-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.head-actions .secondary {
  background: #fff;
}
.visual-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 14px;
  margin: 0 0 18px auto;
  width: max-content;
  max-width: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 12px;
}
.visual-legend span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.entity-avatar,
.owner-avatar,
.mini-entity {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  font-style: normal;
  font-weight: 850;
}
.entity-avatar {
  width: 34px;
  height: 34px;
  color: #fff;
  font-size: 11px;
}
.entity-avatar.large {
  width: 54px;
  height: 54px;
  font-size: 15px;
}
.entity-avatar.xlarge {
  width: 72px;
  height: 72px;
  font-size: 20px;
}
.owner-avatar {
  width: 34px;
  height: 34px;
  background: #080b11;
  color: #fff;
  font-size: 11px;
}
.visual-legend .owner-avatar {
  width: 24px;
  height: 24px;
  font-size: 9px;
}
.client {
  background: #1769d2 !important;
  color: #fff !important;
}
.installer {
  background: #3f9961 !important;
  color: #fff !important;
}
.integrator {
  background: #e3812e !important;
  color: #fff !important;
}
.wholesaler {
  background: #7651bb !important;
  color: #fff !important;
}
.manufacturer {
  background: #15a9ad !important;
  color: #fff !important;
}
.neutral {
  background: #77817b !important;
  color: #fff !important;
}
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 18px;
}
.kpi {
  display: grid;
  gap: 6px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 15px;
}
.kpi span {
  color: var(--muted);
}
.kpi b {
  font-size: 34px;
  line-height: 1;
}
.kpi.danger b {
  color: #d73d39;
}
.commercial-dashboard {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(300px, 1fr);
  gap: 18px;
}
.dashboard-main {
  display: grid;
  gap: 18px;
}
.panel {
  padding: 18px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.panel-head h2 {
  margin: 0;
}
.commercial-table {
  overflow: auto;
}
.commercial-table table {
  margin-top: 8px;
}
.due {
  display: inline-block;
  padding: 4px 8px;
  background: #e6f4ea;
  border-radius: 6px;
  white-space: nowrap;
}
.due.overdue {
  background: #fbdedc;
  color: #b3261e;
}
.phase {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 6px;
  background: #e5f1ff;
  color: #165ca8;
  white-space: nowrap;
}
.margin {
  color: #27834a;
  font-weight: 800;
}
.activity-panel {
  padding: 18px;
}
.timeline {
  display: grid;
}
.timeline article {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.timeline article > div {
  display: grid;
  gap: 3px;
}
.timeline a {
  text-decoration: none;
  font-weight: 800;
}
.timeline small {
  color: var(--muted);
}
.timeline p {
  margin: 3px 0;
}
.account-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 14px;
}
.account-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: start;
  color: var(--ink);
  text-decoration: none;
}
.account-card h2 {
  margin: 0 0 8px;
}
.account-card p {
  margin-bottom: 0;
  color: var(--muted);
}
.role-chips {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.role-chip {
  display: inline-block;
  border-radius: 20px;
  padding: 3px 8px;
  font-size: 11px;
}
.commercial-filters {
  grid-template-columns: 2fr 1fr auto;
}
.inline-commercial {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}
.inline-commercial.terms {
  grid-template-columns: repeat(3, minmax(150px, 1fr));
}
.account-hero {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
}
.account-hero > div:nth-child(2) {
  flex: 1;
}
.account-hero h1 {
  margin: 4px 0 10px;
}
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}
.person-row,
.terms-summary {
  display: grid;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.person-row span,
.person-row small,
.terms-summary span {
  color: var(--muted);
}
.account-timeline article {
  grid-template-columns: 36px 1fr;
}
.segmented {
  display: flex;
  gap: 4px;
  margin-bottom: 18px;
}
.segmented a {
  padding: 8px 14px;
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
}
.segmented a.active {
  background: var(--ink);
  color: #fff;
}
.followup-list {
  display: grid;
  gap: 10px;
}
.followup-card {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
}
.followup-card h2,
.followup-card p {
  margin: 0;
}
.followup-card time {
  white-space: nowrap;
}
.overdue-card {
  border-left: 5px solid #d85a55;
}
.mini-entity {
  width: 25px;
  height: 25px;
  margin-right: 6px;
  font-size: 8px;
}
.commercial-form select[multiple] {
  min-height: 130px;
}
@media (max-width: 900px) {
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
  }
  .commercial-dashboard,
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .activity-panel {
    order: 2;
  }
  .inline-commercial,
  .inline-commercial.terms {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .commercial-nav {
    margin-top: -10px;
    gap: 20px;
  }
  .visual-legend {
    justify-content: flex-start;
    width: 100%;
  }
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
  }
  .kpi {
    padding: 15px;
  }
  .kpi b {
    font-size: 27px;
  }
  .commercial-dashboard {
    display: block;
  }
  .dashboard-main {
    margin-bottom: 14px;
  }
  .account-grid {
    grid-template-columns: 1fr;
  }
  .account-hero {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .account-hero .head-actions {
    width: 100%;
  }
  .inline-commercial,
  .inline-commercial.terms {
    grid-template-columns: 1fr;
  }
  .followup-card {
    grid-template-columns: auto 1fr auto;
  }
  .followup-card time,
  .followup-card > a {
    grid-column: 2;
  }
  .commercial-filters {
    grid-template-columns: 1fr;
  }
  .head-actions {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .visual-legend { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); justify-content: initial; }
  .commercial-heading { display: grid; }
  .head-actions { display: grid; grid-template-columns: 1fr; }
  .account-hero { display: grid; grid-template-columns: auto minmax(0, 1fr); }
  .followup-card { grid-template-columns: 30px minmax(0, 1fr); }
}