/**
 * eXthus — shared sidebar navigation (Client Ops, Admin, Portal, SERP, …)
 */

.co-shell,
.admin-shell,
.portal-shell,
.serp-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.co-sidebar,
.admin-sidebar {
  position: sticky;
  top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.co-sidebar-block {
  background: var(--exthus-surface-elevated, #fff);
  border: 1px solid var(--exthus-line, var(--sys-line, #e2e8f0));
  border-radius: 20px;
  padding: 16px 12px;
  box-shadow: var(--exthus-shadow-md, var(--sys-shadow, 0 12px 40px rgba(15, 23, 42, 0.08)));
}

.co-sidebar-block--client .co-sidebar-title-row .co-sidebar-title {
  color: #14532d;
}

.co-sidebar-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  padding: 0 10px 10px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.co-sidebar-title-row--split {
  justify-content: space-between;
  flex-wrap: wrap;
}

.co-sidebar-block--client .co-sidebar-title-row {
  align-items: flex-start;
}

.co-sidebar-block--client .co-nav-icon--title {
  margin-top: 1px;
}

.co-sidebar-title-text {
  flex: 1;
  min-width: 0;
}

.co-sidebar-title-row .co-sidebar-title {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: #0f172a;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.co-sidebar-subtitle {
  margin: 2px 0 0;
  padding: 0;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: #64748b;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.co-sidebar-block--client .co-sidebar-subtitle {
  color: #4d7c0f;
  opacity: 0.88;
}

.co-sidebar-title {
  margin: 0 0 10px;
  padding: 0 10px 10px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #64748b;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.co-nav-icon {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid rgba(15, 23, 42, 0.07);
  color: #64748b;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.co-nav-icon svg {
  width: 16px;
  height: 16px;
  display: block;
}

.co-nav-icon--title {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 9px;
}

.co-nav-icon--title svg {
  width: 14px;
  height: 14px;
}

.co-nav-icon--client {
  background: linear-gradient(145deg, #f0fdf4 0%, #ecfccb 100%);
  border-color: rgba(143, 224, 0, 0.2);
  color: #4d7c0f;
}

.co-sidebar-link .co-nav-icon,
.co-client-nav-link .co-nav-icon {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border-radius: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  color: #94a3b8;
}

.co-sidebar-link .co-nav-icon svg,
.co-client-nav-link .co-nav-icon svg {
  width: 13px;
  height: 13px;
  opacity: 0.9;
}

.co-sidebar-link .co-nav-icon--client,
.co-client-nav-link .co-nav-icon--client {
  background: transparent;
  border: none;
  color: #94a3b8;
}

.co-nav-link-label {
  flex: 1;
  min-width: 0;
  line-height: 1.35;
}

.co-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0 0 0 8px;
  list-style: none;
}

.co-sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px 9px 16px;
  border-radius: 12px;
  text-decoration: none;
  color: #334155;
  font-size: 13px;
  font-weight: 750;
  border: 1px solid transparent;
  transition: background 0.14s ease, border-color 0.14s ease, box-shadow 0.14s ease, color 0.14s ease;
}

.co-sidebar-link:hover {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.06);
}

.co-sidebar-link:hover .co-nav-icon {
  color: #64748b;
}

.co-sidebar-link.is-active {
  background: #f0fdf4;
  border-color: rgba(143, 224, 0, 0.35);
  color: #166534;
  box-shadow: 0 4px 14px rgba(143, 224, 0, 0.1);
}

.co-sidebar-link.is-active .co-nav-icon {
  color: #4d7c0f;
}

.co-client-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px 8px 16px;
  border-radius: 12px;
  text-decoration: none;
  color: #475569;
  font-size: 12px;
  font-weight: 750;
  border: 1px solid transparent;
  transition: background 0.14s ease, border-color 0.14s ease, color 0.14s ease, box-shadow 0.14s ease;
}

.co-client-nav-link:hover {
  background: #f8fafc;
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.06);
}

.co-client-nav-link:hover .co-nav-icon {
  color: #64748b;
}

.co-client-nav-link.is-active {
  background: #f0fdf4;
  border-color: rgba(143, 224, 0, 0.35);
  color: #166534;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(143, 224, 0, 0.12);
}

.co-client-nav-link.is-active .co-nav-icon {
  color: #4d7c0f;
}

.co-sidebar-empty {
  margin: 0 10px;
  font-size: 13px;
  color: #64748b;
  line-height: 1.5;
}

.co-main,
.admin-content,
.portal-main {
  min-width: 0;
}

@media (max-width: 960px) {
  .co-shell,
  .admin-shell,
  .portal-shell,
  .serp-shell {
    grid-template-columns: 1fr;
  }

  .co-sidebar,
  .admin-sidebar {
    position: static;
  }

  .co-sidebar-nav,
  .co-client-section-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 8px;
  }

  .co-client-nav-link,
  .co-sidebar-link {
    font-size: 12px;
    padding: 8px 10px 8px 14px;
  }
}