.business-support-layout {
  --support-accent: var(--teal, var(--brand, #65dce9));
  --support-selected: #153344;
  display: grid;
  grid-template-columns: minmax(230px, .65fr) minmax(0, 1.55fr);
  gap: clamp(12px, 2vw, 24px);
  align-items: start;
}
.business-support-layout [hidden] { display: none !important; }
.business-support-panel {
  min-inline-size: 0;
  padding: clamp(16px, 2.5vw, 26px);
  border: 1px solid var(--line, #2a3b50);
  border-radius: var(--round, var(--radius, 18px));
  background: var(--paper, var(--panel, #121d2a));
  box-shadow: var(--shadow, 0 14px 28px #0003);
}
.business-support-panel h2 { margin-block: 0 .7rem; overflow-wrap: anywhere; }
.business-support-actions,
.business-support-detail-bar,
.business-support-message-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  align-items: center;
  justify-content: space-between;
}
.business-support-actions { justify-content: flex-start; }
.business-support-list,
.business-support-messages {
  display: grid;
  gap: .55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.business-support-list {
  max-block-size: min(380px, 43dvh);
  overflow-y: auto;
  margin-block: .9rem;
}
.business-support-ticket {
  display: grid;
  gap: .3rem;
  inline-size: 100%;
  min-block-size: 52px;
  padding: .7rem .8rem;
  border: 1px solid var(--border-control, #415670);
  border-radius: 11px;
  color: var(--ink, #eef4f9);
  background: var(--surface-inset, #0f1824);
  text-align: start;
  font: inherit;
  overflow-wrap: anywhere;
  cursor: pointer;
}
.business-support-ticket:hover,
.business-support-ticket[aria-pressed='true'] {
  border-color: var(--support-accent);
  background: var(--support-selected);
}
.business-support-muted { color: var(--muted, #a5b6c9); }
.business-support-notice {
  margin-block: 0 1rem;
  padding: .65rem .85rem;
  border: 1px solid var(--cyan-border, #2b596e);
  border-radius: 9px;
  background: var(--support-selected);
  color: var(--ink, #eef4f9);
}
.business-support-error {
  border-color: var(--red, #ffafaf);
  color: var(--red, #ffafaf);
  background: var(--red-surface, #402531);
}
.business-support-form { display: grid; gap: .85rem; }
.business-support-form .button { justify-self: start; }
.business-support-label { display: grid; gap: .35rem; font-weight: 650; }
.business-support-form :is(input, select, textarea) {
  box-sizing: border-box;
  inline-size: 100%;
  min-block-size: 44px;
  padding: .75rem;
  color: var(--ink, #eef4f9);
  background: var(--surface-inset, #0f1824);
  border: 1px solid var(--border-control, #415670);
  border-radius: 10px;
  font: inherit;
  font-weight: normal;
}
.business-support-form textarea { resize: vertical; }
.business-support-layout :is(button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--support-accent);
  outline-offset: 2px;
}
.business-support-history {
  min-block-size: 8rem;
  max-block-size: min(420px, 43dvh);
  overflow: auto;
  margin-block: .8rem;
  padding: .7rem;
  border-radius: 12px;
  background: var(--surface-inset, #0f1824);
  border: 1px solid var(--line, #2a3b50);
  overscroll-behavior-block: contain;
}
.business-support-messages { gap: .8rem; }
.business-support-message {
  box-sizing: border-box;
  inline-size: fit-content;
  max-inline-size: min(86%, 46rem);
  margin-inline-end: auto;
  padding: .7rem .85rem;
  border: 1px solid var(--line, #2a3b50);
  border-radius: 12px;
  background: var(--surface-raised, #1a283a);
}
.business-support-message.is-customer { margin-inline: auto 0; background: var(--support-selected); }
.business-support-message.is-owner { border-color: var(--cyan-border, #2b596e); }
.business-support-message.is-bot { border-color: var(--border-control, #415670); }
.business-support-message-meta { font-size: .79rem; color: var(--muted, #a5b6c9); }
.business-support-message.is-bot .business-support-message-meta strong { color: var(--blue, #a4c7fe); }
.business-support-message p { margin-block: .35rem 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.business-support-layout .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 44px;
  padding: .42rem .9rem;
  border: 1px solid var(--border-control, #4a6374);
  border-radius: 10px;
  background: var(--surface-raised, #162838);
  color: var(--ink, #eef4f9);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.business-support-layout .button:hover { background: var(--surface-hover, #234052); }
.business-support-layout .button.primary {
  border-color: var(--support-accent);
  background: var(--support-accent);
  color: var(--teal-ink, #092420);
}
.business-support-layout .button.primary:hover { filter: brightness(1.12); }
.business-support-layout .button:disabled { cursor: wait; opacity: .6; }
@media (max-width: 740px) {
  .business-support-layout { grid-template-columns: minmax(0, 1fr); }
  .business-support-list { max-block-size: 200px; }
  .business-support-panel { padding: 14px; }
  .business-support-message { max-inline-size: 93%; }
}