/* Unified chat + offer cards — Design System tokens */
.chat-layout { min-height: 480px; }
.chat-page-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4, 16px); flex-wrap: wrap; }

.chat-sidebar__item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: var(--space-3, 12px); border-radius: var(--radius-md, 8px);
  text-decoration: none; color: inherit; border: 1px solid transparent;
}
.chat-sidebar__item:hover { background: var(--color-bg-subtle, #f3f3f3); }
.chat-sidebar__item--active { background: var(--color-primary-light, #fae6e7); border-color: var(--color-border, #d0d0d0); }
.chat-sidebar__badge { flex-shrink: 0; }

.chat-main { display: flex; flex-direction: column; min-height: 520px; }
.chat-thread {
  flex: 1; overflow-y: auto; max-height: min(60vh, 520px);
  padding: var(--space-2, 8px) 0;
}

.chat-bubble {
  max-width: 85%; padding: var(--space-3, 12px) var(--space-4, 16px);
  border-radius: var(--radius-md, 8px); background: var(--color-bg-subtle, #f3f3f3);
  align-self: flex-start;
}
.chat-bubble--self { align-self: flex-end; background: var(--color-primary-light, #fae6e7); }
.chat-bubble--offer { max-width: 100%; background: transparent; padding: 0; }

.chat-system-message {
  text-align: center; font-size: var(--font-size-sm, 12px); color: var(--color-text-muted, #6c6c6c);
  padding: var(--space-2, 8px); margin: var(--space-2, 8px) 0;
}

.chat-compose { margin-top: auto; border-top: 1px solid var(--color-border, #d0d0d0); padding-top: var(--space-4, 16px); }
.chat-compose__row { display: flex; gap: var(--space-3, 12px); align-items: flex-end; }

/* Offer card — Fiverr-style */
.offer-card {
  border: 1px solid var(--color-border, #d0d0d0);
  border-radius: var(--radius-md, 8px);
  background: var(--color-bg, #fff);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,.1));
  padding: var(--space-5, 24px);
  max-width: 420px;
}
.offer-card__header { display: flex; gap: var(--space-3, 12px); align-items: flex-start; margin-bottom: var(--space-4, 16px); }
.offer-card__logo {
  width: 48px; height: 48px; border-radius: var(--radius-md, 8px);
  background: var(--color-primary, #8c0605); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0;
}
.offer-card__headline { flex: 1; min-width: 0; }
.offer-card__title { margin: 0 0 4px; font-size: var(--font-size-lg, 20px); line-height: 1.3; }
.offer-card__seller { margin: 0; font-size: var(--font-size-sm, 12px); color: var(--color-text-muted, #6c6c6c); }
.offer-card__status { flex-shrink: 0; }

.offer-card__message { font-size: var(--font-size-base, 14px); margin-bottom: var(--space-4, 16px); color: var(--color-text-muted, #6c6c6c); }

.offer-card__meta {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3, 12px);
  padding: var(--space-4, 16px) 0; border-top: 1px solid var(--color-border, #d0d0d0);
  border-bottom: 1px solid var(--color-border, #d0d0d0); margin-bottom: var(--space-4, 16px);
}
.offer-card__meta-label { display: block; font-size: var(--font-size-sm, 12px); color: var(--color-text-muted, #6c6c6c); }
.offer-card__price { color: var(--color-primary, #8c0605); font-size: var(--font-size-lg, 20px); }

.offer-card__included-label { font-weight: var(--font-weight-medium, 500); font-size: var(--font-size-sm, 12px); text-transform: uppercase; letter-spacing: .04em; }
.offer-card__included-list { list-style: none; padding: 0; margin: var(--space-2, 8px) 0 0; }
.offer-card__included-list li { padding: 4px 0; font-size: var(--font-size-base, 14px); }
.offer-card__included-list .fa-check { color: var(--color-success, #00b22d); margin-right: 6px; }

.offer-card__packages { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: var(--space-3, 12px); }
.offer-card__package {
  padding: 6px 10px; border: 1px solid var(--color-border, #d0d0d0); border-radius: var(--radius-sm, 4px);
  font-size: var(--font-size-sm, 12px);
}
.offer-card__package-tier { font-weight: 600; margin-right: 6px; }

.offer-card__attachments { display: flex; flex-wrap: wrap; gap: 8px; margin: var(--space-3, 12px) 0; }
.offer-card__attachment {
  font-size: var(--font-size-sm, 12px); padding: 6px 10px;
  background: var(--color-bg-subtle, #f3f3f3); border-radius: var(--radius-sm, 4px); text-decoration: none;
}

.offer-card__actions { display: flex; flex-wrap: wrap; gap: var(--space-2, 8px); margin-top: var(--space-4, 16px); }
.offer-card__expires { font-size: var(--font-size-sm, 12px); color: var(--color-text-muted, #6c6c6c); margin: var(--space-3, 12px) 0 0; }

/* Send offer modal */
.offer-modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 16px; }
.offer-modal[hidden] { display: none !important; }
.offer-modal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.45); }
.offer-modal__panel {
  position: relative; width: min(640px, 100%); max-height: 90vh; overflow-y: auto;
  z-index: 1; margin: 0;
}
.offer-modal__header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4, 16px) var(--space-5, 24px); border-bottom: 1px solid var(--color-border, #d0d0d0); }
.offer-modal__close { background: none; border: none; font-size: 24px; cursor: pointer; line-height: 1; }
.offer-modal__body { padding: var(--space-5, 24px); }
.offer-modal__footer { display: flex; justify-content: flex-end; gap: var(--space-3, 12px); padding-top: var(--space-4, 16px); border-top: 1px solid var(--color-border, #d0d0d0); }
.offer-modal__pricing-toggle { display: flex; gap: var(--space-4, 16px); flex-wrap: wrap; }
.offer-modal__package-tier { border: 1px solid var(--color-border, #d0d0d0); border-radius: var(--radius-sm, 4px); padding: var(--space-2, 8px) var(--space-3, 12px); margin-bottom: 8px; }
.offer-modal__package-tier summary { cursor: pointer; font-weight: 500; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

@media (max-width: 768px) {
  .chat-layout { grid-template-columns: 1fr !important; }
  .chat-sidebar { max-height: 200px; overflow-y: auto; }
  .offer-card { max-width: 100%; }
  .offer-card__meta { grid-template-columns: 1fr 1fr; }
  .offer-card__meta-item--price { grid-column: 1 / -1; }
}