*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  margin: 0;
  overflow-x: hidden;
}

.messages-shell {
  align-items: stretch;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 1rem;
  margin: 0 auto;
  min-width: 0;
  overflow-x: hidden;
  padding: 0.85rem 1rem;
  width: min(100%, 940px);
}

.messages-header,
.messages-inbox-panel,
.messages-modal-content {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  min-width: 0;
  width: 100%;
}

.messages-header {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 0.85rem 1rem;
}

.messages-header h1,
.messages-panel-title h2,
.messages-modal-header h2,
.conversation-topbar h2,
.messages-modal-content h2 {
  color: #0f172a;
  letter-spacing: 0;
  margin: 0;
}

.messages-header h1 {
  font-size: 1.3rem;
}

.messages-header p,
.messages-modal-header p,
.conversation-topbar p,
.messages-modal-note {
  color: #64748b;
  line-height: 1.35;
  margin: 0.25rem 0 0;
}

.messages-header-actions,
.conversation-actions,
.messages-modal-actions.row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  min-width: 0;
}

.messages-inbox-panel {
  overflow: hidden;
}

.messages-panel-title {
  align-items: center;
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
  display: flex;
  justify-content: space-between;
  padding: 0.85rem 1rem;
}

.messages-panel-title h2,
.messages-modal-header h2,
.conversation-topbar h2,
.messages-modal-content h2 {
  font-size: 1rem;
}

.message-list {
  display: grid;
  max-height: calc(100vh - 260px);
  min-height: 14rem;
  overflow: auto;
}

.search-results {
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  max-height: min(45vh, 360px);
  min-height: 12rem;
}

.messages-empty,
.messages-error {
  color: #64748b;
  margin: 0;
  padding: 1rem;
}

.messages-error {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  color: #9a3412;
}

.messages-row,
.message-bubble-wrap {
  border: 0;
  font: inherit;
}

.messages-row {
  align-items: center;
  background: #fff;
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
  color: #0f172a;
  cursor: pointer;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  min-height: 3.75rem;
  padding: 0.75rem 0.9rem;
  text-align: left;
  width: 100%;
}

.messages-row > span:first-child {
  min-width: 0;
}

.messages-row:hover,
.messages-row:focus-visible {
  background: #eef8fc;
  outline: none;
}

.messages-row strong,
.messages-row small {
  display: block;
}

.messages-row strong {
  font-weight: 700;
}

.messages-row small {
  color: #64748b;
  line-height: 1.35;
  margin-top: 0.2rem;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conversation-time {
  color: #64748b;
  flex: 0 0 auto;
  font-size: 0.78rem;
  text-align: right;
}

.messages-input,
.messages-textarea {
  border: 1px solid var(--asn-input-border, #cbd5e1);
  border-radius: 0.3125rem;
  color: var(--asn-input-text, #0f172a);
  font: inherit;
  padding: 0.625rem;
  width: 100%;
}

.messages-input:focus,
.messages-textarea:focus {
  border-color: var(--asn-accent, #0066cc);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.14);
  outline: none;
}

.messages-textarea {
  max-height: 9rem;
  min-height: 2.5rem;
  resize: vertical;
}

.messages-btn,
.messages-icon-btn {
  border: 0;
  border-radius: 0.3125rem;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.messages-btn {
  background: var(--asn-button-bg, #333);
  color: var(--asn-button-text, #fff);
  font-size: 1rem;
  min-height: 2.25rem;
  padding: 0.5rem 0.75rem;
}

.messages-btn.secondary {
  background: var(--asn-surface-muted, #e2e8f0);
  color: var(--asn-text, #0f172a);
}

.messages-btn.danger {
  background: var(--asn-danger, #e74c3c);
  color: #fff;
}

.messages-btn:hover,
.messages-btn:focus-visible {
  background: var(--asn-button-hover, #555);
  outline: none;
}

.messages-btn.secondary:hover,
.messages-btn.secondary:focus-visible {
  background: var(--asn-border-soft, #cbd5e1);
}

.messages-btn.danger:hover,
.messages-btn.danger:focus-visible {
  background: var(--asn-danger-hover, #c0392b);
}

.messages-btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.messages-icon-btn {
  align-items: center;
  background: transparent;
  color: #64748b;
  display: inline-flex;
  justify-content: center;
  min-height: 1.9rem;
  min-width: 1.9rem;
  padding: 0;
}

.messages-icon-btn:hover,
.messages-icon-btn:focus-visible {
  background: var(--asn-surface-muted, #e2e8f0);
  color: var(--asn-text-strong, #0f172a);
  outline: none;
}

.messages-modal {
  align-items: center;
  background: rgba(15, 23, 42, 0.48);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 1rem;
  position: fixed;
  z-index: 1000;
}

.messages-modal[hidden],
[hidden] {
  display: none !important;
}

.messages-modal-content {
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.24);
  display: grid;
  gap: 0.85rem;
  max-height: calc(100vh - 2rem);
  max-width: 430px;
  overflow: auto;
  padding: 1rem;
  width: min(100%, 430px);
}

.messages-modal-header,
.conversation-topbar {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.new-conversation-content {
  width: min(100%, 560px);
}

.selected-recipient-bar {
  align-items: center;
  background: #eef8fc;
  border: 1px solid rgba(0, 119, 182, 0.14);
  border-radius: 8px;
  display: flex;
  gap: 0.6rem;
  justify-content: space-between;
  padding: 0.65rem;
}

.selected-recipient-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.recipient-chip {
  background: #fff;
  border: 1px solid rgba(0, 119, 182, 0.2);
  border-radius: 999px;
  color: #0f172a;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  padding: 0.4rem 0.65rem;
}

.recipient-chip span {
  color: #64748b;
  margin-left: 0.25rem;
}

.conversation-modal-content {
  grid-template-rows: auto minmax(0, 1fr) auto;
  height: min(86vh, 760px);
  width: min(920px, calc(100vw - 2rem));
  overflow: hidden;
  padding: 0;
}

.conversation-topbar {
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
  padding: 1rem;
}

.message-thread {
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow: auto;
  padding: 1rem;
}

.message-bubble-wrap {
  align-items: flex-end;
  background: transparent;
  cursor: pointer;
  display: flex;
  gap: 0.5rem;
  padding: 0;
  text-align: left;
  width: 100%;
}

.message-bubble-wrap.mine {
  justify-content: flex-end;
}

.message-bubble {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  color: #0f172a;
  display: block;
  line-height: 1.4;
  max-width: min(76%, 560px);
  padding: 0.75rem 0.9rem;
  white-space: pre-wrap;
}

.message-bubble-wrap.mine .message-bubble {
  background: #0077b6;
  border-color: #0077b6;
  color: #fff;
}

.message-meta {
  color: #64748b;
  display: block;
  font-size: 0.78rem;
  margin-top: 0.35rem;
}

.message-bubble-wrap.mine .message-meta {
  color: rgba(255, 255, 255, 0.78);
}

.like-pill {
  color: #0077b6;
  flex: 0 0 2.6rem;
  font-size: 0.78rem;
  line-height: 1.15;
  min-height: 1px;
  text-align: center;
}

.message-compose {
  background: #fff;
  border-top: 1px solid rgba(15, 23, 42, 0.1);
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 1rem;
}

.reply-preview {
  align-items: center;
  background: #f1f5f9;
  border-radius: 8px;
  display: flex;
  grid-column: 1 / -1;
  gap: 0.75rem;
  justify-content: space-between;
  padding: 0.75rem;
}

.reply-preview p {
  color: #64748b;
  margin: 0.2rem 0 0;
}

.messages-modal-actions {
  display: grid;
  gap: 0.6rem;
}

@media (max-width: 720px) {
  .messages-shell {
    max-width: 100%;
    padding: 0.75rem;
  }

  .messages-header,
  .messages-modal-header,
  .conversation-topbar,
  .selected-recipient-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .messages-header-actions,
  .conversation-actions,
  .messages-modal-actions.row {
    align-items: stretch;
    flex-direction: column;
  }

  .messages-header-actions .messages-btn,
  .conversation-actions .messages-btn,
  .messages-modal-actions.row .messages-btn {
    width: 100%;
  }

  .message-list {
    max-height: calc(100vh - 300px);
  }

  .messages-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .messages-row small {
    overflow-wrap: anywhere;
    white-space: normal;
  }

  .conversation-time {
    text-align: left;
  }

  .messages-modal {
    align-items: stretch;
    padding: 0.75rem;
  }

  .messages-modal-content {
    max-height: calc(100vh - 1.5rem);
    width: 100%;
  }

  .conversation-modal-content {
    height: calc(100vh - 1.5rem);
    width: 100%;
  }

  .message-bubble {
    max-width: 84%;
  }

  .message-compose {
    grid-template-columns: 1fr;
  }

  .message-compose .messages-btn {
    width: 100%;
  }
}