.comm-shell-note,
.comm-summary-grid,
.comm-filter-row,
.comm-list,
.comm-timeline,
.comm-quick-replies,
.comm-preview-stack {
  display: grid;
  gap: var(--space-3);
}

.comm-summary-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.comm-summary-card,
.comm-card,
.push-preview-card,
.chat-preview-card,
.comm-empty-state,
.comm-kit-card {
  padding: var(--mobile-card-pad);
}

.kit-hero-panel {
  position: relative;
  overflow: hidden;
  margin-top: var(--space-2);
  padding: var(--space-5);
  border: 1px solid color-mix(in srgb, var(--cdx-primary) 16%, var(--cdx-border));
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 100% 0%, rgba(6, 182, 212, 0.18), transparent 8rem),
    radial-gradient(circle at 0% 10%, rgba(37, 99, 235, 0.16), transparent 9rem),
    var(--cdx-surface);
  box-shadow: var(--shadow-card);
}

.kit-card {
  display: grid;
  gap: var(--space-3);
}

.kit-card.gradient-brand h3,
.kit-card.gradient-brand p {
  color: #ffffff;
}

.kit-card.gradient-brand p {
  opacity: 0.82;
}

.kit-card-head,
.kit-avatar-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.kit-avatar-row {
  flex-wrap: wrap;
}

.kit-avatar-row small {
  display: block;
  color: var(--cdx-muted);
  font-size: var(--text-xs);
  font-weight: 750;
}

.kit-button-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.kit-inline-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.loader-dot {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.42);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 760ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.comm-summary-card strong {
  display: block;
  color: var(--cdx-ink);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1;
  font-weight: 900;
}

.comm-summary-card {
  position: relative;
  overflow: hidden;
  min-height: 108px;
  display: grid;
  align-content: end;
  gap: 0.35rem;
  border-color: color-mix(in srgb, var(--cdx-primary) 14%, var(--cdx-border));
  background:
    radial-gradient(circle at 100% 0%, rgba(6, 182, 212, 0.16), transparent 5.8rem),
    linear-gradient(180deg, color-mix(in srgb, var(--cdx-surface) 92%, transparent), color-mix(in srgb, var(--cdx-primary) 4%, var(--cdx-surface)));
  box-shadow: var(--shadow-xs);
}

.comm-summary-card::before {
  position: absolute;
  top: 0.72rem;
  right: 0.72rem;
  min-width: 58px;
  min-height: 26px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.62rem;
  background: color-mix(in srgb, var(--cdx-primary) 10%, var(--cdx-surface));
  color: var(--cdx-primary-700);
  font-size: var(--text-xs);
  font-weight: 900;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cdx-primary) 12%, transparent);
  content: "Active";
}

.comm-summary-card[data-summary-icon="class"]::before {
  content: "Class";
}

.comm-summary-card[data-summary-icon="subject"]::before {
  content: "Thread";
}

.comm-summary-card span,
.comm-card p,
.push-preview-card p,
.chat-preview-card p,
.comm-empty-state p,
.comm-kit-card p {
  color: var(--cdx-muted);
  font-size: var(--text-sm);
}

.comm-filter-row,
.comm-quick-replies {
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  overflow-x: auto;
  padding-bottom: 0.15rem;
  scrollbar-width: none;
}

.comm-filter-row::-webkit-scrollbar,
.comm-quick-replies::-webkit-scrollbar {
  display: none;
}

.comm-chip,
.quick-reply-chip {
  min-height: 34px;
  border: 1px solid var(--cdx-border);
  border-radius: var(--radius-pill);
  background:
    linear-gradient(180deg, var(--cdx-surface), color-mix(in srgb, var(--cdx-surface-2) 62%, var(--cdx-surface)));
  color: var(--cdx-text);
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
  font-weight: 900;
  white-space: nowrap;
}

.comm-chip.is-active,
.quick-reply-chip.is-active {
  border-color: color-mix(in srgb, var(--cdx-primary) 36%, var(--cdx-border));
  background: var(--brand-gradient);
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.18);
}

.comm-card {
  display: grid;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
  border-color: color-mix(in srgb, var(--cdx-primary) 10%, var(--cdx-border));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--cdx-surface) 94%, transparent), color-mix(in srgb, var(--cdx-surface-2) 72%, var(--cdx-surface)));
  box-shadow: var(--shadow-xs);
}

.notification-hero,
.urgent-alert-card {
  position: relative;
  overflow: hidden;
  border-color: color-mix(in srgb, var(--cdx-primary) 18%, var(--cdx-border));
  background:
    radial-gradient(circle at 100% 0%, rgba(6, 182, 212, 0.18), transparent 8rem),
    radial-gradient(circle at 0% 0%, rgba(37, 99, 235, 0.14), transparent 8rem),
    var(--cdx-surface);
}

.notification-hero {
  padding: var(--space-5);
  box-shadow: var(--shadow-card-hover);
}

.notification-hero::after {
  position: absolute;
  right: -38px;
  bottom: -52px;
  width: 136px;
  height: 136px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.12);
  content: "";
  pointer-events: none;
}

.urgent-alert-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--mobile-card-pad);
  border-color: color-mix(in srgb, var(--cdx-warning) 28%, var(--cdx-border));
  box-shadow: var(--shadow-card-hover);
}

.notification-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--cdx-muted);
  font-size: var(--text-xs);
  font-weight: 900;
  text-transform: uppercase;
}

.notification-group-title strong {
  color: var(--cdx-primary-700);
}

.comm-card.is-unread {
  border-color: color-mix(in srgb, var(--cdx-primary) 24%, var(--cdx-border));
  background:
    radial-gradient(circle at 100% 0%, rgba(37, 99, 235, 0.14), transparent 6.4rem),
    linear-gradient(180deg, var(--cdx-surface), color-mix(in srgb, var(--cdx-primary) 5%, var(--cdx-surface)));
  box-shadow: var(--shadow-card);
}

.comm-card.is-unread::before {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cdx-primary);
  box-shadow: 0 0 0 5px var(--cdx-primary-soft);
  content: "";
}

.comm-card-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
}

.comm-card-head > span:nth-child(2) {
  min-width: 0;
}

.comm-avatar,
.comm-avatar-sm {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: var(--radius-lg);
  background: var(--brand-gradient);
  color: #ffffff;
  box-shadow: var(--shadow-xs);
  font-family: var(--font-display);
  font-weight: 900;
}

.comm-avatar {
  width: 46px;
  height: 46px;
}

.comm-avatar-sm {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
}

.comm-card h2,
.comm-card h3,
.push-preview-card h3,
.chat-preview-card h3,
.comm-kit-card h3 {
  margin: 0;
  color: var(--cdx-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  line-height: 1.2;
  font-weight: 850;
}

.comm-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.parent-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.unread-badge,
.priority-badge,
.message-status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: var(--radius-pill);
  padding: 0 0.6rem;
  font-size: var(--text-xs);
  font-weight: 900;
}

.unread-badge {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.13), rgba(6, 182, 212, 0.14));
  color: var(--cdx-primary-700);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cdx-primary) 10%, transparent);
}

.priority-badge {
  background: var(--cdx-warning-soft);
  color: var(--cdx-warning);
}

.priority-badge.is-urgent,
.status-danger {
  border-color: color-mix(in srgb, var(--cdx-error) 24%, transparent);
  background: var(--cdx-error-soft);
  color: var(--cdx-error);
}

.message-status {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--cdx-surface) 90%, transparent), var(--cdx-surface-2));
  color: var(--cdx-muted);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cdx-border) 70%, transparent);
}

.comm-thread {
  display: grid;
  gap: var(--space-3);
}

.comm-message-row {
  display: flex;
  gap: var(--space-2);
  align-items: flex-end;
}

.comm-message-row.is-own {
  justify-content: flex-end;
}

.comm-message-bubble {
  max-width: min(82%, 390px);
  border: 1px solid var(--cdx-border);
  border-radius: 18px 18px 18px 6px;
  background:
    linear-gradient(180deg, var(--cdx-surface), color-mix(in srgb, var(--cdx-primary) 4%, var(--cdx-surface)));
  color: var(--cdx-text);
  padding: var(--space-3);
  box-shadow: var(--shadow-xs);
}

.comm-message-row.is-own .comm-message-bubble {
  border-color: color-mix(in srgb, var(--cdx-primary) 26%, var(--cdx-border));
  border-radius: 18px 18px 6px 18px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--cdx-primary) 16%, var(--cdx-surface)), color-mix(in srgb, var(--cdx-cyan) 12%, var(--cdx-surface)));
}

.comm-message-bubble p {
  margin: 0;
  color: inherit;
  font-size: var(--text-sm);
  line-height: 1.45;
}

.comm-message-time {
  display: block;
  margin-top: var(--space-1);
  color: var(--cdx-muted);
  font-size: var(--text-xs);
  font-weight: 750;
}

.attachment-preview,
.comm-attachment-preview,
.voice-note-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 44px;
  border: 1px dashed color-mix(in srgb, var(--cdx-primary) 26%, var(--cdx-border));
  border-radius: var(--radius-md);
  background: var(--cdx-surface-2);
  color: var(--cdx-muted);
  padding: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 800;
}

.voice-note-preview::before {
  width: 54px;
  height: 16px;
  border-radius: var(--radius-pill);
  background:
    linear-gradient(90deg, currentColor 6px, transparent 6px 12px) 0 50% / 12px 10px repeat-x;
  content: "";
  opacity: 0.42;
}

.chat-composer-polished {
  position: sticky;
  bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + var(--space-2));
  z-index: 24;
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  gap: var(--space-2);
  align-items: center;
  padding: var(--space-2);
  border: 1px solid var(--cdx-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--cdx-surface) 94%, transparent), color-mix(in srgb, var(--cdx-primary) 5%, var(--cdx-surface)));
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(14px);
}

.chat-composer-polished .form-control,
.chat-composer-polished input {
  min-height: 42px;
}

.form-label {
  display: block;
  margin: var(--space-3) 0 var(--space-1);
  color: var(--cdx-muted);
  font-size: var(--text-xs);
  font-weight: 900;
}

.confidential-toggle-parent {
  width: 100%;
  min-height: var(--tap-size);
  border: 1px solid var(--cdx-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: var(--cdx-surface);
  color: var(--cdx-text);
  padding: 0 var(--space-3);
  font-weight: 850;
}

.toggle-knob-parent {
  width: 42px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: var(--cdx-surface-3);
  position: relative;
}

.toggle-knob-parent::after {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--cdx-surface);
  box-shadow: var(--shadow-xs);
  content: "";
  transition: transform var(--transition-fast);
}

.confidential-toggle-parent[aria-pressed="true"] .toggle-knob-parent {
  background: var(--cdx-primary);
}

.confidential-toggle-parent[aria-pressed="true"] .toggle-knob-parent::after {
  transform: translateX(18px);
}

.comm-timeline {
  position: relative;
}

.comm-timeline-item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
}

.comm-timeline-pin {
  width: 12px;
  height: 12px;
  margin-top: 0.25rem;
  border: 3px solid var(--cdx-surface);
  border-radius: 50%;
  background: var(--cdx-primary);
  box-shadow: 0 0 0 2px var(--cdx-primary-soft);
}

.push-phone-frame {
  border: 1px solid var(--cdx-border);
  border-radius: 2rem;
  background:
    radial-gradient(circle at 100% 0%, rgba(6, 182, 212, 0.14), transparent 8rem),
    linear-gradient(180deg, var(--cdx-surface-2), var(--cdx-page));
  padding: var(--space-4);
  box-shadow: var(--shadow-card-hover);
}

.push-lockscreen {
  min-height: 420px;
  border: 1px solid var(--cdx-border);
  border-radius: 1.45rem;
  background:
    radial-gradient(circle at 30% 12%, rgba(47, 128, 237, 0.22), transparent 9rem),
    linear-gradient(180deg, var(--cdx-surface), var(--cdx-surface-2));
  padding: var(--space-4);
}

.push-preview-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--cdx-primary) 12%, transparent);
  background:
    radial-gradient(circle at 100% 0%, rgba(37, 99, 235, 0.1), transparent 5.5rem),
    color-mix(in srgb, var(--cdx-surface) 90%, transparent);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.1);
}

.push-preview-card::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cdx-primary);
  box-shadow: 0 0 0 5px var(--cdx-primary-soft);
  content: "";
  position: absolute;
  top: 0.95rem;
  right: 0.95rem;
}

.dark-preview-grid {
  display: grid;
  gap: var(--space-3);
}

.dark-preview-panel {
  padding: var(--mobile-card-pad);
  border: 1px solid var(--cdx-border);
  border-radius: var(--radius-xl);
  background: var(--cdx-surface);
}

.dark-preview-panel.is-dark {
  color-scheme: dark;
  --cdx-ink: #f8fafc;
  --cdx-text: #dde7f4;
  --cdx-muted: #a8b4c6;
  --cdx-border: #28364d;
  --cdx-surface: #121c2e;
  --cdx-surface-2: #172238;
  --cdx-primary-soft: rgba(81, 165, 246, 0.16);
  background: #121c2e;
  color: var(--cdx-text);
}

.comm-empty-state {
  text-align: center;
}

.comm-empty-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-3);
  border-radius: var(--radius-xl);
  display: grid;
  place-items: center;
  background: var(--cdx-primary-soft);
  color: var(--cdx-primary-700);
  font-family: var(--font-display);
  font-weight: 900;
}

.mobile-confirm-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: end center;
  padding: var(--space-4);
  background: rgba(15, 23, 42, 0.44);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.mobile-confirm-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-confirm-dialog {
  width: min(100%, 420px);
  border: 1px solid var(--cdx-border);
  border-radius: var(--radius-xl);
  background: var(--cdx-surface);
  box-shadow: var(--shadow-float);
  padding: var(--space-4);
  transform: translateY(18px) scale(0.98);
  transition: transform var(--transition-fast);
}

.mobile-confirm-backdrop.is-open .mobile-confirm-dialog {
  transform: translateY(0) scale(1);
}

.confirm-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  background: var(--cdx-primary-soft);
  color: var(--cdx-primary-700);
  font-weight: 900;
}

.confirm-action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

@media (max-width: 374px) {
  .comm-summary-grid {
    grid-template-columns: 1fr;
  }

  .comm-card-head {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .comm-card-head > :last-child {
    grid-column: 2;
    justify-self: start;
  }

  .confirm-action-row {
    grid-template-columns: 1fr;
  }
}

html[data-theme="dark"] .comm-chip,
html[data-theme="dark"] .quick-reply-chip,
html[data-theme="dark"] .comm-message-bubble,
html[data-theme="dark"] .push-preview-card,
html[data-theme="dark"] .mobile-confirm-dialog,
body[data-theme="dark"] .comm-chip,
body[data-theme="dark"] .quick-reply-chip,
body[data-theme="dark"] .comm-message-bubble,
body[data-theme="dark"] .push-preview-card,
body[data-theme="dark"] .mobile-confirm-dialog {
  background: var(--cdx-surface);
  border-color: var(--cdx-border);
}

html[data-theme="dark"] .comm-message-row.is-own .comm-message-bubble,
body[data-theme="dark"] .comm-message-row.is-own .comm-message-bubble {
  background: color-mix(in srgb, var(--cdx-primary) 18%, var(--cdx-surface));
}

html[data-theme="dark"] .attachment-preview,
html[data-theme="dark"] .comm-attachment-preview,
html[data-theme="dark"] .voice-note-preview,
body[data-theme="dark"] .attachment-preview,
body[data-theme="dark"] .comm-attachment-preview,
body[data-theme="dark"] .voice-note-preview {
  background: var(--cdx-surface-2);
  color: var(--cdx-text);
}

html[data-theme="dark"] .comm-summary-card,
html[data-theme="dark"] .comm-card,
html[data-theme="dark"] .notification-hero,
html[data-theme="dark"] .urgent-alert-card,
html[data-theme="dark"] .push-phone-frame,
body[data-theme="dark"] .comm-summary-card,
body[data-theme="dark"] .comm-card,
body[data-theme="dark"] .notification-hero,
body[data-theme="dark"] .urgent-alert-card,
body[data-theme="dark"] .push-phone-frame {
  border-color: color-mix(in srgb, var(--cdx-border) 78%, transparent);
  background:
    radial-gradient(circle at 100% 0%, rgba(81, 165, 246, 0.12), transparent 7rem),
    linear-gradient(180deg, color-mix(in srgb, var(--cdx-surface) 88%, transparent), color-mix(in srgb, var(--cdx-surface-2) 72%, var(--cdx-surface)));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
}

html[data-theme="dark"] .comm-card.is-unread,
body[data-theme="dark"] .comm-card.is-unread {
  background:
    radial-gradient(circle at 100% 0%, rgba(81, 165, 246, 0.16), transparent 6.5rem),
    color-mix(in srgb, var(--cdx-primary) 9%, var(--cdx-surface));
}