/* The existing message remains the surface; reactions occupy its quiet right edge. */
.timeline-content.has-message-reactions { position: relative; padding-right: var(--message-reaction-space); min-height: var(--message-reaction-height); }
.message-reaction-trigger { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 36px; width: 36px; height: 36px; padding: 7px; border: 1px solid transparent; border-radius: 50%; background: transparent; color: var(--muted); opacity: .55; cursor: pointer; transition: color .16s ease, background .16s ease, opacity .16s ease; }
.message-reaction-trigger svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.timeline-content:hover .message-reaction-trigger, .message-reaction-trigger:focus-visible, .message-reaction-trigger[aria-expanded="true"] { opacity: 1; }
.message-reaction-trigger:hover, .message-reaction-trigger[aria-expanded="true"] { color: var(--text); background: var(--surface-hover); border-color: var(--stroke); }
.message-reaction-trigger:disabled { cursor: wait; opacity: .35; }
.message-reaction-trigger[data-busy="true"] { border-color: var(--primary); }
.message-reaction-rail { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); display: grid; grid-template-columns: 44px; gap: 0; align-items: center; justify-items: center; }
.message-reaction-rail[data-columns="2"] { grid-template-columns: repeat(2, 44px); }
.message-reaction-badge { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 2px; width: 42px; height: 42px; padding: 4px; border: 1px solid transparent; border-radius: 13px; background: color-mix(in srgb, var(--surface) 70%, transparent); color: var(--text); cursor: pointer; transition: background .16s ease, border-color .16s ease, transform .16s ease; }
.message-reaction-badge.is-mine { border-color: color-mix(in srgb, var(--primary) 36%, transparent); }
.message-reaction-badge:hover { background: var(--surface-hover); border-color: var(--stroke-strong); transform: translateY(-1px); }
.message-reaction-emoji { font-size: 23px; line-height: 1; }
.message-reaction-count { position: absolute; right: 0; bottom: 0; min-width: 16px; padding: 0 3px; border: 1px solid var(--stroke); border-radius: 7px; background: var(--bg-1); font-size: 10px; font-weight: 750; line-height: 15px; }
.message-reaction-picker, .message-reaction-tooltip { position: fixed; z-index: var(--z-header-popover, 90); box-sizing: border-box; border: 1px solid var(--stroke-strong); border-radius: var(--radius-md); background: linear-gradient(160deg, var(--glass), transparent), var(--surface-strong); color: var(--text); box-shadow: var(--shadow), inset 0 1px 0 var(--glass); backdrop-filter: blur(24px) saturate(125%); -webkit-backdrop-filter: blur(24px) saturate(125%); }
.message-reaction-picker { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; width: 344px; padding: 7px; }
.message-reaction-option { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; min-width: 0; min-height: 67px; padding: 6px 3px; border: 1px solid transparent; border-radius: 11px; background: transparent; color: var(--text); font: inherit; font-size: 10px; font-weight: 650; line-height: 1.2; cursor: pointer; }
.message-reaction-option-emoji { font-size: 26px; line-height: 1.1; }
.message-reaction-option:hover { background: var(--surface-hover); border-color: var(--stroke); }
.message-reaction-option[aria-checked="true"] { background: var(--info-bg); border-color: var(--primary); }
.message-reaction-option:active, .message-reaction-badge:active { background: var(--info-bg); }
.message-reaction-trigger:focus-visible, .message-reaction-badge:focus-visible, .message-reaction-option:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.message-reaction-tooltip { display: grid; gap: 7px; min-width: 132px; max-height: min(300px, calc(100dvh - 20px)); padding: 10px 12px; overflow: auto; }
.message-reaction-person { display: grid; grid-template-columns: 25px minmax(0, 1fr) 22px; align-items: center; gap: 8px; font-size: 12px; font-weight: 650; overflow-wrap: anywhere; }
.message-reaction-person-photo { display: flex; align-items: center; justify-content: center; width: 25px; height: 25px; border: 1px solid var(--stroke); border-radius: 50%; background: var(--surface-hover); overflow: hidden; font-size: 11px; }
.message-reaction-person-photo .employee-photo { display: block; width: 100%; height: 100%; object-fit: cover; }
.message-reaction-feedback { margin: 8px 0 0; font-size: 11px; }
.message-reaction-feedback[role="alert"] { color: var(--warning); }
.message-reaction-feedback .text-button { padding: 2px 5px; font-size: inherit; }
.message-reaction-flight { position: fixed; z-index: var(--z-header-popover, 90); width: 28px; height: 28px; font-size: 26px; line-height: 28px; pointer-events: none; will-change: transform, opacity; }
@media (pointer: coarse) { .message-reaction-trigger { width: 44px; height: 44px; flex-basis: 44px; opacity: .9; } }
@media (any-pointer: coarse) {
  .message-reaction-trigger { width: 44px; height: 44px; flex-basis: 44px; }
  .message-reaction-badge { width: 44px; height: 44px; }
  .message-reaction-feedback .text-button { min-height: 44px; }
}
@media (max-width: 600px) {
  [data-message-reactions] .timeline-item { grid-template-columns: 32px minmax(0, 1fr); gap: 8px; }
  [data-message-reactions] .timeline-avatar { width: 32px; height: 32px; font-size: .7rem; }
  [data-message-reactions] .timeline-item:not(:last-child)::before { top: 38px; left: 15px; }
  [data-message-reactions] .timeline-content { padding: 10px 8px; }
  [data-message-reactions] .timeline-content.has-message-reactions { padding-right: 52px; }
  [data-message-reactions] .message-reaction-rail { right: 4px; }
}
@media (max-width: 420px) { .message-reaction-picker { padding: 6px; gap: 2px; } .message-reaction-option { min-height: 65px; font-size: 9px; } }
@media (max-height: 210px) { .message-reaction-picker { grid-template-columns: repeat(8, minmax(0, 1fr)); width: 680px; } .message-reaction-option { min-height: 56px; font-size: 9px; } }
@media (prefers-reduced-motion: reduce) { .message-reaction-trigger, .message-reaction-badge { transition: none; } .message-reaction-badge:hover { transform: none; } .message-reaction-flight { display: none; } }
@media (forced-colors: active) { .message-reaction-picker, .message-reaction-tooltip { background: Canvas; color: CanvasText; border-color: CanvasText; } .message-reaction-trigger, .message-reaction-option, .message-reaction-badge { background: ButtonFace; color: ButtonText; border-color: ButtonText; } .message-reaction-option[aria-checked="true"], .message-reaction-badge.is-mine { border-color: Highlight; } }