/* «Активность» of a record: the comment field, comment threads with replies, notes of the AI, lines of changes (docs/VIEW-DESIGN.md §4, mock 2). Markup: views/activity.js. */
.feed { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.ev { display: flex; gap: 8px; align-items: flex-start; color: var(--text-3); font-size: var(--fs-caption); line-height: 18px; padding-left: 12px; }
.ev > .avatar { flex: none; width: 18px; height: 18px; font-size: 8.5px; }
.ev b { color: var(--text-2); font-weight: 500; }
.cm { display: flex; gap: 10px; border: none; border-radius: var(--r-md); padding: 10px 2px; background: transparent; }
.cm .avatar { width: 22px; height: 22px; font-size: 10px; }
.cm-body { flex: 1; min-width: 0; }
.cm-head { display: flex; gap: 8px; align-items: baseline; margin-bottom: 2px; font-size: var(--fs-body); }
.cm-head .faint { color: var(--text-4); font-size: var(--fs-caption); }
.cm-head b { font-weight: 550; }
.cm-files { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.file-chip { cursor: pointer; }
@media (hover: hover) {
  .file-chip:hover { background: var(--hover); color: var(--text); }
}
.composer { border: 1px solid var(--border); border-radius: var(--r-md); background: var(--base); box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.composer textarea { width: 100%; box-sizing: border-box; border: none; outline: none; resize: vertical; background: transparent; color: var(--text); font: inherit; font-size: var(--fs-read); padding: 12px 14px 4px; min-height: 56px; }
.composer-files { display: flex; gap: 6px; flex-wrap: wrap; padding: 0 12px; }
.composer-files .x { cursor: pointer; color: var(--text-4); margin-left: 2px; }
.composer-bar { display: flex; align-items: center; gap: 8px; padding: 6px 8px 8px 8px; }
.act-head { display: flex; align-items: center; gap: 6px; margin: 24px 0 8px; }
.act-title { color: var(--text-4); font-size: var(--fs-caption); font-weight: 500; letter-spacing: .04em; text-transform: uppercase; }
.composer textarea { min-height: 40px; padding: 10px 14px; }
.composer .composer-bar, .composer .composer-files { display: none; }
.composer.open .composer-bar { display: flex; }
.composer.open .composer-files { display: flex; }
.feed { margin-top: 12px; }
@media (max-width: 860px) {
  .act-head { flex-wrap: wrap; }
}
.thread-head { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; }
.thread { display: flex; flex-direction: column; gap: 10px; padding: 14px; background: var(--frame); border-radius: var(--r-md); margin-bottom: 18px; }
.cm.just { animation: pop .25s ease-out; }
.act-head .spacer { flex: 1; }
.cthread { padding: 2px 0 6px; }
.cthread .replies { margin-left: 32px; border-left: 2px solid var(--border-soft); padding-left: 12px; }
.cthread .replies:empty { display: none; }
.cm-head .spacer { flex: 1; }
.cm-reply { height: 22px; padding: 0 6px; font-size: var(--fs-caption); color: var(--text-3); opacity: 0; }
@media (hover: hover) {
  .cm:hover .cm-reply { opacity: 1; }
}
.cm-head .cm-act { margin-left: auto; align-self: center; width: 28px; height: 28px; padding: 0; justify-content: center; border-radius: var(--r-full); color: var(--text-3); opacity: 0; transition: opacity var(--t-fast) var(--ease-io); }
@media (hover: hover) {
  .cm:hover .cm-act, .cm-head .cm-act:focus-visible, .cm-head .cm-act[aria-expanded="true"] { opacity: 1; }
}
@media (hover: none) {
  .cm-head .cm-act { opacity: 1; }
}
.cm-head .solution-chip { align-self: center; }
.cm-head .solution-chip svg { color: var(--green); }
.cm-edit { margin-top: 2px; }
.cm-edit-bar { display: flex; gap: 8px; margin-top: 8px; }
.cm-head:has(.cm-act, .solution-chip) { flex-wrap: wrap; row-gap: 4px; }
.cm-head:has(.cm-act, .solution-chip) > b, .cm-head:has(.cm-act, .solution-chip) > .faint { white-space: nowrap; }
@media (hover: none) {
  .cm-reply { opacity: 1; }
}
.composer.reply { margin-left: 44px; margin-top: 4px; box-shadow: none; }
.composer.reply textarea { min-height: 34px; padding: 7px 12px; font-size: var(--fs-body); }
.reply-to { margin: 2px 0 0 46px; font-size: var(--fs-caption); }
.ev-more { height: 22px; padding: 0 8px; font-size: var(--fs-caption); color: var(--text-3); margin-left: 8px; align-self: flex-start; }
.composer.reply textarea { resize: none; }
.cthread .composer.reply { border-color: var(--border-soft); }
.composer .rich { padding: 8px 14px 4px; }
.composer .rich-body { margin: 0; padding: 2px 0; min-height: 22px; font-size: var(--fs-read); }
.composer .rich.editable .rich-body:focus { background: transparent; box-shadow: none; }
@media (hover: hover) {
  .composer .rich.editable .rich-body:hover { background: transparent; box-shadow: none; }
}
.composer.reply .rich { padding: 6px 12px 2px; }
.composer.reply .rich-body { font-size: var(--fs-body); }
.feed { gap: 10px; }
.cthread { background: var(--elev); border: 0; border-radius: var(--r-md); padding: 4px 0 0; box-shadow: 0 0 0 1px var(--border-soft); overflow: hidden; }
.cthread .cm { padding: 8px 12px; border-radius: 0; }
.cthread .cm .avatar { width: 22px; height: 22px; }
.cthread .replies { margin: 0; border: 0; padding: 0; }
.cthread .reply-to { margin: 0; padding: 6px 16px 0 48px; border-top: 1px solid var(--border-soft); }
.cthread .reply-to:not([hidden]) + .composer.reply { border-top: 0; }
.composer.reply { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; grid-template-areas: "av ed bar" ". files files"; align-items: end; column-gap: 10px; margin: 0; padding: 8px 10px 8px 16px; border: 0; border-top: 1px solid var(--border-soft); border-radius: 0; background: transparent; box-shadow: none; }
.composer.reply > .avatar { grid-area: av; align-self: start; width: 22px; height: 22px; font-size: 10px; margin-top: 4px; }
.composer.reply > .rich { grid-area: ed; min-width: 0; padding: 4px 0; }
.composer.reply .rich-body { font-size: var(--fs-body); }
.composer.reply > .composer-bar, .composer.reply.open > .composer-bar { grid-area: bar; display: flex; padding: 0; gap: 2px; }
.composer.reply .composer-bar .spacer { display: none; }
.composer.reply > .composer-files, .composer.reply.open > .composer-files { grid-area: files; padding: 4px 0 0; }
.composer.reply > .composer-files:empty { display: none; }
.composer:not(.reply) { border-radius: var(--r-md); background: var(--elev); border-color: var(--border-soft); }
.composer:not(.reply) .composer-bar { display: flex; }
.composer .btn.ic { width: 28px; height: 28px; padding: 0; justify-content: center; color: var(--text-3); }
.cthread .cm .body-md > :last-child { margin-bottom: 0; }
.cthread .cm .body-md > :first-child { margin-top: 0; }
.ai-note { margin: 8px 0; padding: 10px 12px 6px; border-radius: var(--r-md); background: color-mix(in lch, var(--accent) 6%, var(--group)); border: 1px solid color-mix(in lch, var(--accent) 16%, var(--border-soft)); }
.ai-head { display: flex; align-items: center; gap: 6px; font-size: var(--fs-body); color: var(--text-2); min-width: 0; }
.ai-head .ai-what { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.ai-head .faint { flex: none; }
.ai-ic { display: inline-flex; flex: none; color: var(--purple); }
.ai-ic .i { width: 15px; height: 15px; }
.ai-label { display: flex; align-items: center; gap: 8px; margin: 6px 0 2px; font-size: var(--fs-body); font-weight: 600; color: var(--text); }
.ai-request { font-size: var(--fs-caption); margin: 2px 0 4px; }
.ai-text { font-size: var(--fs-read); line-height: 1.5; }
.ai-text.clamp3 { display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ai-foot { display: flex; align-items: center; gap: 4px; margin: 2px -6px 0; }
.ai-foot .btn { height: 28px; padding: 0 6px; font-size: var(--fs-caption); color: var(--text-3); }
.ai-foot .btn .i { width: 13px; height: 13px; }
.ai-ask .modal-head { color: var(--text-2); }
.ai-ask-text { min-height: 96px; font-size: var(--fs-read); color: var(--text); }
.act-head .btn.subtasks-action { margin-right: -2px; }
@media (hover: hover) {
  .ai-foot .btn:hover { color: var(--text); }
}
.ev.ev-ai { grid-template-columns: 14px 1fr; gap: 6px; padding-left: 4px; align-items: start; }
.ev-ai-ic { display: inline-flex; flex: none; width: 14px; justify-content: center; color: var(--purple); padding-top: 2px; }
.ev-ai-ic .i { width: 12px; height: 12px; }
.ev-ai-main { min-width: 0; flex: 1; }
.ev-ai-btn { display: inline; padding: 0; border: 0; background: transparent; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.ev-ai-chev { display: inline-flex; vertical-align: -2px; margin-left: 4px; color: var(--text-4); transition: transform var(--t-fast) var(--ease); }
.ev-ai-chev .i { width: 11px; height: 11px; }
.ev.ev-ai.open .ev-ai-chev { transform: rotate(90deg); }
.ev-ai-body { margin: 6px 0 4px; padding: 8px 10px; border-radius: var(--r-sm); background: var(--group); }
.ev-ai-body .ai-label { margin-top: 0; }
.composer.reply:focus-within { border-top-color: var(--border-focus); }
/* the comment field (mock 2): a pill while it is one line; growing, it stays a box with the same 20 px corners — never an
   oval — and its buttons stay at the bottom */
.composer:not(.reply) { display: flex; flex-wrap: wrap; align-items: flex-end; border-radius: var(--r-lg); background: color-mix(in lch, var(--elev) 70%, transparent); border-color: var(--border); }
.composer:not(.reply):focus-within { border-color: var(--text-4); box-shadow: 0 1px 2px rgb(0 0 0 / .08); }
.composer:not(.reply) > .rich { flex: 1 1 0; min-width: 0; padding: 10px 6px 10px 16px; }
.composer:not(.reply) > .rich .rich-body { margin: 0; padding: 0; min-height: 20px; line-height: 20px; }
.composer:not(.reply) > .rich .rich-body { font-size: var(--fs-body); }
.composer:not(.reply) textarea, .composer:not(.reply) [contenteditable] { min-height: 42px; padding: 10px 6px 10px 16px; resize: none; font-size: var(--fs-body); }
.composer:not(.reply) > .composer-files { order: -1; flex: 0 0 100%; padding-top: 8px; }
.composer:not(.reply) > .composer-files:empty { display: none; }
.composer:not(.reply) > .composer-bar { flex: none; gap: 4px; padding: 4px 4px 4px 0; }
.composer:not(.reply) .btn.ic { width: 32px; height: 32px; border-radius: var(--r-full); }
/* «send» (every comment field): quiet while the field rests; the field has the focus but nothing to send — a soft
   accent, not active; there is a text or a file — the accent colour of the app, active */
.composer .send-btn { background: transparent; color: var(--icon); transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease); }
.composer:focus-within .send-btn, .composer.open .send-btn { background: var(--accent-soft); color: var(--accent-text); cursor: default; }
.composer.ready .send-btn { background: var(--accent); color: var(--on-accent); cursor: pointer; }
.composer:not(.reply) .send-btn:disabled { opacity: .45; }