:root {
  --bg: #f4f6f8; --panel: #ffffff; --text: #17212b; --muted: #707579; --border: #dfe3e8; --accent: #3390ec;
  --accent-text: #fff; --soft: #eef3f8; --err: #d93025; --warn: #b26a00; --ok: #1e8e3e; --chip: #e7f0fb;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1621; --panel: #17212b; --text: #e9eef3; --muted: #8b98a5; --border: #2a3947; --accent: #5aa7f0;
    --soft: #1f2c39; --err: #ff6b5e; --warn: #ffb74d; --ok: #5bd37a; --chip: #23384d; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1621; --panel: #17212b; --text: #e9eef3; --muted: #8b98a5; --border: #2a3947; --accent: #5aa7f0;
  --soft: #1f2c39; --err: #ff6b5e; --warn: #ffb74d; --ok: #5bd37a; --chip: #23384d; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; display: flex; flex-direction: column; }
button { font: inherit; cursor: pointer; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); border-radius: 8px; padding: 6px 12px; white-space: nowrap; }
button.ghost, a.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--border); border-radius: 8px; text-decoration: none; }
a.btn.ghost { display: inline-block; }
button.ghost:hover { border-color: var(--accent); }
button.primary { font-weight: 600; }
button.danger { background: transparent; color: var(--err); border-color: var(--border); }
button:disabled { opacity: .5; cursor: default; }
.small-btn { padding: 3px 8px; font-size: 13px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; min-width: 0; }
input:focus, select:focus, textarea:focus, .rte:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 0; border-color: var(--accent); }
input[type=checkbox] { accent-color: var(--accent); }
code { background: var(--soft); padding: 0 4px; border-radius: 4px; font-size: 12.5px; }
.muted { color: var(--muted); } .small { font-size: 12px; } .err { color: var(--err); } .grow { flex: 1; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 6px 0; }

.top { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: var(--panel); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--accent); margin-right: 4px; }
.title-input { width: 190px; flex: 0 1 170px; min-width: 100px; font-weight: 600; }
.chat-input { width: 150px; flex: 0 1 150px; text-overflow: ellipsis; min-width: 100px; }
.chat-btn { flex: 0 0 auto; max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topic-select { flex: 0 0 auto; max-width: 150px; font-size: 12px; }
.channels { display: flex; flex-direction: column; gap: 8px; max-height: 60vh; overflow: auto; }
.channel { border: 1px solid var(--border); border-radius: 8px; padding: 8px; display: flex; flex-direction: column; gap: 4px; }
.channel.on { border-color: var(--accent); }
.channel .topics .row { margin: 2px 0; }
.links { display: flex; flex-direction: column; gap: 8px; max-height: 45vh; overflow: auto; }
.invite-link { border: 1px solid var(--border); border-radius: 8px; padding: 8px; display: flex; flex-direction: column; gap: 4px; }
.invite-link code { word-break: break-all; }
.invite-link.revoked { opacity: .6; }
.suggested { border: 1px solid var(--accent); border-radius: 8px; padding: 6px 8px; margin: 6px 0; }
.suggested li { cursor: pointer; }
.suggested-text { border: 1px solid var(--border); border-radius: 8px; padding: 8px; max-height: 40vh; overflow: auto; white-space: pre-wrap; }
.top button { padding: 5px 9px; font-size: 13px; white-space: nowrap; }
.top .grow { min-width: 0; }
#save-state { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#btn-undo, #btn-redo { padding: 5px 7px; }
/* wide screens keep one row: the inputs and the save note shrink instead of pushing «Опубликовать» down */
@media (min-width: 1280px) { .top { flex-wrap: nowrap; } }
.badge { background: var(--soft); color: var(--text); border-color: var(--border); font-size: 12px; padding: 4px 10px; border-radius: 999px; }
.badge.new { background: #ffefc2; color: #6b4b00; border-color: #f2c94c; }
.badge.warn { border-color: #f2c94c; }
.icon-btn { padding: 4px 8px; }
dialog .ok { color: var(--ok); } dialog .w { color: var(--warn); }
.icon-btn.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.layout { flex: 1; display: grid; grid-template-columns: 240px minmax(380px, 1fr) minmax(340px, 480px); min-height: 0; }
.side, .editor, .preview-col { min-height: 0; overflow: auto; }
.side { border-right: 1px solid var(--border); background: var(--panel); }
.editor { padding: 10px 14px 40px; }
.preview-col { border-left: 1px solid var(--border); display: flex; flex-direction: column; }
.preview-bar { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 2; }
#preview { flex: 1 0 auto; } /* grow with the post, so the chat background reaches the end */
@media (max-width: 1100px) {
  body { display: block; }
  .layout { display: block; }
  .editor, .preview-col { overflow: visible; }
  .side { max-height: 240px; border-right: 0; border-bottom: 1px solid var(--border); }
  .preview-col { border-left: 0; border-top: 1px solid var(--border); min-height: 420px; }
  .preview-bar { position: static; }
  #mode-hint { display: none; }
}
@media (max-width: 700px) { .chat-input { width: 100%; } }

/* «Опубликовать ▾»: the rarer ways to send live in its menu */
.split { position: relative; display: inline-flex; flex: 0 0 auto; }
.split #btn-publish { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.split .more { border-top-left-radius: 0; border-bottom-left-radius: 0; padding: 5px 7px; border-left: 1px solid rgba(255, 255, 255, .35); }
.menu { position: absolute; right: 0; top: calc(100% + 4px); z-index: 20; display: flex; flex-direction: column; min-width: 170px; padding: 4px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 6px 24px rgba(0, 0, 0, .15); }
.menu[hidden] { display: none; }
.menu button { text-align: left; border: 0; }
.menu button:hover, .menu button:focus-visible { background: var(--soft); }

/* phone: the editor and the preview are two tabs instead of one long column */
#view-tabs { display: none; }
@media (max-width: 700px) {
  #view-tabs { display: flex; position: sticky; top: 0; z-index: 5; background: var(--panel); }
  #view-tabs button { flex: 1; }
  /* the header keeps what a phone needs: name, save, channel, send */
  .brand, #spec-badge, #spec-refresh, #btn-undo, #btn-redo { display: none; }
  .title-input { flex: 1 1 140px; }
  body.view-preview .side, body.view-preview .editor { display: none; }
  body:not(.view-preview) .preview-col { display: none; }
  body.view-preview .preview-col { border-top: 0; }
}

.tabs { display: flex; gap: 2px; align-items: center; border-bottom: 1px solid var(--border); }
.tabs button { background: none; color: var(--muted); border: 0; border-bottom: 2px solid transparent; border-radius: 0; padding: 8px 10px; }
.tabs button.on { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.side .tabs { position: sticky; top: 0; background: var(--panel); z-index: 1; }
.side-body { padding: 8px; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 7px 8px; border-radius: 8px; cursor: pointer; display: flex; flex-direction: column; gap: 2px; }
.list li:hover { background: var(--soft); }
.list li.on { background: var(--chip); }
.list li .meta { font-size: 11.5px; color: var(--muted); display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.list li .acts { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 3px; }
.post-head { display: flex; gap: 8px; align-items: center; }
.post-head .thumb { width: 36px; height: 36px; object-fit: cover; border-radius: 6px; flex: none; }
.post-title { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.post-error { color: var(--err); overflow-wrap: anywhere; }
#posts-filter { margin: 0 0 6px; font-size: 12px; }
.status { padding: 0 6px; border-radius: 999px; font-size: 11px; background: var(--soft); }
.status.sent { color: var(--ok); } .status.failed { color: var(--err); } .status.scheduled, .status.missed { color: var(--warn); }
.actor { padding: 0 6px; border-radius: 999px; font-size: 11px; border: 1px solid var(--soft); }
.upload { display: block; text-align: center; border: 1px dashed var(--accent); color: var(--accent); border-radius: 8px; padding: 10px; cursor: pointer; }
.uploads li { flex-direction: row; align-items: center; gap: 8px; }
.uploads .thumb { width: 42px; height: 42px; border-radius: 6px; object-fit: cover; background: var(--soft); display: grid; place-items: center; font-size: 11px; flex: none; overflow: hidden; }
.uploads .unused { font-size: 11px; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 0 6px; flex: none; }
.uploads .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12.5px; }

.pane { margin-top: 10px; }
textarea.code { width: 100%; min-height: 380px; font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; tab-size: 2; resize: vertical; }
.snip-bar { display: flex; flex-wrap: wrap; gap: 4px 10px; margin-bottom: 6px; }
.snip-group { display: flex; flex-wrap: wrap; gap: 3px; align-items: center; }
.snip-group > span { font-size: 11px; color: var(--muted); margin-right: 2px; }
.snip-group button { padding: 2px 7px; font-size: 12px; background: var(--panel); color: var(--text); border-color: var(--border); }
.snip-group button.unverified::after { content: "⚠"; color: var(--warn); margin-left: 2px; font-size: 10px; }

/* block editor */
.blocks { display: flex; flex-direction: column; gap: 8px; }
.blocks.nested { margin-top: 4px; padding-left: 10px; border-left: 2px solid var(--border); }
.block { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; }
.block-head { display: flex; align-items: center; gap: 6px; padding: 5px 8px; border-bottom: 1px solid var(--border); background: var(--soft); border-radius: 10px 10px 0 0; }
.block.collapsed .block-head { border-bottom: 0; border-radius: 10px; }
.block.collapsed .block-body { display: none; }
.block-head .label { font-weight: 600; font-size: 13px; cursor: pointer; }
.block-head .type { font-size: 11px; color: var(--muted); }
.block-head .tools { margin-left: auto; display: flex; gap: 2px; }
.block-head .tools button { background: none; border: 0; color: var(--muted); padding: 2px 6px; }
.block-head .tools button:hover { color: var(--accent); }
.block-body { padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; }
.field { display: grid; grid-template-columns: 130px 1fr auto; gap: 8px; align-items: start; }
.field > label { font-size: 12px; color: var(--muted); padding-top: 6px; overflow-wrap: anywhere; }
.field > label.req::after { content: " *"; color: var(--err); }
.field > .rm { background: none; border: 0; color: var(--muted); padding: 4px; }
.field.wide { grid-template-columns: 1fr auto; }
.field.wide > label { grid-column: 1 / -1; padding-top: 0; }
.field input[type=text], .field input[type=number], .field select, .field textarea { width: 100%; }
.field textarea { min-height: 60px; resize: vertical; font: 12.5px/1.4 ui-monospace, Menlo, monospace; }
@media (max-width: 600px) { .field { grid-template-columns: 1fr auto; } .field > label { grid-column: 1 / -1; padding-top: 0; } }
.obj { border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; display: flex; flex-direction: column; gap: 6px; }
.add-field { align-self: flex-start; font-size: 12px; padding: 2px 6px; }
.add-block { align-self: flex-start; }
.palette { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; }
.palette button { background: var(--panel); color: var(--text); border-color: var(--border); text-align: left; padding: 8px; white-space: normal; display: flex; flex-direction: column; gap: 2px; }
.palette button[hidden], .palette-group[hidden] { display: none; }
.palette button:hover { border-color: var(--accent); }
.palette button small { color: var(--muted); font-size: 11px; }
.palette button.new { border-color: #f2c94c; }

.rte-wrap { position: relative; }
.rte { min-height: 34px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel); white-space: pre-wrap; overflow-wrap: anywhere; }
.rte:empty::before { content: attr(data-ph); color: var(--muted); }
.rte .rt-spoiler { background: repeating-linear-gradient(45deg, var(--soft), var(--soft) 4px, transparent 4px, transparent 8px); border-radius: 3px; }
.rte mark { border-radius: 3px; }
.rte code { font-size: 12.5px; }
.rte a { color: var(--accent); }
.rt-chip { display: inline-block; background: var(--chip); color: var(--accent); border-radius: 6px; padding: 0 6px; margin: 0 1px; cursor: pointer; font-size: 13px; user-select: all; }
.rt-chip::before { content: attr(data-kind) ": "; font-size: 11px; opacity: .75; }
.toolbar { position: fixed; z-index: 50; display: none; gap: 2px; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 3px; box-shadow: 0 6px 20px rgba(0,0,0,.18); flex-wrap: wrap; max-width: 420px; }
.toolbar.on { display: flex; }
.toolbar button { background: none; border: 0; color: var(--text); padding: 3px 7px; font-size: 13px; border-radius: 5px; }
.toolbar button:hover { background: var(--soft); }
.toolbar select { font-size: 12px; padding: 2px 4px; }
/* one row on a phone: two rows would cover the block above */
@media (max-width: 600px) { .toolbar { flex-wrap: nowrap; overflow-x: auto; max-width: calc(100vw - 12px); } .toolbar button { flex: none; } }

.table-ed { min-width: 0; }
.table-ed .table-scroll { overflow-x: auto; max-width: 100%; }
.table-ed table { border-collapse: collapse; }
.table-ed td { border: 1px solid var(--border); padding: 3px; vertical-align: top; min-width: 110px; }
.table-ed td.hdr { background: var(--soft); font-weight: 600; }
.table-ed td.sel { outline: 2px solid var(--accent); outline-offset: -1px; }
.cell-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; padding: 4px 6px; margin-top: 4px; border: 1px solid var(--border); border-radius: 8px; background: var(--soft); }
.cell-bar select, .cell-bar input { font-size: 12px; padding: 1px 3px; width: auto !important; }
.cell-bar input[type=number] { width: 48px !important; }
.cell-bar button.on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.block.drop { outline: 2px dashed var(--accent); outline-offset: 2px; }
.palette-groups h4 { margin: 10px 0 4px; font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.palette-groups + p { margin-top: 10px; }
.dlg input[type=search] { width: 100%; }
label.stack { display: grid; gap: 3px; margin: 6px 0; font-size: 13px; }
label.stack input { width: 100%; }
.check-pill { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--soft); border: 1px solid var(--border); color: var(--muted); white-space: nowrap; }
.check-pill.e { color: var(--err); border-color: var(--err); } .check-pill.w { color: var(--warn); } .check-pill.ok { color: var(--ok); }
.validation button.link { background: none; border: 0; padding: 0; color: inherit; text-align: left; text-decoration: underline dotted; cursor: pointer; font: inherit; }
.flash { animation: flash 1.6s ease-out; }
@keyframes flash { 0%, 30% { box-shadow: 0 0 0 3px var(--accent); } 100% { box-shadow: 0 0 0 3px transparent; } }

.media-pick { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.media-pick input[type=text] { flex: 1; min-width: 160px; }
.media-row { display: grid; grid-template-columns: 110px 120px 1fr auto; gap: 6px; margin-bottom: 6px; align-items: center; }
@media (max-width: 600px) { .media-row { grid-template-columns: 1fr 1fr; } }

.panel { margin-top: 12px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; }
.panel > summary { cursor: pointer; font-weight: 600; }
.panel > :not(summary) { margin-top: 8px; }
.kb-row { display: flex; gap: 6px; align-items: flex-start; margin-bottom: 6px; flex-wrap: wrap; }
.kb-row > .obj { flex: 1 1 240px; }
/* a button card is narrow: short labels leave room for «Ответ на нажатие» */
.kb-btn .field { grid-template-columns: 72px minmax(0, 1fr) auto; }

.validation { margin-top: 12px; font-size: 13px; }
.validation .ok { color: var(--ok); }
.validation ul { margin: 4px 0; padding-left: 18px; }
.validation .e { color: var(--err); } .validation .w { color: var(--warn); }

dialog { border: 1px solid var(--border); border-radius: 12px; background: var(--panel); color: var(--text); padding: 0; max-width: min(720px, 94vw); width: 100%; }
dialog::backdrop { background: rgba(0,0,0,.4); }
.dlg-body { padding: 16px; display: flex; flex-direction: column; gap: 10px; max-height: 86vh; overflow: auto; }
.dlg-body h3 { margin: 0; }
.dlg-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.changes li { margin-bottom: 3px; }
.changes.health { list-style: none; padding-left: 0; }
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: var(--panel); border: 1px solid var(--border); border-left: 4px solid var(--accent); padding: 8px 12px; border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.15); max-width: 380px; white-space: pre-wrap; }
.toast.err { border-left-color: var(--err); } .toast.ok { border-left-color: var(--ok); }

.cb-answer { margin-top: 4px; }
.cb-answer input[type=text] { flex: 1; }
#updates-state { margin: 0 4px 8px; }
#updates-state .ok { color: var(--ok); } #updates-state .w { color: var(--warn); }
.pf { margin: 6px 0; }
.pf > label { display: block; margin-bottom: 2px; }
.pf input[type=text] { width: 100%; }
.pf .row input[type=text] { flex: 1; width: auto; }

/* history of a post: what each version changed */
.history .version { display: block; }
.history .version > .row { margin: 0; }
.diff { font-size: 12px; margin: 4px 0; display: grid; gap: 2px; }
.diff .add, .diff .del { padding: 2px 6px; border-radius: 4px; overflow-wrap: anywhere; }
.diff .add { background: color-mix(in srgb, var(--ok) 14%, transparent); }
.diff .del { background: color-mix(in srgb, var(--err) 12%, transparent); text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--err) 50%, transparent); }
.version-preview { max-height: 320px; overflow: auto; border-radius: 8px; margin-top: 4px; }
.when .presets { flex-wrap: wrap; gap: 4px; margin-bottom: 6px; }
.when .queue ul { margin: 4px 0; }
.poll-after input[type=text] { width: 100%; }
.poll-after .row input[type=text] { flex: 1; width: auto; }
.list .badge { display: inline-block; margin-left: 6px; font-size: 10px; padding: 0 5px; border-radius: 6px; border: 1px solid var(--border); color: var(--muted); vertical-align: 1px; }
.list .badge.ok { color: var(--ok); border-color: var(--ok); } .list .badge.w { color: var(--warn); border-color: var(--warn); }
/* Public account entry and channel onboarding. */
.signed-out > .top, .signed-out > .layout, .signed-out > #view-tabs { display: none; }
a.btn { display: inline-block; background: var(--accent); color: var(--accent-text); border: 1px solid var(--accent); border-radius: 8px; padding: 6px 12px; text-decoration: none; }
a.btn.small-btn { padding: 3px 8px; font-size: 13px; }
.login-screen { min-height: 100dvh; display: grid; place-items: center; padding: 32px 20px; background: var(--bg); }
.login-card { width: min(100%, 560px); padding: 40px; border: 1px solid var(--border); border-radius: 24px; background: var(--panel, white); box-shadow: 0 12px 48px #17212b0a; }
.login-brand { color: var(--accent); font-size: 18px; font-weight: 700; letter-spacing: -.4px; }
.login-card h1 { font-size: clamp(26px, 5vw, 36px); line-height: 1.15; letter-spacing: -1px; margin: 24px 0 16px; }
.login-card p { line-height: 1.6; }
.login-steps { padding-left: 24px; margin: 28px 0; }
.login-steps li { padding-left: 8px; margin: 20px 0; }
.login-steps li::marker { color: var(--accent); font-weight: 700; }
.login-steps span { display: block; color: var(--muted); font-size: 13px; margin-top: 5px; line-height: 1.5; }
.telegram-login { min-height: 40px; margin: 24px 0 12px; }
.account-menu { max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.connect-channel { border: 1px solid var(--border); border-radius: 12px; background: var(--soft); padding: 14px; margin: 12px 0; }
.connect-channel p:first-child { margin-top: 0; }
@media(max-width: 560px) { .login-screen { padding: 16px; } .login-card { padding: 24px; } .account-menu { max-width: 90px; } }