/* Interactive blocks inside messages. One visual system: inset panels on the message surface. */

.blocks { display: grid; gap: 10px; margin-top: 8px; }
.md + .blocks, .msg-quote + .blocks { margin-top: 10px; }
.msg-body > .blocks:first-child { margin-top: 2px; }
.msg.mine .blocks { color: var(--ink); }
.blk-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--ink-3); margin-top: 8px; flex-wrap: wrap; }
.blk-meta > span { display: inline-flex; align-items: center; gap: 6px; }
.blk-meta .ok { color: var(--ok); font-weight: 600; }
.blk-meta-right { margin-left: auto; }
.voters { display: inline-flex; }
.voters .avatar { box-shadow: 0 0 0 2px var(--surface); }
.voters .avatar + .avatar { margin-left: -6px; }
.voters-more { font: 600 10.5px var(--f-mono); color: var(--ink-3); margin-left: 4px; }

/* actions */
.blk-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.blk-actions .btn { min-height: 36px; }

/* question: choices as tappable rows, numbered like keys on a console */
.blk-question, .blk-poll, .blk-form, .blk-approval, .blk-tasks, .blk-steps { padding: 12px; border-radius: 14px; background: var(--surface-2); border: 1px solid var(--line); }
.blk-q-prompt { margin: 0 0 10px; font: 700 15.5px/1.35 var(--f-display); letter-spacing: -.01em; }
.blk-options { display: grid; gap: 6px; }
.blk-option { display: flex; align-items: center; gap: 12px; width: 100%; padding: 10px 12px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line-2); text-align: left; transition: border-color .15s, background .15s, transform .1s, opacity .2s; }
.blk-option:hover:not(:disabled) { border-color: var(--accent); }
.blk-option:active:not(:disabled) { transform: scale(.99); }
.blk-option.selected { border-color: var(--accent); background: var(--accent-soft); }
.blk-option.chosen { border-color: var(--machine); background: var(--machine-soft); }
.blk-option.dim { opacity: .5; }
.blk-option:disabled { cursor: default; }
.blk-mark { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font: 700 11px var(--f-mono); color: var(--ink-3); border: 1.5px solid var(--line-2); background: var(--surface-2); }
.blk-mark.square { border-radius: 7px; }
.blk-option.selected .blk-mark { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.blk-option.chosen .blk-mark { background: var(--machine); border-color: var(--machine); color: var(--surface); }
.blk-option-text { flex: 1; min-width: 0; display: grid; gap: 1px; }
.blk-option-text strong { font-weight: 600; font-size: 14.5px; }
.blk-option-text small { color: var(--ink-2); font-size: 12.5px; }
.blk-option-count { font: 700 12px var(--f-mono); color: var(--machine); }
.blk-q-foot { display: flex; gap: 8px; margin-top: 8px; }
.blk-q-foot .input { flex: 1; }

/* poll: options fill like a gauge */
.blk-poll header, .blk-form header, .blk-tasks header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font: 700 15px var(--f-display); letter-spacing: -.01em; }
.blk-poll header .icon, .blk-tasks header .icon { color: var(--accent); }
.blk-poll-options { display: grid; gap: 6px; }
.blk-poll-opt { position: relative; display: flex; align-items: center; gap: 10px; width: 100%; min-height: 42px; padding: 8px 12px; border-radius: 11px; overflow: hidden; background: var(--surface); border: 1px solid var(--line-2); text-align: left; isolation: isolate; }
.blk-poll-opt .bar { position: absolute; inset: 0 auto 0 0; z-index: -1; background: var(--accent-soft); transition: width .5s var(--ease); }
.blk-poll-opt.mine { border-color: var(--accent); }
.blk-poll-opt.mine .blk-mark { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.blk-poll-opt .label { flex: 1; font-weight: 600; font-size: 14.5px; }
.blk-poll-opt .pct { font: 700 12px var(--f-mono); color: var(--ink-2); min-width: 38px; text-align: right; }
.blk-poll.closed .blk-poll-opt { cursor: default; }

/* form */
.blk-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
.blk-form-grid .field { margin-bottom: 10px; }
.blk-form-grid .field.wide { grid-column: 1 / -1; }
.blk-form-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.blk-form-foot .blk-meta { margin: 0; }
.blk-form.done header { color: var(--ok); }
.blk-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1px; margin: 0; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: var(--line); }
.blk-fields > div { padding: 8px 12px; background: var(--surface); }
.blk-fields dt { font: 600 10.5px var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.blk-fields dd { margin: 2px 0 0; font-weight: 600; font-size: 14.5px; font-variant-numeric: tabular-nums; }
@media (max-width: 560px) { .blk-form-grid { grid-template-columns: 1fr; } }

/* approval: a decision gets a rubber stamp */
.blk-approval h4 { margin: 0 0 6px; font: 750 16px/1.3 var(--f-display); letter-spacing: -.015em; }
.blk-approval .md { font-size: 14px; color: var(--ink-2); margin-bottom: 10px; }
.blk-approval textarea { margin-bottom: 10px; }
.blk-approval.pending { border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); background: color-mix(in srgb, var(--warn) 6%, var(--surface-2)); }
.blk-approval.approved, .blk-approval.rejected { position: relative; overflow: hidden; }
.blk-approval-stamp { float: right; margin: -2px 0 6px 12px; padding: 4px 10px; border: 2.5px solid currentColor; border-radius: 8px; font: 800 13px var(--f-mono); letter-spacing: .14em; text-transform: uppercase; transform: rotate(-6deg); animation: stamp .35s cubic-bezier(.3, 1.6, .5, 1); }
@keyframes stamp { from { transform: rotate(-6deg) scale(1.8); opacity: 0; } }
.blk-approval.approved .blk-approval-stamp { color: var(--ok); }
.blk-approval.rejected .blk-approval-stamp { color: var(--bad); }
.blk-approval.approved { background: color-mix(in srgb, var(--ok) 6%, var(--surface-2)); }
.blk-approval.rejected { background: color-mix(in srgb, var(--bad) 6%, var(--surface-2)); }

/* card */
.blk-card { --a: var(--accent); border-radius: 14px; overflow: hidden; background: var(--surface); border: 1px solid var(--line-2); box-shadow: inset 0 3px 0 var(--a); }
.blk-card.accent-teal { --a: var(--machine); } .blk-card.accent-violet { --a: #7c5cff; } .blk-card.accent-amber { --a: var(--warn); }
.blk-card.accent-rose { --a: #e0457b; } .blk-card.accent-blue { --a: #2f7de1; } .blk-card.accent-green { --a: var(--ok); }
.blk-card-img { display: block; width: 100%; max-height: 260px; object-fit: cover; }
.blk-card-head { display: flex; gap: 12px; align-items: flex-start; padding: 14px 14px 10px; }
.blk-card-emoji { font-size: 26px; line-height: 1; }
.blk-card-head h4 { margin: 0; font: 750 17px/1.25 var(--f-display); letter-spacing: -.02em; }
.blk-card-head p { margin: 2px 0 0; font-size: 13px; color: var(--ink-2); }
.blk-card .blk-fields { margin: 0 14px 12px; }
.blk-card-text { padding: 0 14px 12px; font-size: 14px; }
.blk-card-link { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-top: 1px solid var(--line); font-weight: 650; font-size: 14px; color: var(--a); text-decoration: none; }
.blk-card-link:hover { background: var(--surface-2); }

/* steps: an agent at work */
.blk-steps header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.blk-steps-title { font: 700 14.5px var(--f-display); }
.blk-steps.live .blk-steps-title::after { content: '…'; animation: caret 1s steps(2, start) infinite; }
.blk-steps-count { font: 700 12px var(--f-mono); color: var(--ink-3); }
.blk-steps-rail { height: 4px; border-radius: 2px; background: var(--surface-3); overflow: hidden; margin-bottom: 10px; }
.blk-steps-rail i { display: block; height: 100%; background: repeating-linear-gradient(45deg, var(--machine) 0 6px, var(--machine-2) 6px 12px); transition: width .6s var(--ease); }
.blk-steps.live .blk-steps-rail i { animation: rail 1s linear infinite; background-size: 17px 17px; }
@keyframes rail { to { background-position: 17px 0; } }
.blk-steps.failed .blk-steps-rail i { background: var(--bad); }
.blk-steps ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.blk-steps li { display: flex; align-items: flex-start; gap: 10px; padding: 6px 2px; font-size: 14px; }
.blk-steps li > div { flex: 1; min-width: 0; display: grid; }
.blk-steps li small { color: var(--ink-3); font-size: 12.5px; }
.blk-steps li.pending .step-label { color: var(--ink-3); }
.blk-steps li.running .step-label { font-weight: 650; }
.blk-steps li.done .step-label { color: var(--ink-2); }
.step-state { font: 600 10.5px var(--f-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); padding-top: 3px; }
.blk-steps li.running .step-state { color: var(--machine); }
.blk-steps li.error .step-state { color: var(--bad); }
.step-dot { flex: none; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; border: 1.5px dashed var(--line-2); margin-top: 1px; }
.step-dot.running { border: 0; color: var(--machine); }
.step-dot.done { border: 0; background: var(--machine); color: var(--surface); animation: pop .3s var(--ease); }
.step-dot.error { border: 0; background: var(--bad); color: #fff; }
.step-dot.skipped { border-style: solid; opacity: .5; }

/* tasks (block and panel share rows) */
.blk-tasks { display: grid; gap: 6px; }
.blk-tasks header { margin-bottom: 2px; }
.task-row { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line-2); transition: border-color .15s, opacity .2s; }
.task-row:hover { border-color: var(--ink-3); }
.task-row.gone { color: var(--ink-3); font-size: 13px; font-style: italic; }
.task-check { flex: none; width: 22px; height: 22px; border-radius: 7px; border: 2px solid var(--ink-3); display: grid; place-items: center; margin-top: 1px; transition: background .15s, border-color .15s, transform .1s; color: var(--surface); }
.task-check:hover { border-color: var(--ok); }
.task-check:active { transform: scale(.9); }
.task-row.done .task-check { background: var(--ok); border-color: var(--ok); }
.task-main { flex: 1; min-width: 0; display: grid; gap: 4px; text-align: left; }
.task-title { font-weight: 600; font-size: 14.5px; line-height: 1.35; }
.task-row.done .task-title { text-decoration: line-through; color: var(--ink-3); }
.task-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; font-size: 12.5px; color: var(--ink-2); }
.task-meta > span { display: inline-flex; align-items: center; gap: 5px; }
.due { font-family: var(--f-mono); font-size: 11.5px; font-weight: 600; }
.due.soon { color: var(--warn); }
.due.overdue { color: var(--bad); }
.assignee.none { color: var(--ink-3); font-style: italic; }
.pill { font: 700 10px var(--f-mono); letter-spacing: .05em; text-transform: uppercase; padding: 3px 7px 2px; border-radius: 5px; }
.pill.in_progress { background: var(--machine-soft); color: var(--machine); }
.pill.waiting { background: var(--warn-soft); color: var(--warn); }
.task-row.compact { padding: 8px 10px; }