.aa-breadcrumb { font-size: .85rem; opacity: .75; margin-bottom: 14px; }
        .aa-breadcrumb a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
        .aa-breadcrumb span[aria-hidden] { margin: 0 6px; }
        .aa-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 28px; }
        .aa-btn-outline { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px; border: 1px solid rgba(128,128,128,.45); color: inherit; font-weight: 600; text-decoration: none; }
        .aa-btn-outline:hover { background: rgba(128,128,128,.1); }

        .aa-section { padding: 88px 0; }
        .aa-first { padding-top: 72px; }
        .aa-split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
        .aa-split.aa-reverse { grid-template-columns: 1.2fr 1fr; }
        .aa-split.aa-reverse .aa-copy { order: 2; }
        .aa-copy p { line-height: 1.7; opacity: .85; }
        .aa-copy .section-header { text-align: left; margin-bottom: 18px; }
        .aa-lead { text-align: center; max-width: 700px; margin: 0 auto 36px; line-height: 1.7; opacity: .85; }
        .aa-note { font-size: .78rem; opacity: .6; margin-top: 10px; }
        .aa-note-center { text-align: center; }
        .aa-related { text-align: center; margin-top: 36px; font-size: .95rem; line-height: 1.7; }
        .aa-related a { color: inherit; font-weight: 600; text-underline-offset: 3px; }
        .aa-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
        .aa-list li { display: flex; gap: 12px; align-items: flex-start; line-height: 1.5; }
        .aa-tick { flex: none; width: 22px; height: 22px; border-radius: 50%; background: rgba(22,163,74,.15); color: #16a34a; display: grid; place-items: center; margin-top: 1px; }
        .aa-tick svg { width: 13px; height: 13px; }

        /* Window chrome */
        .aa-window { position: relative; border: 1px solid rgba(128,128,128,.28); border-radius: 18px; overflow: hidden; background: rgba(128,128,128,.06); box-shadow: 0 24px 56px -28px rgba(0,0,0,.4); min-width: 0; }
        .aa-window [hidden] { display: none !important; }
        .aa-window-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid rgba(128,128,128,.22); font-size: .82rem; }
        .aa-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(128,128,128,.4); }
        .aa-window-title { margin-left: 8px; font-weight: 600; }
        .aa-live { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: #16a34a; }
        .aa-live i { width: 8px; height: 8px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 0 0 rgba(22,163,74,.5); animation: aaPulse 2s infinite; }
        @keyframes aaPulse { 70% { box-shadow: 0 0 0 7px rgba(22,163,74,0); } 100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); } }
        .aa-body { padding: 16px; display: grid; gap: 14px; }
        .aa-chip { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 999px; font-size: .73rem; font-weight: 600; white-space: nowrap; }
        .aa-chip.ok { background: rgba(22,163,74,.15); color: #16a34a; }
        .aa-chip.muted { background: rgba(128,128,128,.2); }
        .aa-li-title { font-weight: 600; font-size: .9rem; }
        .aa-li-sub { font-size: .75rem; opacity: .65; margin-top: 1px; }
        .aa-av { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-size: .64rem; font-weight: 700; color: #fff; background: linear-gradient(135deg, #60a5fa, #2563eb); }
        .aa-av.learner { background: linear-gradient(135deg, #fb923c, #ea580c); }

        /* Workspace */
        .aa-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; padding: 10px 14px; border-bottom: 1px solid rgba(128,128,128,.22); }
        .aa-tools, .aa-swatches, .aa-zoom, .aa-pager { display: flex; align-items: center; gap: 6px; }
        .aa-nav { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-left: auto; align-items: center; }
        .aa-tool, .aa-icon-btn { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid transparent; background: transparent; color: inherit; border-radius: 9px; cursor: pointer; padding: 0; }
        .aa-tool:hover, .aa-icon-btn:hover:not(:disabled) { background: rgba(128,128,128,.14); }
        .aa-tool[aria-pressed="true"] { background: rgba(128,128,128,.22); border-color: rgba(128,128,128,.5); }
        .aa-icon-btn:disabled { opacity: .35; cursor: default; }
        .aa-tool svg, .aa-icon-btn svg { width: 18px; height: 18px; }
        .aa-swatch { width: 24px; height: 24px; border-radius: 50%; border: 2px solid transparent; background: var(--aa-c); cursor: pointer; padding: 0; box-shadow: 0 0 0 1px rgba(128,128,128,.35); }
        .aa-swatch[aria-pressed="true"] { border-color: var(--bg, #fff); box-shadow: 0 0 0 2px currentColor; }
        .aa-zoom-label, .aa-pg-label { font-size: .8rem; font-weight: 600; min-width: 48px; text-align: center; }
        .aa-tool:focus-visible, .aa-icon-btn:focus-visible, .aa-swatch:focus-visible, .aa-btn:focus-visible, .aa-stage-btn:focus-visible, .aa-block:focus-visible, .aa-ann-del:focus-visible, .aa-stage:focus-visible { outline: 2px solid #2563eb; outline-offset: 2px; }
        .aa-hint { margin: 0; padding: 8px 16px; font-size: .8rem; opacity: .75; border-bottom: 1px solid rgba(128,128,128,.14); }
        .aa-work-body { display: grid; grid-template-columns: 1fr 320px; }
        .aa-stage { height: 520px; overflow: auto; padding: 22px; background-color: rgba(128,128,128,.1); background-image: radial-gradient(rgba(128,128,128,.28) 1px, transparent 1px); background-size: 14px 14px; --aa-zoom: 1; }
        .aa-paper { background: #fff; color: #1f2937; border-radius: 6px; box-shadow: 0 6px 24px -10px rgba(0,0,0,.35); max-width: 620px; margin: 0 auto 22px; font-size: calc(.92rem * var(--aa-zoom)); }
        .aa-paper-inner { padding: 36px 40px 22px; }
        .aa-doc-h { font-size: 1.55em; line-height: 1.2; margin: 0 0 6px; color: #111827; letter-spacing: -.01em; }
        .aa-doc-s { margin: 0 0 22px; color: #6b7280; font-weight: 600; }
        .aa-block { margin: 0 -8px 12px; padding: 6px 8px; border-radius: 6px; line-height: 1.65; text-align: left; }
        .aa-block.is-interactive { cursor: pointer; }
        .aa-block.is-interactive:hover { background: rgba(17,24,39,.05); }
        .aa-block.aa-t-text { background: color-mix(in srgb, var(--aa-c) 26%, transparent); }
        .aa-block.aa-t-box { outline: 2px solid var(--aa-c); outline-offset: 1px; background: color-mix(in srgb, var(--aa-c) 8%, transparent); }
        .aa-block.is-pending { outline: 2px dashed var(--aa-c); outline-offset: 1px; }
        .aa-block.is-flash { animation: aaFlash 1.3s ease; }
        @keyframes aaFlash { 0%, 100% { box-shadow: 0 0 0 0 transparent; } 30% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--aa-c, #3b82f6) 35%, transparent); } }
        .aa-paper-foot { text-align: center; font-size: .75em; color: #9ca3af; margin-top: 18px; }

        .aa-panel { border-left: 1px solid rgba(128,128,128,.22); display: flex; flex-direction: column; height: 520px; min-width: 0; }
        .aa-panel-head { padding: 14px 16px; border-bottom: 1px solid rgba(128,128,128,.18); }
        .aa-panel-head strong { display: block; font-size: .95rem; }
        .aa-panel-count { display: block; font-size: .78rem; opacity: .65; margin-top: 2px; }
        .aa-ann-list { flex: 1; overflow: auto; padding: 12px; display: grid; gap: 12px; align-content: start; }
        .aa-ann { position: relative; border: 1px solid rgba(128,128,128,.25); border-radius: 12px; padding: 12px; background: rgba(128,128,128,.05); display: grid; gap: 8px; cursor: pointer; }
        .aa-ann:hover { background: rgba(128,128,128,.1); }
        .aa-ann.is-flash { animation: aaFlash 1.3s ease; }
        .aa-ann-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
        .aa-ann-name { font-weight: 600; font-size: .82rem; }
        .aa-ann-meta { margin-left: auto; font-size: .68rem; opacity: .7; border: 1px solid rgba(128,128,128,.3); border-radius: 6px; padding: 2px 6px; }
        .aa-ann-text { margin: 0; font-size: .85rem; line-height: 1.5; }
        .aa-ann-sel, .aa-sel-preview { border-radius: 8px; padding: 8px 10px; background: color-mix(in srgb, var(--aa-c, #3b82f6) 14%, transparent); display: grid; gap: 2px; }
        .aa-ann-sel strong, .aa-sel-preview strong { font-size: .8rem; color: var(--aa-c, #3b82f6); }
        .aa-ann-sel em, .aa-sel-preview em { font-size: .75rem; opacity: .75; }
        .aa-ann-del { justify-self: start; border: 0; background: transparent; color: #b91c1c; padding: 4px; border-radius: 6px; cursor: pointer; display: grid; place-items: center; }
        .aa-ann-del:hover { background: rgba(185,28,28,.12); }
        .aa-ann-del svg { width: 16px; height: 16px; }
        .aa-empty { padding: 16px; font-size: .85rem; opacity: .7; margin: 0; }
        .aa-composer { padding: 12px; border-bottom: 1px solid rgba(128,128,128,.22); display: grid; gap: 8px; background: rgba(128,128,128,.07); }
        .aa-label { font-size: .78rem; font-weight: 600; }
        .aa-composer textarea { width: 100%; font: inherit; font-size: .85rem; color: inherit; background: rgba(128,128,128,.08); border: 1px solid rgba(128,128,128,.35); border-radius: 8px; padding: 8px 10px; resize: vertical; min-height: 64px; }
        .aa-error { margin: 0; font-size: .78rem; color: #dc2626; font-weight: 600; }
        .aa-composer-actions { display: flex; gap: 8px; }
        .aa-btn { font: inherit; font-size: .8rem; font-weight: 600; padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(128,128,128,.4); background: transparent; color: inherit; cursor: pointer; }
        .aa-btn:hover { background: rgba(128,128,128,.14); }
        .aa-btn-primary { background: #2563eb; border-color: #2563eb; color: #fff; }
        .aa-btn-primary:hover { background: #1d4ed8; }

        /* Journey */
        .aa-stages { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 10px; }
        .aa-stage-btn { width: 100%; display: flex; gap: 14px; align-items: flex-start; text-align: left; font: inherit; color: inherit; background: transparent; border: 1px solid rgba(128,128,128,.28); border-radius: 14px; padding: 14px 16px; cursor: default; }
        .aa-stage-btn strong { display: block; font-size: .98rem; margin-bottom: 3px; }
        .aa-stage-text { display: block; font-size: .88rem; line-height: 1.55; opacity: .8; }
        .aa-stage-num { flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: .82rem; background: rgba(128,128,128,.2); }
        .aa-js .aa-stage-btn { cursor: pointer; }
        .aa-js .aa-stage-btn:hover { background: rgba(128,128,128,.08); }
        .aa-js .aa-stage-btn[aria-pressed="true"] { background: rgba(128,128,128,.14); border-color: rgba(128,128,128,.65); }
        .aa-js .aa-stage-btn[aria-pressed="true"] .aa-stage-num { background: #2563eb; color: #fff; }
        .aa-sub-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
        .aa-sub-title { font-weight: 700; font-size: 1.05rem; margin-right: 4px; }
        .aa-tabs-static { display: inline-flex; gap: 4px; padding: 4px; border-radius: 10px; background: rgba(128,128,128,.12); width: fit-content; font-size: .8rem; font-weight: 600; }
        .aa-tabs-static span { padding: 6px 16px; border-radius: 7px; opacity: .7; }
        .aa-tabs-static span.is-on { background: rgba(128,128,128,.26); opacity: 1; }
        .aa-tabs-static i { font-style: normal; font-size: .7rem; padding: 1px 6px; border-radius: 99px; background: rgba(128,128,128,.25); margin-left: 4px; }
        .aa-file { display: flex; align-items: center; gap: 12px; border: 1px solid rgba(128,128,128,.28); border-radius: 12px; padding: 12px 14px; flex-wrap: wrap; }
        .aa-file-ico { flex: none; width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center; background: rgba(220,38,38,.12); color: #dc2626; }
        .aa-file-ico svg { width: 20px; height: 20px; }
        .aa-file-info { flex: 1; min-width: 140px; }
        .aa-file-act { display: grid; place-items: center; width: 30px; height: 30px; opacity: .8; }
        .aa-file-act svg { width: 18px; height: 18px; }
        .aa-file-edit { color: #2563eb; opacity: 1; }
        .aa-comments { border-top: 1px solid rgba(128,128,128,.2); padding-top: 12px; display: grid; gap: 12px; }
        .aa-comments-title { font-weight: 700; }
        .aa-msg { display: flex; gap: 10px; align-items: flex-start; }
        .aa-msg-meta { display: flex; gap: 8px; align-items: baseline; font-size: .82rem; }
        .aa-msg-meta span { font-size: .72rem; opacity: .6; }
        .aa-msg p { margin: 3px 0 0; font-size: .86rem; line-height: 1.5; }

        /* OTJ hours */
        .aa-hours { margin: 0; display: grid; }
        .aa-hours > div { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 2px; border-top: 1px solid rgba(128,128,128,.2); font-size: .88rem; }
        .aa-hours dt { opacity: .75; }
        .aa-hours dd { margin: 0; font-weight: 600; min-width: 72px; }
        .aa-fake-input { display: block; width: 72px; height: 30px; border: 1px solid rgba(128,128,128,.4); border-radius: 8px; }

        .aa-caps, .aa-who { margin-top: 44px; }
        @media (min-width: 769px) { .aa-who.features-grid { grid-template-columns: repeat(3, 1fr); } }

        @media (max-width: 1000px) { .aa-work-body { grid-template-columns: 1fr; } .aa-panel { border-left: 0; border-top: 1px solid rgba(128,128,128,.22); height: auto; max-height: 480px; } .aa-stage { height: 440px; } }
        @media (max-width: 900px) {
            .aa-section { padding: 64px 0; }
            .aa-split, .aa-split.aa-reverse { grid-template-columns: 1fr; gap: 32px; }
            .aa-split.aa-reverse .aa-copy { order: 0; }
        }
        @media (max-width: 640px) {
            .aa-stage { padding: 12px; }
            .aa-paper-inner { padding: 22px 20px 16px; }
            .aa-nav { margin-left: 0; }
            .aa-toolbar { gap: 10px 16px; }
        }
        @media (prefers-reduced-motion: reduce) { .aa-live i, .aa-block.is-flash, .aa-ann.is-flash { animation: none; } }