/* R5 shared component. Only named header navigation/footer exceptions affect old areas. */
.e2c-dock{position:fixed;right:20px;bottom:16px;z-index:45;display:flex;align-items:center;gap:8px;max-width:calc(100vw - 24px)}
.e2c-dock a,.e2c-dock button{font:700 16px/1.35 Arial,Helvetica,sans-serif;min-height:48px;min-width:48px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--blue);border-radius:24px;padding:10px 16px;gap:8px;text-decoration:none;box-shadow:0 2px 10px #182b3a18}
.e2c-dock .e2c-help-link{color:var(--blue);background:var(--paper)}
.e2c-dock .e2c-launcher{color:var(--paper);background:var(--blue);cursor:pointer}
.e2c-dock .e2c-launcher:hover{background:var(--blue-hover)}
.e2c-dock a:hover{text-decoration:underline}
.e2c-panel{position:fixed;inset:auto 20px 16px auto;margin:0;padding:0;width:440px;max-width:calc(100vw - 32px);height:min(740px,calc(100dvh - 32px));max-height:none;border:1px solid var(--outline);border-radius:12px;background:var(--paper);color:var(--ink);box-shadow:0 8px 36px #182b3a30;font:18px/1.5 Arial,Helvetica,sans-serif;overflow:hidden}
.e2c-panel[open]{display:flex;flex-direction:column}
.e2c-panel::backdrop{background:#182b3a33}
.e2c-panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;border-bottom:1px solid var(--rule);flex-shrink:0}
.e2c-panel-head h2{font-size:20px;line-height:1.24}
.e2c-panel-head p{font-size:15px;color:var(--muted);margin-top:4px}
.e2c-panel button,.e2c-panel textarea{font:inherit;color:inherit}
.e2c-panel button{cursor:pointer}
.e2c-panel .e2c-close{background:transparent;border:0;font-size:30px;line-height:1;min-width:44px;min-height:44px;border-radius:6px;color:var(--ink)}
.e2c-panel .e2c-close:hover{background:var(--wash)}
.e2c-panel :is(button,a,textarea):focus-visible,.e2c-dock :is(button,a):focus-visible{outline:3px solid var(--blue);outline-offset:3px;box-shadow:0 0 0 3px var(--paper)}
.e2c-panel .e2c-stream{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:20px;scroll-behavior:auto}
.e2c-panel .e2c-stream:focus-visible{outline:2px solid var(--blue);outline-offset:-3px}
.e2c-panel h3{font-size:20px;line-height:1.3}
.e2c-panel p{overflow-wrap:anywhere}
.e2c-panel .e2c-intro p+p{margin-top:8px}.e2c-panel .e2c-welcome{font-size:20px;font-weight:700;line-height:1.3}
.e2c-panel .e2c-start{margin-top:16px}
.e2c-panel .e2c-choices{display:flex;flex-wrap:wrap;gap:8px}
.e2c-panel .e2c-choices button,.e2c-panel .e2c-suggestions button,.e2c-panel .e2c-followup,.e2c-panel .e2c-retry,.e2c-panel .e2c-stay{border:1px solid var(--rule);border-radius:6px;background:var(--paper);color:var(--blue);min-height:44px;padding:10px 12px;text-align:left;font-size:16px;line-height:1.35}
.e2c-panel .e2c-choices button[aria-pressed="true"]{border-color:var(--blue);background:var(--concept);color:var(--ink)}
.e2c-panel .e2c-suggestions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.e2c-panel .e2c-suggestions a{font-size:16px;line-height:1.4;display:flex;align-items:center;min-height:44px}
.e2c-panel .e2c-message{margin-top:20px;border-top:1px solid var(--rule);padding-top:16px}
.e2c-panel .e2c-message[data-role="user"]{border:0;background:var(--concept);padding:12px 16px;border-radius:10px;margin-left:20px}
.e2c-panel .e2c-speaker{font-size:14px;line-height:1.4;font-weight:700;color:var(--muted);margin-bottom:8px}
.e2c-panel .e2c-message p+p{margin-top:12px}
.e2c-panel .e2c-message-links{display:flex;flex-direction:column;align-items:start;gap:8px;margin-top:12px}
.e2c-panel .e2c-message-links a{font-size:16px;line-height:1.4;min-height:44px;display:flex;align-items:center}
.e2c-panel .e2c-status{font-size:15px;color:var(--muted);padding:0;flex-shrink:0}
.e2c-panel .e2c-status:not(:empty){padding-block:8px;border-top:1px solid var(--rule)}
.e2c-panel .e2c-compose{padding:12px 20px;border-top:1px solid var(--rule);flex-shrink:0}
.e2c-panel label{display:block;font-size:16px;font-weight:700;margin-bottom:8px}
.e2c-panel .e2c-input-row{display:flex;align-items:flex-end;gap:8px}
.e2c-panel textarea{display:block;width:100%;min-width:0;resize:none;padding:10px;border:1px solid var(--outline);border-radius:6px;line-height:1.4;font-size:16px;background:var(--paper)}
.e2c-panel textarea:disabled{background:var(--wash);color:var(--muted);opacity:1}
.e2c-panel .e2c-send{border:1px solid var(--blue);border-radius:6px;min-height:44px;min-width:60px;padding:10px;background:var(--blue);color:var(--paper);font-size:16px;font-weight:700}
.e2c-panel button:disabled{cursor:not-allowed;background:var(--wash);color:var(--muted);border-color:var(--rule)}
.e2c-panel .e2c-compose p{font-size:14px;line-height:1.4;color:var(--muted);margin-top:8px}
.e2c-panel .e2c-memory{font-size:13px}
.e2c-panel .e2c-panel-foot{padding:4px 0;display:flex;align-items:center;flex-wrap:wrap;gap:0 16px;flex-shrink:0}
.e2c-panel .e2c-panel-foot a,.e2c-panel .e2c-return{font-size:14px;line-height:1.4;min-height:44px;display:inline-flex;align-items:center;background:none;border:0;padding:0;color:var(--blue)}
.e2c-panel .e2c-return{text-decoration:underline;text-underline-offset:4px}
.e2c-panel .e2c-demo-label{background:var(--concept);padding:8px 20px;font-size:12px;font-weight:700;line-height:1.35;flex-shrink:0}
.e2c-panel .e2c-navigation{background:var(--wash);padding:16px;margin-top:20px}
.e2c-panel .e2c-navigation a{display:flex;align-items:center;min-height:44px;margin-block:8px}
.e2c-panel .e2c-latest{align-self:center;min-height:44px;background:var(--paper);color:var(--blue);border:1px solid var(--rule);border-radius:6px;font-size:14px;padding:8px 16px}
@media(max-width:599px){.e2c-dock{right:12px}.e2c-panel{inset:8px 8px auto auto;width:calc(100vw - 16px);max-width:none;height:calc(100dvh - 16px)}.e2c-panel-head{padding:12px 16px}.e2c-panel .e2c-stream{padding:16px}.e2c-panel .e2c-compose{padding:10px 16px}.e2c-panel .e2c-panel-foot{padding-inline:16px;gap:0 12px}.e2c-panel .e2c-demo-label{padding-inline:16px}}
@media(max-height:519px){.e2c-panel{height:calc(100dvh - 16px);inset:8px 8px auto auto}.e2c-panel-head{padding-block:8px}.e2c-panel-head p{display:none}.e2c-panel .e2c-compose p{font-size:12px;margin-top:4px}.e2c-panel .e2c-compose{padding-block:8px}.e2c-panel .e2c-stream{padding-block:12px}}

.header-row:has(.e2c-help-nav){position:relative}
.site-header .page-nav:has(.e2c-help-nav){flex-wrap:nowrap}
.e2c-help-nav:hover{text-decoration:underline}
@media(max-width:767px){.site-header .page-nav .e2c-help-nav{position:absolute;min-height:44px;min-width:44px;padding:10px 7px;white-space:nowrap}}
.e2c-panel .e2c-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;padding:0;margin:0}
.e2c-panel .e2c-safety{margin-top:16px;font-size:14px;line-height:1.4;color:var(--muted)}
.e2c-panel .e2c-safety summary{cursor:pointer;min-height:44px;display:flex;align-items:center;color:var(--blue)}
.e2c-panel .e2c-message-links .e2c-source-heading{font-size:14px;color:var(--muted);margin:0}
.e2c-panel .e2c-choices button,.e2c-panel .e2c-suggestions button{padding:8px 10px;font-size:15px}
.e2c-panel textarea[readonly]{background:var(--paper);color:var(--ink)}
@media(max-width:767px){.e2c-help-nav{font-size:15px;line-height:1.4}}
@media(max-height:519px){.e2c-panel .e2c-compose textarea{height:44px}.e2c-panel-head h2{font-size:18px}.e2c-panel .e2c-stream{min-height:68px}}

/* Keep layout measurable while a collision removes the entry from view/tab order. */
.e2c-dock:not([data-entry-visible="true"]){visibility:hidden;pointer-events:none}

/* Message-first opening; optional navigation, shared composer boundary. */
.e2c-panel .e2c-intro{background:var(--wash);border-radius:10px;padding:12px 14px}
.e2c-panel .e2c-welcome{font-size:18px;line-height:1.5;font-weight:400}
.e2c-panel .e2c-start{margin-top:8px}
.e2c-panel .e2c-choices{gap:16px}
.e2c-panel .e2c-choices button{border:0;border-bottom:2px solid transparent;border-radius:0;background:transparent;padding:8px 0;font-size:15px;min-height:44px}
.e2c-panel .e2c-choices button[aria-pressed="true"]{border-bottom-color:var(--blue);background:transparent;color:var(--ink)}
.e2c-panel .e2c-suggestions{gap:4px 8px;margin-top:8px}
.e2c-panel .e2c-suggestions button{border:0;border-radius:22px;background:var(--wash);padding:8px 12px;min-height:44px;width:auto;font-size:15px}
.e2c-panel .e2c-auxiliary{display:flex;flex-wrap:wrap;align-items:start;gap:0 16px;margin-top:12px}
.e2c-panel .e2c-safety{margin:0;flex:1 1 120px}
.e2c-panel .e2c-panel-foot{padding:0;flex:0 0 auto}
.e2c-panel .e2c-input-row{border:1px solid var(--outline);border-radius:12px;padding:4px;gap:4px;align-items:flex-end}
.e2c-panel .e2c-input-row:focus-within{outline:2px solid var(--blue);outline-offset:2px}
.e2c-panel .e2c-input-row textarea{border:0;border-radius:8px;min-height:44px;max-height:120px;overflow:auto;padding:10px 8px}
.e2c-panel .e2c-input-row textarea:focus-visible{outline:none;box-shadow:none}
.e2c-panel .e2c-send{border-radius:8px}
.e2c-panel .e2c-compose{padding-block:10px}
.help-page .machine-purpose{font-size:16px;line-height:1.45;color:var(--muted);margin-top:24px}

/* Run01: compact author notice, same R5 composer geometry. */
.e2c-panel .e2c-data-notice{font-size:14px;line-height:1.4;min-height:44px;display:inline-flex;align-items:center}
.e2c-panel .e2c-auxiliary>.e2c-demo-label{padding:0;font-weight:400;background:none;flex-basis:100%;font-size:12px;min-height:32px;display:flex;align-items:center}

/* Repair R1: compact, stable navigation and input-adjacent notice. */
.e2c-panel-head{gap:8px}
.e2c-panel-head>div{flex:1;min-width:0}
.e2c-panel-head .e2c-read-help{display:inline-flex;align-items:center;min-height:44px;font-size:14px;line-height:1.3;white-space:nowrap}
.e2c-panel-head .e2c-close{flex:0 0 44px}
.e2c-panel #e2c-input-guidance .e2c-data-notice{display:inline;font-size:inherit;line-height:inherit;min-height:0}
.e2c-panel .e2c-reconnect{border:1px solid var(--rule);border-radius:6px;background:var(--paper);color:var(--blue);min-height:44px;padding:8px 12px;font-size:16px}