/* LANE SWITCH Assistent · Chat-Layout (2026-10-29). Farben nur über Theme-Variablen. */
.ls-assistant{color:var(--ink);max-width:820px;margin-inline:auto}
.ls-chat{display:flex;flex-direction:column;height:calc(100dvh - 82px - 72px);min-height:480px;max-height:900px;background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.ls-chat-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);flex:none;flex-wrap:wrap}
.ls-chat-title{margin:0;font-size:18px;line-height:1.3;letter-spacing:-.015em}
.ls-chat-sub{margin:2px 0 0;font-size:13px;color:var(--muted)}
.ls-chat-tools{display:flex;gap:8px}
.ls-chat-log{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:18px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}
.ls-msg{max-width:min(88%,620px);padding:12px 15px;border-radius:18px;line-height:1.55;font-size:15px;overflow-wrap:anywhere}
.ls-msg p{margin:0}.ls-msg p+p,.ls-msg p+a,.ls-msg a+p,.ls-msg div+p,.ls-msg p+div,.ls-msg p+button,.ls-msg div+a,.ls-msg button+a{margin-top:10px}
.ls-msg-user{align-self:flex-end;background:var(--navy);color:#fff;border-bottom-right-radius:6px}
html[data-theme=dark] .ls-msg-user{background:var(--tint);color:var(--ink)}
.ls-msg-bot{align-self:flex-start;background:var(--bg);border:1px solid var(--line);border-bottom-left-radius:6px}
.ls-msg-title{font-weight:750}
.ls-msg-meta{font-size:12px;color:var(--muted)}
.ls-chat-topics{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.ls-chat-links{display:flex;flex-wrap:wrap;gap:8px}
.ls-chat-chip{font:inherit;font-size:14px;min-height:40px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);cursor:pointer;text-align:left;line-height:1.3}
.ls-chat-chip:hover{border-color:var(--teal);background:var(--tint)}
.ls-chat-chip[aria-pressed=true]{background:var(--tint);color:var(--teal);border-color:var(--teal);font-weight:700}
.ls-chat-chip:disabled{opacity:.5;cursor:default}
.ls-chat-primary{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:700}
.ls-chat-primary:hover{background:var(--navy);filter:brightness(1.2)}
html[data-theme=dark] .ls-chat-primary{background:var(--accent);border-color:var(--accent);color:var(--navy)}
.ls-chat-action{display:inline-flex;align-items:center;min-height:40px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--teal);font-weight:700;font-size:14px;text-decoration:none}
.ls-chat-action:hover{border-color:var(--teal)}
.ls-chat-contact{display:inline-flex;align-items:center;min-height:36px;color:var(--teal);font-size:14px;text-decoration:underline;text-underline-offset:3px}
.ls-chat-form{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line);background:var(--card);flex:none}
.ls-chat-form input{flex:1;min-width:0;min-height:48px;padding:12px 16px;border:1px solid var(--line);border-radius:999px;background:var(--bg);color:var(--ink);font:inherit;font-size:16px}
.ls-chat-form input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--tint)}
.ls-chat-send{display:grid;place-items:center;width:48px;height:48px;flex:none;border:0;border-radius:50%;background:var(--navy);color:#fff;cursor:pointer}
html[data-theme=dark] .ls-chat-send{background:var(--accent);color:var(--navy)}
.ls-chat-send:disabled{opacity:.5;cursor:default}
.ls-chat-send svg.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ls-chat-note{margin:0;padding:0 18px 12px;font-size:12px;line-height:1.5;color:var(--muted);background:var(--card);flex:none}
.ls-chat-note a{color:var(--teal);text-decoration:underline}
.ls-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ls-typing{display:inline-flex;gap:5px;padding:4px 2px}
.ls-typing i{width:8px;height:8px;border-radius:50%;background:var(--muted);animation:ls-dot 1.2s infinite ease-in-out}
.ls-typing i:nth-child(2){animation-delay:.15s}.ls-typing i:nth-child(3){animation-delay:.3s}
@keyframes ls-dot{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.ls-assistant :focus-visible{outline:3px solid var(--teal);outline-offset:2px}
@media(max-width:760px){
  .ls-chat{position:fixed;left:10px;right:10px;top:calc(77px + env(safe-area-inset-top));bottom:calc(92px + env(safe-area-inset-bottom));height:auto;min-height:0;max-height:none;z-index:35;border-radius:16px}
  html.ls-chat-open,html.ls-chat-open body{overflow:hidden}
  .ls-chat-head{padding:12px 14px}.ls-chat-log{padding:14px}.ls-msg{max-width:92%}
  .ls-chat-sub{display:none}
}
@media(prefers-reduced-motion:reduce){.ls-typing i{animation:none}.ls-chat-log{scroll-behavior:auto}}
@media print{.ls-chat{height:auto;max-height:none}.ls-chat-form,.ls-chat-tools,.ls-chat-note{display:none}}