/* ChatBot – Chat-Oberfläche. Farben kommen als CSS-Variablen aus chat.php.
   .cb-mode-widget  kompaktes Fenster (Startknopf)
   .cb-page         ganze Seite / iFrame: Seitenleiste, Startansicht, Eingabe unten */
*,*::before,*::after{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font-family:var(--cb-font);color:var(--cb-text);background:var(--cb-bg);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.55}
button{font-family:inherit}
[hidden]{display:none!important}

.cb-layout{height:100%;display:flex;overflow:hidden}
.cb-app{flex:1;min-width:0;height:100%;display:flex;flex-direction:column;background:var(--cb-bg);position:relative}

.cb-avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-size:22px;line-height:1;flex-shrink:0;background:rgba(127,127,127,.14);overflow:hidden}
.cb-avatar img{width:100%;height:100%;object-fit:cover}
.cb-icon-btn{appearance:none;border:0;background:transparent;color:inherit;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;cursor:pointer;opacity:.85;flex-shrink:0}
.cb-icon-btn:hover,.cb-icon-btn:focus-visible{background:rgba(127,127,127,.16);opacity:1;outline:none}
.cb-icon-btn svg{width:19px;height:19px}

/* ============ Widget-Kopf ============ */
.cb-head{display:flex;align-items:center;gap:12px;padding:14px 14px 14px 18px;background:var(--cb-primary);color:var(--cb-primary-text);flex-shrink:0}
.cb-head .cb-avatar{background:rgba(255,255,255,.18)}
.cb-head .cb-icon-btn:hover{background:rgba(255,255,255,.16)}
.cb-head-text{flex:1;min-width:0}
.cb-title{font-weight:650;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cb-subtitle{font-size:12.5px;opacity:.85;display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cb-dot{width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 2px rgba(74,222,128,.25);flex-shrink:0}

/* ============ Nachrichten (gemeinsam) ============ */
.cb-msgs{flex:1;overflow-y:auto;padding:18px 16px 8px;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain}
.cb-row{display:flex;gap:8px;align-items:flex-end;max-width:100%;animation:cb-in .22s ease-out}
.cb-row.user{justify-content:flex-end}
.cb-row .cb-avatar{width:28px;height:28px;font-size:16px;background:var(--cb-bot)}
.cb-bubble{max-width:82%;padding:10px 14px;border-radius:calc(var(--cb-radius) + 2px);overflow-wrap:anywhere}
.cb-row.bot .cb-bubble{background:var(--cb-bot);color:var(--cb-bot-text);border-bottom-left-radius:5px}
.cb-row.user .cb-bubble{background:var(--cb-user);color:var(--cb-user-text);border-bottom-right-radius:5px;white-space:pre-wrap}
.cb-row.error .cb-bubble{background:#fef2f2!important;color:#991b1b!important;border:1px solid #fecaca}
.cb-bubble p{margin:0 0 .6em}.cb-bubble p:last-child{margin-bottom:0}
.cb-bubble ul,.cb-bubble ol{margin:.3em 0 .6em;padding-left:1.3em}
.cb-bubble li{margin:.15em 0}
.cb-bubble a{color:inherit;text-decoration:underline;text-underline-offset:2px;font-weight:550}
.cb-row.bot .cb-bubble a{color:var(--cb-primary)}
.cb-bubble code{font-family:ui-monospace,Consolas,monospace;font-size:.9em;background:rgba(127,127,127,.15);padding:.1em .35em;border-radius:5px}
.cb-bubble pre{background:rgba(127,127,127,.15);padding:10px;border-radius:8px;overflow-x:auto;margin:.4em 0}
.cb-bubble pre code{background:none;padding:0}
.cb-bubble strong{font-weight:650}
.cb-bubble .cb-h{font-weight:650;display:block;margin:.5em 0 .2em}
.cb-sources{margin-top:8px;padding-top:8px;border-top:1px solid rgba(127,127,127,.22);font-size:12.5px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.cb-sources span{opacity:.7;margin-right:2px}
.cb-sources a{display:inline-block;max-width:240px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:2px 9px;border-radius:999px;background:rgba(127,127,127,.14);text-decoration:none!important;font-weight:500}
.cb-sources a:hover{background:rgba(127,127,127,.24)}
.cb-typing .cb-bubble{display:flex;gap:4px;padding:14px 16px}
.cb-typing i{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.4;animation:cb-blink 1.2s infinite}
.cb-typing i:nth-child(2){animation-delay:.2s}.cb-typing i:nth-child(3){animation-delay:.4s}
@keyframes cb-blink{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:.9;transform:translateY(-3px)}}
@keyframes cb-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Vorschläge im Widget */
.cb-suggest{display:flex;flex-wrap:wrap;gap:6px;padding:4px 16px 8px;justify-content:flex-end}
.cb-suggest:empty{display:none}
.cb-chip{appearance:none;font:inherit;font-size:13px;cursor:pointer;border:1.5px solid var(--cb-primary);color:var(--cb-primary);background:transparent;padding:6px 12px;border-radius:999px;transition:background .15s,color .15s,border-color .15s;text-align:left;line-height:1.35}
.cb-chip:hover,.cb-chip:focus-visible{background:var(--cb-primary);color:var(--cb-primary-text);outline:none}

/* Eingabe (Widget) */
.cb-input-wrap{flex-shrink:0;background:var(--cb-bg)}
.cb-input{display:flex;align-items:flex-end;gap:8px;padding:10px 12px 12px;border-top:1px solid rgba(127,127,127,.18)}
.cb-input textarea{flex:1;resize:none;font:inherit;color:var(--cb-text);background:rgba(127,127,127,.08);border:1.5px solid rgba(127,127,127,.2);border-radius:calc(var(--cb-radius) - 2px);padding:10px 14px;max-height:160px;min-height:44px;line-height:1.4;outline:none;transition:border-color .15s}
.cb-input textarea:focus{border-color:var(--cb-primary)}
.cb-input textarea::placeholder{color:currentColor;opacity:.5}
.cb-send{appearance:none;border:0;cursor:pointer;width:44px;height:44px;border-radius:50%;background:var(--cb-primary);color:var(--cb-primary-text);display:grid;place-items:center;flex-shrink:0;transition:transform .12s,opacity .15s}
.cb-send:hover{transform:scale(1.05)}
.cb-send:disabled{opacity:.45;cursor:default;transform:none}
.cb-send svg{width:20px;height:20px}
.cb-mode-widget .cb-send svg{margin-left:2px}
.cb-foot{font-size:11.5px;text-align:center;opacity:.6;padding:0 14px 10px;line-height:1.35}
.cb-foot div+div{margin-top:2px}

/* ================================================================
   GANZE SEITE
   ================================================================ */
.cb-page{font-size:16px}

/* Seitenleiste */
.cb-side{width:300px;flex-shrink:0;height:100%;display:flex;flex-direction:column;background:var(--cb-page);border-right:1px solid rgba(127,127,127,.14)}
.cb-side-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 14px 10px 18px}
.cb-side-title{font-weight:700;font-size:20px;letter-spacing:-.01em}
.cb-new{appearance:none;cursor:pointer;display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--cb-text);
  background:var(--cb-bg);border:1px solid rgba(127,127,127,.25);border-radius:999px;padding:8px 16px;transition:border-color .15s,box-shadow .15s}
.cb-new span{font-size:18px;line-height:1;font-weight:500}
.cb-new:hover,.cb-new:focus-visible{border-color:var(--cb-primary);outline:none;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.cb-list{flex:1;overflow-y:auto;padding:6px 10px 12px}
.cb-group{font-size:12px;font-weight:600;opacity:.55;padding:14px 10px 4px;text-transform:none}
.cb-item{position:relative;display:flex;align-items:center;border-radius:10px;margin:1px 0}
.cb-item button.cb-open{appearance:none;flex:1;min-width:0;text-align:left;border:0;background:transparent;color:var(--cb-text);cursor:pointer;
  padding:9px 38px 9px 12px;border-radius:10px;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cb-item:hover button.cb-open,.cb-item button.cb-open:focus-visible{background:rgba(127,127,127,.1);outline:none}
.cb-item.on button.cb-open{background:rgba(127,127,127,.16);font-weight:550}
.cb-item .cb-del{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:30px;height:30px;opacity:0}
.cb-item:hover .cb-del,.cb-item.on .cb-del,.cb-item .cb-del:focus-visible{opacity:.6}
.cb-item .cb-del:hover{opacity:1}
.cb-item .cb-del svg{width:15px;height:15px}
.cb-list-empty{padding:12px;opacity:.5;font-size:14px}
.cb-side-foot{padding:12px 16px 14px;border-top:1px solid rgba(127,127,127,.14);font-size:12px}
.cb-side-note{opacity:.6;margin-top:6px;line-height:1.4}
.cb-brand{display:flex;align-items:center;gap:10px;min-width:0;font-weight:600;font-size:14px}
.cb-brand span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cb-brand .cb-avatar{width:30px;height:30px;font-size:17px}
.cb-scrim{display:none}

/* Kopfleiste nur auf schmalen Bildschirmen */
.cb-top{display:none;align-items:center;gap:8px;padding:10px 10px;border-bottom:1px solid rgba(127,127,127,.14);flex-shrink:0}
.cb-top .cb-brand{flex:1;justify-content:center}
.cb-page:not(.cb-with-side) .cb-top{display:flex;border-bottom:0;padding:12px 16px}
.cb-page:not(.cb-with-side) .cb-top .cb-brand{justify-content:flex-start}

/* Nachrichtenspalte */
.cb-page .cb-msgs{padding:28px 24px 16px;gap:22px}
.cb-page .cb-msgs>*{width:100%;max-width:820px;margin-left:auto;margin-right:auto}
.cb-page .cb-row{gap:12px;align-items:flex-start}
.cb-page .cb-row .cb-avatar{width:32px;height:32px;font-size:18px;margin-top:2px}
.cb-page .cb-row.bot .cb-bubble{background:transparent;color:var(--cb-text);padding:4px 0;max-width:100%;flex:1;border-radius:0}
.cb-page .cb-row.bot.error .cb-bubble{padding:10px 14px;border-radius:12px;flex:0 1 auto}
.cb-page .cb-row.user .cb-bubble{max-width:78%;padding:11px 18px;border-radius:calc(var(--cb-radius) + 6px);border-bottom-right-radius:calc(var(--cb-radius) + 6px)}
.cb-page .cb-typing .cb-bubble{flex:0 0 auto!important;padding:12px 0!important}
.cb-page .cb-suggest{display:none}

/* Startansicht */
.cb-page .cb-msgs.cb-empty{justify-content:center}
.cb-hero{text-align:center;padding:20px 0 40px;animation:cb-in .3s ease-out}
.cb-hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.15;font-weight:750;letter-spacing:-.025em;margin:0 0 14px}
.cb-hero .cb-intro{font-size:17px;opacity:.7;max-width:640px;margin:0 auto 10px}
.cb-hero .cb-intro p{margin:0 0 .5em}
.cb-hero .cb-intro a{color:var(--cb-primary)}
.cb-hero .cb-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 14px;margin-top:34px}
.cb-page .cb-chip{font-size:16px;padding:13px 24px;border:1px solid rgba(127,127,127,.28);color:var(--cb-text);background:var(--cb-bg);text-align:center}
.cb-page .cb-chip:hover,.cb-page .cb-chip:focus-visible{border-color:var(--cb-primary);background:var(--cb-bg);color:var(--cb-text);box-shadow:0 2px 10px rgba(0,0,0,.06)}

/* Eingabe unten als Pille */
.cb-page .cb-input-wrap{padding:6px 24px 22px}
.cb-page .cb-input{max-width:1110px;margin:0 auto;border:1px solid rgba(127,127,127,.25);border-radius:calc(var(--cb-radius) * 2 + 4px);
  padding:10px 12px 10px 28px;align-items:center;background:var(--cb-bg);box-shadow:0 2px 12px rgba(0,0,0,.04);transition:border-color .15s,box-shadow .15s}
.cb-page .cb-input:focus-within{border-color:rgba(127,127,127,.45);box-shadow:0 4px 18px rgba(0,0,0,.07)}
.cb-page .cb-input textarea{background:transparent;border:0;padding:12px 0;font-size:18px;min-height:48px;max-height:220px;border-radius:0}
.cb-page .cb-send{width:60px;height:60px}
.cb-page .cb-send svg{width:26px;height:26px}
.cb-page .cb-foot{padding:10px 0 0}

@media (max-width:760px){
  .cb-page{font-size:15px}
  .cb-with-side .cb-top{display:flex}
  .cb-with-side .cb-side{position:fixed;left:0;top:0;bottom:0;z-index:20;width:min(300px,86vw);transform:translateX(-100%);transition:transform .22s ease,box-shadow .22s}
  .cb-with-side.cb-side-open .cb-side{transform:none;box-shadow:0 0 40px rgba(0,0,0,.2)}
  .cb-with-side.cb-side-open .cb-scrim{display:block;position:fixed;inset:0;z-index:19;background:rgba(0,0,0,.35)}
  .cb-page .cb-msgs{padding:18px 14px 10px;gap:16px}
  .cb-page .cb-row .cb-avatar{display:none}
  .cb-page .cb-row.user .cb-bubble{max-width:88%}
  .cb-hero{padding-bottom:10px}
  .cb-hero .cb-chips{gap:8px;margin-top:22px}
  .cb-page .cb-chip{font-size:14px;padding:9px 16px}
  .cb-page .cb-input-wrap{padding:4px 10px max(10px,env(safe-area-inset-bottom))}
  .cb-page .cb-input{padding:6px 6px 6px 18px;border-radius:calc(var(--cb-radius) * 2)}
  .cb-page .cb-input textarea{font-size:16px;padding:9px 0;min-height:40px}
  .cb-page .cb-send{width:44px;height:44px}
  .cb-page .cb-send svg{width:22px;height:22px}
}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}