/* Naaptin – Web-Testclient (Anthrazit / WhatsApp-nah) */
:root{
  --anthracite:#23272b;
  --anthracite-2:#2b3036;
  --panel:#1f2327;
  --panel-2:#282d32;
  --line:#363c42;
  --text:#e7ebee;
  --muted:#93a0aa;
  --accent:#00a884;        /* dezenter Grün-Akzent (eigene Nachrichten) */
  --bubble-in:#2a2f34;
  --bubble-out:#0b5c4a;
  --danger:#e5545b;
}
*{box-sizing:border-box}
[hidden]{display:none !important}   /* muss display:flex/grid der Komponenten schlagen */
html,body{height:100%;margin:0;overflow:hidden;overscroll-behavior:none}
body{
  position:fixed;inset:0;width:100%;height:100%;
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  background:var(--anthracite);color:var(--text);
  touch-action:pan-y;-webkit-text-size-adjust:100%;
}
.app{display:grid;grid-template-columns:320px 1fr;height:100dvh;max-width:1200px;margin:0 auto;
  border-left:1px solid var(--line);border-right:1px solid var(--line);background:var(--panel)}

/* Sidebar */
.sidebar{display:flex;flex-direction:column;background:var(--panel);border-right:1px solid var(--line);min-width:0}
.side-head{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--anthracite-2);border-bottom:1px solid var(--line)}
.brand-logo{width:38px;height:38px;border-radius:10px}
.brand-txt{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-txt b{font-size:1.05rem}
.brand-txt span{font-size:.78rem;color:var(--muted)}
.chat-list{flex:1;overflow:auto}
.chat-item{display:flex;gap:12px;align-items:center;padding:12px 16px;cursor:pointer;border-bottom:1px solid var(--line)}
.chat-item.active,.chat-item:hover{background:var(--panel-2)}
.ci-txt{display:flex;flex-direction:column;min-width:0}
.ci-txt b{font-size:.95rem}
.ci-txt span{font-size:.8rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--accent);color:#062;display:grid;place-items:center;font-weight:800;flex:none;color:#04231c}
.avatar.big{width:40px;height:40px}
.side-foot{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-top:1px solid var(--line);background:var(--anthracite-2);font-size:.9rem}
.side-foot button{background:none;border:0;color:var(--muted);cursor:pointer;font-size:1rem}

/* Chat */
.chat{display:flex;flex-direction:column;min-width:0;background:
  linear-gradient(rgba(20,23,26,.85),rgba(20,23,26,.85))}
.chat-head{display:flex;align-items:center;gap:12px;padding:12px 18px;background:var(--anthracite-2);border-bottom:1px solid var(--line)}
.ch-txt{display:flex;flex-direction:column;line-height:1.2}
.ch-txt b{font-size:1rem}
.ch-txt span{font-size:.78rem;color:var(--accent);min-height:1em}
.messages{flex:1;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  padding:20px clamp(12px,5vw,60px);display:flex;flex-direction:column;gap:8px;min-height:0}
.msg{max-width:min(78%,560px);padding:8px 12px 6px;border-radius:10px;background:var(--bubble-in);
  box-shadow:0 1px 1px rgba(0,0,0,.3);align-self:flex-start;word-wrap:break-word;position:relative}
.msg.me{align-self:flex-end;background:var(--bubble-out)}
.msg .who{font-size:.76rem;font-weight:700;color:var(--accent);margin-bottom:2px}
.msg.me .who{display:none}
.msg .text{white-space:pre-wrap;line-height:1.35}
.msg .time{font-size:.66rem;color:var(--muted);float:right;margin:6px 0 -2px 10px}
.sys{align-self:center;background:rgba(0,0,0,.25);color:var(--muted);font-size:.78rem;padding:4px 12px;border-radius:20px}

/* Composer */
.composer{display:flex;gap:10px;padding:12px 16px;background:var(--anthracite-2);border-top:1px solid var(--line)}
.composer input{flex:1;background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  padding:12px 16px;border-radius:22px;font-size:1rem;outline:none}
.composer input:focus{border-color:var(--accent)}
.send{width:48px;height:48px;border-radius:50%;border:0;background:var(--accent);color:#04231c;
  cursor:pointer;display:grid;place-items:center;flex:none;transition:transform .12s}
.send:hover{transform:scale(1.06)}

/* Auth */
.auth{min-height:100dvh;display:grid;place-items:center;padding:20px;
  background:radial-gradient(1200px 600px at 50% -10%, #2b3036, var(--anthracite))}
.auth-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);
  border-radius:18px;padding:28px 26px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.auth-logo{width:64px;height:64px;border-radius:16px;margin-bottom:8px}
.auth-card h1{margin:0 0 18px;font-size:1.5rem}
.tabs{display:flex;background:var(--panel-2);border-radius:12px;padding:4px;margin-bottom:18px}
.tab{flex:1;padding:9px;border:0;background:none;color:var(--muted);font-weight:700;border-radius:9px;cursor:pointer}
.tab.active{background:var(--accent);color:#04231c}
.auth-form{display:flex;flex-direction:column;gap:10px}
.auth-form input{background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  padding:12px 14px;border-radius:10px;font-size:1rem;outline:none}
.auth-form input:focus{border-color:var(--accent)}
.auth-form>button{margin-top:4px;background:var(--accent);color:#04231c;border:0;padding:12px;
  border-radius:10px;font-weight:800;font-size:1rem;cursor:pointer}
.auth-msg{color:var(--danger);min-height:1.2em;margin:12px 0 0;font-size:.9rem}
.auth-msg.ok{color:var(--accent)}
.pw-wrap{position:relative;display:block}
.pw-wrap input{width:100%;padding-right:46px}
.pw-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);
  background:transparent !important;border:0 !important;box-shadow:none !important;margin:0 !important;
  color:var(--muted);cursor:pointer;padding:6px;display:grid;place-items:center;line-height:0;width:auto}
.pw-eye:hover{color:var(--text);background:transparent !important}

/* Sidebar extras */
.side-head{position:relative}
.icon-btn{background:none;border:0;color:var(--muted);font-size:1.2rem;cursor:pointer;margin-left:auto}
.new-chat{margin:10px;padding:11px;background:var(--accent);color:#04231c;border:0;border-radius:10px;
  font-weight:800;cursor:pointer}
.hint{color:var(--muted);font-size:.9rem;padding:16px;text-align:center}

/* Empty chat */
.chat-empty{flex:1;display:grid;place-items:center;text-align:center;color:var(--muted);gap:10px;padding:20px}
.chat-empty img{opacity:.5}
.chat-active{display:flex;flex-direction:column;height:100%}
.back{display:none;font-size:1.6rem}

/* Mobile */
@media(max-width:760px){
  .app{grid-template-columns:1fr}
  .chat{display:none}
  body.show-chat .sidebar{display:none}
  body.show-chat .chat{display:flex}
  .back{display:block}
}