/* Helmut — ChatGPT-Style + Helix immer sichtbar + Popup-Settings + User-Profil */
:root{--bg:#0a0a0f;--surface:#0f1014;--elevated:#1a1a24;--border:#1e1e2a;--text:#ececf1;--text2:#9a9aaa;--dim:#5a5a6a;--gold:#d4a843;--gold-soft:rgba(212,168,67,0.12);--gold2:#f5e6b8;--green:#4ade80;--red:#f87171;--user-bg:#1e1e2e;--r:12px}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;font-family:-apple-system,system-ui,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);font-size:16px;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}

/* SPLASH */
.splash{position:fixed;inset:0;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:200;transition:opacity 1s}
.splash.fade-out{opacity:0;pointer-events:none}
.splash-text{font-size:28px;font-weight:700;margin-top:24px;opacity:0;animation:fadeUp 1s .5s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* APP */
.app-container{display:flex;height:100vh;height:100dvh}

/* SIDEBAR */
.sidebar{width:240px;background:var(--surface);display:flex;flex-direction:column;padding:12px 8px;border-right:1px solid var(--border);flex-shrink:0}
.sidebar-top{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;margin-bottom:8px}
.sidebar-title{font-size:16px;font-weight:600}
.icon-btn{background:none;border:1px solid var(--border);color:var(--text2);width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;transition:.2s}
.icon-btn:hover{border-color:var(--gold);color:var(--gold)}
.sidebar-nav{flex:1;overflow-y:auto}
.nav-item{padding:10px 12px;border-radius:8px;color:var(--text2);font-size:14px;cursor:pointer;transition:.15s}
.nav-item:hover,.nav-item.active{background:var(--elevated);color:var(--text)}
.sidebar-sep{height:1px;background:var(--border);margin:8px 12px}

/* TOP BAR */
.top-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.top-left{display:flex;align-items:center;gap:8px}
.top-status{font-size:12px;color:var(--text2)}
.top-right{display:flex;align-items:center;gap:8px}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green);flex-shrink:0}
.dot-off{width:8px;height:8px;border-radius:50%;background:var(--dim);flex-shrink:0}
.user-btn{background:none;border:1px solid var(--border);border-radius:50%;width:32px;height:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.user-btn:hover{border-color:var(--gold)}
.user-avatar{font-size:13px;font-weight:700;color:var(--gold)}

/* MAIN */
.main-area{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}

/* HELIX (immer sichtbar, hinter Chat) */
.helix-bg{position:absolute;top:50%;left:50%;transform:translate(-50%,-55%);z-index:0;opacity:0.25;pointer-events:none;transition:opacity 1s}

/* CHAT */
.chat-view{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;z-index:1}
.messages{flex:1;overflow-y:auto}
.messages-inner{max-width:800px;margin:0 auto;padding:24px 20px;display:flex;flex-direction:column;gap:20px}
.bubble-row{display:flex;animation:msgIn .25s ease}
.bubble-row.user{justify-content:flex-end}
.bubble-row.bot{justify-content:flex-start}
.bubble{font-size:16px;line-height:1.75;max-width:85%;white-space:pre-wrap;word-break:break-word}
.user .bubble{background:var(--user-bg);padding:12px 16px;border-radius:18px;border-bottom-right-radius:4px}
.bot .bubble{padding:4px 0}
.bubble-meta{font-size:12px;color:var(--dim);margin-top:4px}
.voice-indicator{text-align:center;font-size:14px;color:var(--gold);padding:8px;min-height:30px}
@keyframes msgIn{from{opacity:0;transform:translateY(4px)}to{opacity:1}}

/* INPUT */
.input-area{padding:16px 20px 24px;flex-shrink:0;position:relative;z-index:1}
.input-box{display:flex;align-items:center;gap:8px;max-width:800px;margin:0 auto;background:var(--elevated);border:1px solid var(--border);border-radius:26px;padding:4px 8px 4px 16px;transition:border-color .2s,box-shadow .2s}
.input-box:focus-within{border-color:var(--gold);box-shadow:0 0 0 2px var(--gold-soft)}
.text-input{flex:1;background:none;border:none;color:var(--text);font-size:16px;padding:12px 4px;outline:none;font-family:inherit}
.text-input::placeholder{color:var(--dim)}
.mic-btn,.send-btn{width:38px;height:38px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:.2s}
.mic-btn{background:none;color:var(--text2)}
.mic-btn:hover{color:var(--gold);background:var(--gold-soft)}
.mic-btn.recording{background:var(--red);color:#fff;animation:pulse 1s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}
.send-btn{background:var(--gold);color:var(--bg);font-weight:700}
.send-btn:hover{background:var(--gold2)}

/* POPUP OVERLAY (Settings + User) */
.popup-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:100;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.popup{background:var(--surface);border:1px solid var(--border);border-radius:16px;width:90%;max-width:700px;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,0.5)}
.popup-sm{max-width:400px}
.popup-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.popup-title{font-size:16px;font-weight:600}
.popup-close{background:none;border:none;color:var(--text2);font-size:18px;cursor:pointer;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:.2s}
.popup-close:hover{background:var(--elevated);color:var(--text)}
.popup-body{display:flex;flex:1;overflow:hidden}
.popup-nav{width:180px;border-right:1px solid var(--border);padding:12px 8px;overflow-y:auto;flex-shrink:0}
.pnav{display:block;width:100%;text-align:left;padding:9px 12px;border:none;background:none;color:var(--text2);font-size:13px;border-radius:8px;cursor:pointer;font-family:inherit;transition:.15s;margin-bottom:2px}
.pnav:hover{background:var(--elevated);color:var(--text)}
.pnav.active{background:var(--gold-soft);color:var(--gold);font-weight:600}
.popup-content{flex:1;overflow-y:auto;padding:20px}

/* Cards in Popup */
.pt{font-size:18px;font-weight:700;margin-bottom:16px}
.card{background:var(--elevated);border:1px solid var(--border);border-radius:var(--r);padding:16px;margin-bottom:12px}
.card-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text2);margin-bottom:8px}
.cd{font-size:14px;color:var(--text2);line-height:1.6}
.stat-row{display:flex;justify-content:space-between;align-items:center;padding:7px 0;border-bottom:1px solid var(--border);font-size:14px}
.stat-row:last-child{border:none}
.stat-label{color:var(--text2)}
.stat-value{font-weight:600}
.stat-ok{color:var(--green)}
.stat-err{color:var(--red)}
.link{color:var(--gold);text-decoration:none;line-height:2}
.link:hover{text-decoration:underline}
.edit-input{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 14px;color:var(--text);font-size:14px;font-family:inherit;width:100%;margin:6px 0;outline:none}
.edit-input:focus{border-color:var(--gold)}
.save-btn{background:var(--gold);color:var(--bg);border:none;border-radius:8px;padding:10px 20px;font-weight:600;font-size:14px;cursor:pointer;margin-top:8px;transition:.2s}
.save-btn:hover{background:var(--gold2)}

/* LIGHT MODE */
[data-theme=light]{--bg:#f5f5fa;--surface:#fff;--elevated:#eef0f5;--border:#d8dae2;--text:#0a0a14;--text2:#4a4a5a;--dim:#8a8a9a;--gold:#8b6914;--gold-soft:rgba(139,105,20,0.08);--gold2:#c4a24a;--green:#16a34a;--red:#dc2626;--user-bg:#e8e8f0}

/* TOGGLES */
.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}
.toggle-row:last-child{border:none}
.toggle-label{font-size:14px;color:var(--text)}
.toggle-sw{width:40px;height:22px;background:var(--border);border-radius:11px;position:relative;cursor:pointer;transition:.2s;flex-shrink:0}
.toggle-sw.on{background:var(--green)}
.toggle-sw::after{content:'';position:absolute;width:18px;height:18px;background:#fff;border-radius:50%;top:2px;left:2px;transition:.2s}
.toggle-sw.on::after{left:20px}

/* CHAT-HISTORIE */
.chat-item{display:flex;align-items:center;justify-content:space-between;padding-right:4px}
.chat-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}
.chat-del{background:none;border:none;color:var(--dim);cursor:pointer;font-size:12px;padding:4px;border-radius:4px;opacity:0;transition:.2s}
.chat-item:hover .chat-del{opacity:1}
.chat-del:hover{color:var(--red);background:var(--elevated)}
.chat-active{background:var(--gold-soft)!important;color:var(--gold)!important}

/* PROFIL */
.profile-pic{width:80px;height:80px;border-radius:50%;object-fit:cover;display:block;margin:8px auto}
.profile-pic-empty{width:80px;height:80px;border-radius:50%;background:var(--elevated);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;margin:8px auto;font-size:28px;font-weight:700;color:var(--gold)}
.avatar-img{width:100%;height:100%;border-radius:50%;object-fit:cover}

/* LOGIN — iOS: position absolute statt fixed (Tastatur-Problem) */
.login-screen{position:absolute;inset:0;background:var(--bg);display:flex;align-items:flex-start;justify-content:center;z-index:150;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:40px 0}
.login-box{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px;max-width:380px;width:90%;text-align:center;margin:auto}
.login-helix{margin:0 auto 16px}
.login-title{font-size:28px;font-weight:700;margin-bottom:4px}
.login-subtitle{font-size:14px;color:var(--text2);margin-bottom:24px}
.login-hint{font-size:12px;color:var(--dim);margin-top:8px;min-height:18px}
.login-hint.error{color:var(--red)}
.login-hint.ok{color:var(--green)}
.login-setup{margin-top:20px}
.login-progress{height:4px;background:var(--border);border-radius:2px;overflow:hidden}
.login-progress-bar{height:100%;background:var(--gold);width:0%;transition:width .5s ease}
.login-step{font-size:13px;color:var(--text2);margin-top:8px}
.role-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;margin-left:8px}
.role-admin{background:var(--gold);color:var(--bg)}
.role-user{background:var(--elevated);color:var(--text2)}
.role-probe{background:var(--border);color:var(--dim)}

/* Canvas darf keine Touch-Events abfangen */
canvas{pointer-events:none}
/* Install-Banner verstecken wenn Login sichtbar */
.login-screen ~ #installBanner,.login-screen:not(.hidden) ~ #installBanner{display:none!important}

/* RESPONSIVE — Alle Geraete: Mobile / Tablet / Desktop */

/* Tablet Landscape + kleine Desktops (768-1024px) */
@media(max-width:1024px){
  .sidebar{width:200px}
  .popup{max-width:90%;max-height:90vh}
}

/* Tablet Portrait + grosse Phones (max 768px) */
@media(max-width:768px){
  .sidebar{display:none}
  .popup{width:100%;max-width:100%;max-height:100vh;max-height:100dvh;border-radius:0;height:100vh;height:100dvh}
  .popup-nav{width:100%;border-right:none;border-bottom:1px solid var(--border);padding:8px;display:flex;flex-wrap:wrap;gap:4px;overflow-x:auto;overflow-y:hidden;flex-shrink:0;-webkit-overflow-scrolling:touch}
  .pnav{display:inline-block;width:auto;padding:6px 10px;font-size:12px;white-space:nowrap}
  .popup-body{flex-direction:column}
  .popup-content{padding:12px}
  .bubble{max-width:95%}
  .input-area{padding:8px 12px 16px;padding-bottom:calc(16px + env(safe-area-inset-bottom,0px))}
  .login-box{max-width:100%;width:100%;border-radius:0;padding:24px 20px;border:none}
  .login-screen{align-items:flex-start;padding-top:env(safe-area-inset-top,40px)}
  .top-bar{padding-top:env(safe-area-inset-top,0px)}
  .app-container{height:100vh;height:100dvh}
  .main-area{padding-bottom:env(safe-area-inset-bottom,0px)}
  .card{padding:12px}
  .pt{font-size:16px}
}

/* Kleine Phones (max 380px) */
@media(max-width:380px){
  .pnav{font-size:11px;padding:5px 8px}
  .login-box{padding:16px 12px}
}

/* Desktop: Login-Box etwas groesser */
@media(min-width:769px){
  .login-box{max-width:420px;padding:48px}
  .login-screen{align-items:center;padding:0}
}