/* ============================================================================ FleiTec Chat — styles.css Claude.ai-artige Chat-Web-App. Reines, modernes CSS (kein Build-Schritt). Custom Properties, Flexbox, Grid. Voll responsive (Desktop + Mobil). Zwei DUNKLE Themes via html[data-theme="..."]. ============================================================================ */ /* ============================================================================ 1. THEME-SYSTEM (CSS Custom Properties) --------------------------------------------------------------------------- Alle Farben sind Variablen auf :root. Themes ueberschreiben sie via Attribut-Selektor am -Element. Beide Themes sind dunkel. ============================================================================ */ :root { /* Fallback = FleiTec (Standard-Theme) */ --bg-app: #0c0e1f; --bg-sidebar: #0a0b18; --bg-elevated: #15172b; --bg-hover: rgba(255, 255, 255, 0.06); --text: #e9ebf5; --text-muted: #9aa0bb; --border: rgba(255, 255, 255, 0.08); --user-bubble: #1b2142; --accent: #2f86ff; --accent-grad: linear-gradient(135deg, #2f80ff, #36c5ff); --accent-text: #fff; --code-bg: #0b0d1c; --code-head: #11132a; --ring: rgba(54, 150, 255, 0.5); /* App-Hintergrund (dezenter Verlauf, ahmt Unity-Splash nach) */ --app-bg-image: radial-gradient(900px 500px at 25% 12%, rgba(60, 55, 140, 0.30), transparent 60%), radial-gradient(800px 600px at 85% 88%, rgba(30, 60, 140, 0.25), transparent 60%), linear-gradient(160deg, #0a0a1c, #0c0e22); /* Gemeinsame Design-Tokens */ --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; --font-serif: Georgia, "Times New Roman", serif; --font-mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", "Fira Code", Consolas, "Liberation Mono", Menlo, monospace; --radius-sm: 8px; --radius: 12px; /* Buttons/Inputs */ --radius-card: 16px; /* Karten */ --radius-composer: 24px; /* Composer */ --radius-pill: 999px; --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35); --shadow: 0 8px 24px rgba(0, 0, 0, 0.40); --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.55); --sidebar-w: 260px; --content-max: min(100% - 2.5rem, 1700px); /* Nachrichten + Composer: möglichst breit */ --t-fast: 0.15s ease; --t: 0.2s ease; } /* THEME: FleiTec (dunkles Navy + blauer Gradient-Akzent) */ html[data-theme="fleitec"] { --bg-app: #0c0e1f; --bg-sidebar: #0a0b18; --bg-elevated: #15172b; --bg-hover: rgba(255, 255, 255, 0.06); --text: #e9ebf5; --text-muted: #9aa0bb; --border: rgba(255, 255, 255, 0.08); --user-bubble: #1b2142; --accent: #2f86ff; --accent-grad: linear-gradient(135deg, #2f80ff, #36c5ff); --accent-text: #fff; --code-bg: #0b0d1c; --code-head: #11132a; --ring: rgba(54, 150, 255, 0.5); --app-bg-image: radial-gradient(900px 500px at 25% 12%, rgba(60, 55, 140, 0.30), transparent 60%), radial-gradient(800px 600px at 85% 88%, rgba(30, 60, 140, 0.25), transparent 60%), linear-gradient(160deg, #0a0a1c, #0c0e22); } /* THEME: Claude (warmes Anthrazit + Clay/Rust-Akzent) */ html[data-theme="claude"] { --bg-app: #262624; --bg-sidebar: #1f1e1d; --bg-elevated: #30302e; --bg-hover: rgba(255, 255, 255, 0.055); --text: #ecebe4; --text-muted: #9b9a92; --border: rgba(255, 255, 255, 0.09); --user-bubble: #393937; --accent: #c96442; --accent-grad: #c96442; --accent-text: #fff; --code-bg: #1c1c1a; --code-head: #262624; --ring: rgba(201, 100, 66, 0.5); /* Einfarbiger Hintergrund (kein Verlauf) */ --app-bg-image: none; } /* ============================================================================ 2. RESET & BASIS ============================================================================ */ *, *::before, *::after { box-sizing: border-box; } html, body { height: 100%; margin: 0; } body { font-family: var(--font-sans); font-size: 15px; line-height: 1.5; color: var(--text); background-color: var(--bg-app); background-image: var(--app-bg-image); background-attachment: fixed; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; } button { font-family: inherit; font-size: inherit; color: inherit; cursor: pointer; } input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; } a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; } /* ============================================================================ 3. GLOBALE HELFER ============================================================================ */ .hidden { display: none !important; } [hidden] { display: none; } .muted { color: var(--text-muted); } /* Fokus-Ringe (Tastatur-Navigation) */ :focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ring); } /* ============================================================================ 4. SCROLLBARS (dezent dunkel) ============================================================================ */ * { scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, 0.18) transparent; } *::-webkit-scrollbar { width: 10px; height: 10px; } *::-webkit-scrollbar-track { background: transparent; } *::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.16); border-radius: var(--radius-pill); border: 2px solid transparent; background-clip: content-box; } *::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.28); background-clip: content-box; } /* ============================================================================ 5. BUTTONS (gemeinsame Varianten) ============================================================================ */ /* Primaer-Button (Akzent-Gradient) */ .btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.7rem 1.2rem; border: none; border-radius: var(--radius); background: var(--accent-grad); color: var(--accent-text); font-weight: 600; box-shadow: var(--shadow-sm); transition: filter var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast); } .btn-primary:hover { filter: brightness(1.08); box-shadow: var(--shadow); } .btn-primary:active { transform: translateY(1px); } .btn-primary:disabled { opacity: 0.55; cursor: not-allowed; filter: none; } .btn-block { display: flex; width: 100%; } /* Ghost-Button (transparent, dezenter Rahmen) */ .btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.7rem 1.2rem; border: 1px solid var(--border); border-radius: var(--radius); background: transparent; color: var(--text); font-weight: 500; transition: background var(--t-fast), border-color var(--t-fast); } .btn-ghost:hover { background: var(--bg-hover); border-color: rgba(255, 255, 255, 0.18); } /* Icon-Button (rund/quadratisch, nur Icon) */ .icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; padding: 0; border: none; border-radius: var(--radius); background: transparent; color: var(--text-muted); transition: background var(--t-fast), color var(--t-fast); } .icon-btn:hover { background: var(--bg-hover); color: var(--text); } .icon-btn svg { display: block; } /* ============================================================================ 6. AUTH-SCREEN ============================================================================ */ .auth-screen { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; padding: 1.5rem; background-color: var(--bg-app); background-image: var(--app-bg-image); z-index: 100; } .auth-card { width: 100%; max-width: 400px; padding: 2.25rem 2rem; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-lg); text-align: center; } .auth-brand { display: flex; align-items: center; justify-content: center; min-height: 44px; margin-bottom: 1.25rem; } .auth-brand svg, .auth-brand img { height: 92px; width: auto; } .auth-title { margin: 0 0 0.35rem; font-size: 1.5rem; font-weight: 650; letter-spacing: -0.01em; } .auth-sub { margin: 0 0 1.75rem; color: var(--text-muted); font-size: 0.95rem; } .auth-form { display: flex; flex-direction: column; gap: 1rem; text-align: left; } /* Feld: Label ueber Input gestapelt */ .field { display: flex; flex-direction: column; gap: 0.4rem; } .field > span { font-size: 0.85rem; font-weight: 500; color: var(--text-muted); } .field input { width: 100%; padding: 0.7rem 0.85rem; background: var(--bg-app); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); transition: border-color var(--t-fast), box-shadow var(--t-fast); } .field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring); } .auth-error { padding: 0.6rem 0.85rem; border-radius: var(--radius); background: rgba(229, 84, 84, 0.12); border: 1px solid rgba(229, 84, 84, 0.35); color: #ff9b9b; font-size: 0.88rem; } .auth-switch { margin: 1.5rem 0 0; font-size: 0.9rem; color: var(--text-muted); text-align: center; } .auth-switch a { font-weight: 600; } /* ============================================================================ 7. APP-LAYOUT (Grid: Sidebar | Main | optional Artifact) ============================================================================ */ .app { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); grid-template-rows: 100%; height: 100vh; height: 100dvh; /* schrumpft bei offener Tastatur via interactive-widget=resizes-content */ width: 100%; overflow: hidden; } /* Wenn Artifact-Panel offen ist: rechte Spalte ergaenzen */ .app.with-artifact { grid-template-columns: var(--sidebar-w) minmax(0, 1fr) min(46%, 560px); } /* Scrim (Overlay hinter Off-Canvas-Sidebar auf Mobil) */ .scrim { display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.5); z-index: 40; opacity: 0; transition: opacity var(--t); } /* ============================================================================ 8. SIDEBAR ============================================================================ */ .sidebar { grid-column: 1; display: flex; flex-direction: column; min-height: 0; background: var(--bg-sidebar); border-right: 1px solid var(--border); padding: 0.75rem; gap: 0.75rem; z-index: 50; } .sidebar-top { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.25rem 0.25rem 0; } .brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; min-height: 32px; } .brand svg, .brand img { height: 40px; width: auto; } /* Auffaelliger "Neuer Chat"-Button */ .new-chat { display: flex; align-items: center; gap: 0.55rem; width: 100%; padding: 0.7rem 0.9rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-elevated); color: var(--text); font-weight: 600; text-align: left; transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast); } .new-chat:hover { background: var(--bg-hover); border-color: rgba(255, 255, 255, 0.18); } .new-chat:active { transform: translateY(1px); } .new-chat svg { flex: none; color: var(--accent); } /* Konversationsliste */ .conv-list { flex: 1 1 auto; min-height: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 1px; margin: 0 -0.25rem; padding: 0 0.25rem; } /* Datums-Gruppen-Header */ .conv-group { padding: 0.85rem 0.6rem 0.35rem; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); } .conv-group:first-child { padding-top: 0.35rem; } /* Einzelner Eintrag */ .conv-item { position: relative; display: flex; align-items: center; gap: 0.5rem; padding: 0.55rem 0.6rem; border-radius: var(--radius); color: var(--text); cursor: pointer; transition: background var(--t-fast); } .conv-item:hover { background: var(--bg-hover); } .conv-item.active { background: var(--bg-elevated); } /* Titel: einzeilig, abgeschnitten */ .conv-item .conv-title, .conv-item > span:first-child { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.9rem; } /* Hover-Aktionen-Button (z.B. ... Menue) */ .conv-actions { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border: none; border-radius: var(--radius-sm); background: transparent; color: var(--text-muted); opacity: 0; transition: opacity var(--t-fast), background var(--t-fast), color var(--t-fast); } .conv-item:hover .conv-actions, .conv-item.active .conv-actions, .conv-actions:focus-visible { opacity: 1; } .conv-actions:hover { background: rgba(255, 255, 255, 0.1); color: var(--text); } /* Sidebar unten (User-Bereich) */ .sidebar-bottom { position: relative; flex: none; padding-top: 0.5rem; border-top: 1px solid var(--border); } .user-btn { display: flex; align-items: center; gap: 0.6rem; width: 100%; padding: 0.5rem 0.5rem; border: none; border-radius: var(--radius); background: transparent; color: var(--text); text-align: left; transition: background var(--t-fast); } .user-btn:hover { background: var(--bg-hover); } /* Runder Avatar-Kreis */ .avatar { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--accent-grad); color: var(--accent-text); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; overflow: hidden; } .avatar img { width: 100%; height: 100%; object-fit: cover; } .user-name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.9rem; font-weight: 500; } .user-btn svg { flex: none; color: var(--text-muted); } /* ============================================================================ 9. POPOVER-MENUES (.menu) --------------------------------------------------------------------------- Genutzt fuer User-Menue (unten) und Modell-Menue (Topbar). ============================================================================ */ .menu { position: absolute; z-index: 60; min-width: 200px; padding: 0.35rem; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-lg); animation: menu-in 0.12s ease; } @keyframes menu-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } } /* User-Menue oeffnet nach oben, ueber dem User-Button */ #userMenu { left: 0; right: 0; bottom: calc(100% + 6px); } .menu button { display: flex; align-items: center; gap: 0.6rem; width: 100%; padding: 0.55rem 0.65rem; border: none; border-radius: var(--radius-sm); background: transparent; color: var(--text); text-align: left; font-size: 0.9rem; transition: background var(--t-fast); } .menu button:hover { background: var(--bg-hover); } .menu button svg { flex: none; color: var(--text-muted); } /* ============================================================================ 10. MAIN ============================================================================ */ .main { grid-column: 2; display: flex; flex-direction: column; min-width: 0; min-height: 0; position: relative; } /* ---- Topbar ---- */ .topbar { display: flex; align-items: center; gap: 0.5rem; padding: 0.6rem 0.85rem; min-height: 56px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--bg-app) 70%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); z-index: 20; } .topbar-spacer { flex: 1 1 auto; } /* Modell-Auswahl */ .model-select { position: relative; } .model-btn { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.45rem 0.7rem; border: none; border-radius: var(--radius); background: transparent; color: var(--text); font-weight: 600; transition: background var(--t-fast); } .model-btn:hover { background: var(--bg-hover); } .model-btn svg { color: var(--text-muted); } /* Modell-Menue (oeffnet nach unten) */ #modelMenu { top: calc(100% + 6px); left: 0; min-width: 280px; } .model-option { display: flex; flex-direction: column; gap: 0.15rem; width: 100%; padding: 0.6rem 0.7rem; padding-right: 2rem; position: relative; border: none; border-radius: var(--radius-sm); background: transparent; color: var(--text); text-align: left; transition: background var(--t-fast); } .model-option:hover { background: var(--bg-hover); } .model-name { font-weight: 600; font-size: 0.92rem; } .model-blurb { font-size: 0.8rem; color: var(--text-muted); line-height: 1.35; } /* Haekchen fuer aktives Modell */ .model-option.active::after { content: ""; position: absolute; top: 50%; right: 0.75rem; width: 6px; height: 11px; margin-top: -7px; border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg); } /* ============================================================================ 11. SCROLLER + MESSAGES ============================================================================ */ .scroller { flex: 1 1 auto; min-height: 0; overflow-y: auto; overflow-x: hidden; display: flex; flex-direction: column; scroll-behavior: smooth; /* Composer ist jetzt in-flow -> nur wenig Luft unten nötig */ padding-bottom: 0.75rem; } /* Zentrierte Spalte */ .messages { width: 100%; max-width: var(--content-max); margin: 0 auto; padding: 1.5rem 1.25rem 0; display: flex; flex-direction: column; gap: 0.7rem; } /* Einzelne Nachricht */ .msg { display: flex; gap: 0.85rem; position: relative; } /* User: rechtsbündige Bubble, hugt den rechten Rand */ .msg.user { justify-content: flex-end; } .msg.user .msg-main { display: flex; flex-direction: column; align-items: flex-end; /* Bubble + Bilder rechtsbündig */ max-width: 80%; margin-left: auto; /* nach ganz rechts schieben */ } .msg.user .msg-body { max-width: 100%; width: fit-content; margin-left: auto; padding: 0.7rem 1rem; background: var(--user-bubble); border-radius: 18px; border-bottom-right-radius: 6px; } /* Assistant: volle Breite, kein Bubble */ .msg.assistant { justify-content: flex-start; } .msg.assistant .msg-body { flex: 1 1 auto; min-width: 0; } /* Kleiner Spark/Logo-Avatar beim Assistant */ .msg-avatar { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; margin-top: 0.1rem; border-radius: 50%; background: var(--accent-grad); color: var(--accent-text); box-shadow: var(--shadow-sm); } .msg-avatar svg, .msg-avatar img { width: 18px; height: 18px; } .msg.user .msg-avatar { display: none; } .msg-body { min-width: 0; } /* Bild-Thumbnails in Nachricht */ .msg-images { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.6rem; } .msg-images img { max-width: 320px; width: auto; height: auto; max-height: 240px; border-radius: var(--radius); object-fit: cover; border: 1px solid var(--border); } /* Nachricht-Aktionen (Kopier-Button), erscheint on hover */ .msg-actions { display: flex; gap: 0.25rem; margin-top: 0.4rem; opacity: 0; transition: opacity var(--t-fast); } .msg:hover .msg-actions, .msg.show-actions .msg-actions, .msg-actions:focus-within { opacity: 1; } .msg-actions button { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.3rem 0.5rem; border: none; border-radius: var(--radius-sm); background: transparent; color: var(--text-muted); font-size: 0.8rem; transition: background var(--t-fast), color var(--t-fast); } .msg-actions button:hover { background: var(--bg-hover); color: var(--text); } /* Tool-Status-Zeile (Spinner + Text, z.B. "Suche im Web …") */ .tool-status { display: inline-flex; align-items: center; gap: 0.5rem; margin: 0.25rem 0; font-size: 0.88rem; color: var(--text-muted); } .tool-status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse-dot 1.1s ease-in-out infinite; } @keyframes pulse-dot { 0%, 100% { opacity: 0.3; transform: scale(0.85); } 50% { opacity: 1; transform: scale(1.1); } } /* Blinkender Streaming-Cursor */ .blink-cursor { display: inline-block; width: 3px; height: 1.05em; margin-left: 2px; vertical-align: text-bottom; background: var(--text); border-radius: 1px; animation: blink 1s step-end infinite; } @keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } } /* ============================================================================ 12. MARKDOWN-INHALT (.md) ============================================================================ */ .md { font-size: 0.9rem; line-height: 1.5; color: var(--text); min-width: 0; max-width: 100%; word-wrap: break-word; overflow-wrap: break-word; } .md > *:first-child { margin-top: 0; } .md > *:last-child { margin-bottom: 0; } .md h1, .md h2, .md h3, .md h4 { margin: 1.5rem 0 0.75rem; line-height: 1.3; font-weight: 650; letter-spacing: -0.01em; } .md h1 { font-size: 1.55rem; } .md h2 { font-size: 1.3rem; } .md h3 { font-size: 1.12rem; } .md h4 { font-size: 1rem; } .md p { margin: 0.5rem 0; } .md ul, .md ol { margin: 0.5rem 0; padding-left: 1.4rem; } .md li { margin: 0.18rem 0; } .md li > ul, .md li > ol { margin: 0.18rem 0; } .md a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; } .md strong { font-weight: 650; color: var(--text); } .md em { font-style: italic; } .md hr { margin: 1.5rem 0; border: none; border-top: 1px solid var(--border); } .md blockquote { margin: 1rem 0; padding: 0.25rem 1rem; border-left: 3px solid var(--accent); color: var(--text-muted); } .md blockquote p { margin: 0.4rem 0; } /* Inline-Code */ .md :not(pre) > code { padding: 0.15em 0.4em; font-family: var(--font-mono); font-size: 0.86em; background: var(--code-bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text); } /* Tabellen */ .md table { width: 100%; margin: 1rem 0; border-collapse: collapse; font-size: 0.9rem; display: block; overflow-x: auto; } .md th, .md td { padding: 0.55rem 0.75rem; border: 1px solid var(--border); text-align: left; } .md th { background: var(--bg-elevated); font-weight: 650; } .md tbody tr:nth-child(even) { background: rgba(255, 255, 255, 0.025); } /* ============================================================================ 13. CODEBLOECKE (.code-wrap, .code-head, pre code) --------------------------------------------------------------------------- Sieht aus wie claude.ai: abgesetzter Header (Sprach-Label + Buttons), abgerundeter Container. ============================================================================ */ .code-wrap { margin: 1rem 0; max-width: 100%; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--code-bg); } /* Leiste oben: Sprach-Label links, Buttons rechts */ .code-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.4rem 0.75rem; background: var(--code-head); border-bottom: 1px solid var(--border); font-size: 0.78rem; color: var(--text-muted); } .code-head .lang { font-family: var(--font-mono); text-transform: lowercase; letter-spacing: 0.02em; } .code-head > div { display: flex; gap: 0.25rem; } .code-copy, .code-preview { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.25rem 0.5rem; border: none; border-radius: var(--radius-sm); background: transparent; color: var(--text-muted); font-size: 0.78rem; transition: background var(--t-fast), color var(--t-fast); } .code-copy:hover, .code-preview:hover { background: var(--bg-hover); color: var(--text); } .code-copy svg, .code-preview svg { width: 14px; height: 14px; } /* Eigentlicher Codeblock */ .code-wrap pre { margin: 0; overflow-x: auto; background: var(--code-bg); } .code-wrap pre code, .md pre code { display: block; padding: 0.9rem 1rem; font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.6; background: var(--code-bg); color: var(--text); white-space: pre; tab-size: 2; } /* Fallback fuer reine 
 ohne .code-wrap */
.md pre {
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  background: var(--code-bg);
}

/* ============================================================================
   14. ARTIFACT-KARTE in Nachricht (.artifact-card)
   ============================================================================ */

.artifact-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  margin: 0.85rem 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-elevated);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.artifact-card:hover {
  background: var(--bg-hover);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.artifact-card .art-icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: var(--accent-grad);
  color: var(--accent-text);
}

.artifact-card .art-meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.artifact-card .art-title {
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.artifact-card .art-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ============================================================================
   15. WELCOME / EMPTY STATE
   ============================================================================ */

.welcome {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 1.25rem;
  text-align: center;
}

.welcome-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
}

.welcome-brand svg,
.welcome-brand img {
  height: 108px;
  width: auto;
}

/* Grosse, elegante Serif-Ueberschrift (wie claude.ai) */
.greeting {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ============================================================================
   16. COMPOSER (fixiert unten, zentriert)
   ============================================================================ */

.composer-wrap {
  /* Festes Element unten im Flex-Layout -> scrollt NICHT mit den Nachrichten */
  flex: none;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0.4rem 1.25rem 0.5rem;
  background: var(--bg-app);
}

/* Grosse abgerundete Eingabe-Box */
.composer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem 0.85rem 0.6rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-composer);
  box-shadow: var(--shadow);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.composer:focus-within {
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-lg);
}

/* Anhang-Vorschauen (Reihe von Thumbnails) */
.attach-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 0.25rem;
}

.attach-preview .thumb {
  position: relative;
}

.attach-preview img {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--border);
  display: block;
}

/* Entfernen-X auf Thumbnail */
.attach-preview .remove,
.attach-preview button {
  position: absolute;
  top: -6px;
  right: -6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-app);
  color: var(--text);
  font-size: 0.7rem;
  line-height: 1;
  box-shadow: var(--shadow-sm);
  transition: background var(--t-fast);
}

.attach-preview .remove:hover,
.attach-preview button:hover {
  background: var(--bg-hover);
}

/* Eingabe-Textarea (auto-grow, transparent, kein Rahmen) */
.composer-input {
  width: 100%;
  min-height: 1.6rem;
  max-height: 240px;
  padding: 0.35rem 0.4rem;
  border: none;
  background: transparent;
  color: var(--text);
  line-height: 1.5;
  font-size: 1rem;
  overflow-y: auto;
  outline: none;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* Platzhalter für das contenteditable-Feld */
.composer-input.empty::before {
  content: attr(data-placeholder);
  color: var(--text-muted);
  pointer-events: none;
}
/* eingefügte Bilder nicht im Textfeld anzeigen (werden als Anhang extrahiert) */
.composer-input img {
  display: none;
}

.composer-input:focus,
.composer-input:focus-visible {
  outline: none;
  box-shadow: none;
}

/* Untere Zeile: Tools links, Senden rechts */
.composer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.composer-left {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Tool-Button (rundlich) */
.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.tool-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.tool-btn svg {
  flex: none;
}

/* Aktiver Zustand (z.B. Websuche an) — Akzentfarbe */
.tool-btn.active {
  background: var(--accent-grad);
  color: var(--accent-text);
  border-color: transparent;
}

.tool-btn.active:hover {
  filter: brightness(1.08);
}

/* Web-Label nur auf breiten Screens */
.web-label {
  display: inline;
}

/* Senden-Button (rund, Akzent) */
.send-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 38px;
  height: 38px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--accent-grad);
  color: var(--accent-text);
  box-shadow: var(--shadow-sm);
  transition: filter var(--t-fast), transform var(--t-fast), opacity var(--t-fast);
}

.send-btn:hover {
  filter: brightness(1.08);
}

.send-btn:active {
  transform: scale(0.94);
}

.send-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.3);
}

/* Stop-Zustand (roetlich) */
.send-btn.stop {
  background: #d6453f;
  color: #fff;
}

.send-btn.stop:hover {
  filter: brightness(1.1);
}

/* Kleiner Hinweis unter dem Composer */
.composer-hint {
  margin-top: 0.5rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================================================
   17. ARTIFACT-PANEL (#artifact)
   ============================================================================ */

.artifact {
  grid-column: 3;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  overflow: hidden;
}

.artifact-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.85rem;
  min-height: 56px;
  border-bottom: 1px solid var(--border);
}

.artifact-title {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

/* Tabs (Vorschau / Code) */
.artifact-tabs {
  display: flex;
  gap: 0.2rem;
  padding: 0.2rem;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
}

.atab {
  padding: 0.3rem 0.75rem;
  border: none;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast);
}

.atab:hover {
  color: var(--text);
}

.atab.active {
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.artifact-actions {
  display: flex;
  gap: 0.2rem;
}

/* Body fuellt restliche Flaeche */
.artifact-body {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
}

/* iframe (HTML-Vorschau, weisser Hintergrund) */
.art-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: #fff;
  display: block;
}

/* Code-Ansicht (toggelbar via .hidden) */
.art-code {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 1rem;
  overflow: auto;
  background: var(--code-bg);
}

.art-code code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre;
  color: var(--text);
}

/* ============================================================================
   18. SETTINGS-MODAL (.modal)
   ============================================================================ */

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 200;
  animation: fade-in 0.15s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modal-in 0.18s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.modal-head h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 650;
}

.modal-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.6rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
}

/* Einzelne Einstellung: Label links, Wert rechts */
.setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.setting > label:first-child {
  font-weight: 500;
  flex: 0 0 auto;
}

/* Gestapelte Variante */
.setting.col {
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
}

.setting.col > label:first-child {
  font-weight: 500;
}

/* Segmented-Control */
.seg {
  display: inline-flex;
  gap: 0.2rem;
  padding: 0.2rem;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
}

.seg button {
  padding: 0.4rem 0.9rem;
  border: none;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast);
}

.seg button:hover {
  color: var(--text);
}

.seg button.active {
  background: var(--accent-grad);
  color: var(--accent-text);
  box-shadow: var(--shadow-sm);
}

/* Formularelemente im Modal */
.modal select,
.modal textarea,
.modal input[type="text"],
.modal input[type="number"] {
  width: 100%;
  padding: 0.55rem 0.7rem;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

/* Select bekommt feste, kompakte Breite in einer Zeilen-Einstellung */
.setting:not(.col) select {
  width: auto;
  min-width: 180px;
}

.modal select:focus,
.modal textarea:focus,
.modal input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}

.modal textarea {
  resize: vertical;
  min-height: 90px;
  line-height: 1.5;
}

.modal small.muted {
  font-size: 0.8rem;
}

/* Toggle-Switch (checkbox + span) */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex: none;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch span {
  position: absolute;
  inset: 0;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: background var(--t-fast), border-color var(--t-fast);
}

.switch span::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform var(--t-fast), background var(--t-fast);
}

.switch input:checked + span {
  background: var(--accent-grad);
  border-color: transparent;
}

.switch input:checked + span::before {
  transform: translateX(20px);
  background: #fff;
}

.switch input:focus-visible + span {
  box-shadow: 0 0 0 3px var(--ring);
}

/* Nutzungs-Box */
.usage-box {
  padding: 0.75rem 0.85rem;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ============================================================================
   19. SICHTBARKEITS-HELFER (Desktop vs. Mobil)
   ---------------------------------------------------------------------------
   .only-mobile nur < 860px sichtbar. Auf Desktop ausgeblendet.
   ============================================================================ */

.only-mobile {
  display: none;
}

/* ============================================================================
   20. RESPONSIVE — < 860px (Tablet / Mobil)
   ---------------------------------------------------------------------------
   Sidebar wird zum Off-Canvas-Drawer. Artifact wird Vollbild-Overlay.
   ============================================================================ */

@media (max-width: 860px) {
  /* App wird einspaltig */
  .app,
  .app.with-artifact {
    grid-template-columns: 1fr;
  }

  /* .only-mobile sichtbar */
  .only-mobile {
    display: inline-flex;
  }

  /* Sidebar als Off-Canvas-Drawer */
  .sidebar {
    grid-column: 1;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(86vw, 320px);
    transform: translateX(-100%);
    transition: transform var(--t);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  /* Scrim sichtbar, wenn Sidebar offen */
  .sidebar.open ~ .scrim,
  .scrim.show {
    display: block;
    opacity: 1;
  }

  /* Main fuellt volle Breite */
  .main {
    grid-column: 1;
  }

  /* Artifact als Vollbild-Overlay */
  .artifact {
    position: fixed;
    inset: 0;
    grid-column: 1;
    z-index: 80;
    border-left: none;
  }

  /* Composer und Nachrichten haben weniger Seitenrand */
  .messages {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .composer-wrap {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  /* User-Nachricht-Bubble darf auf Mobil breiter werden */
  .msg.user .msg-main {
    max-width: 92%;
  }
}

/* Web-Label ausblenden auf schmalen Screens (kompakter Tool-Button) */
@media (max-width: 520px) {
  .web-label {
    display: none;
  }

  .greeting {
    font-size: 1.65rem;
  }

  .modal {
    padding: 0;
  }

  .modal-card {
    max-width: 100%;
    max-height: 100%;
    height: 100%;
    border-radius: 0;
    border: none;
  }

  /* In-Zeilen-Selects duerfen schrumpfen */
  .setting:not(.col) select {
    min-width: 130px;
  }
}

/* ============================================================================
   21. DESKTOP — >= 861px
   ---------------------------------------------------------------------------
   .scrim und Mobil-Buttons sind ausgeblendet (durch .only-mobile geregelt).
   Scrim explizit aus.
   ============================================================================ */

@media (min-width: 861px) {
  .scrim {
    display: none !important;
  }

  /* Sidebar im normalen Grid-Fluss (kein Transform) */
  .sidebar {
    transform: none;
  }
}

/* ============================================================================
   22. REDUCED MOTION
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .blink-cursor {
    animation: none;
    opacity: 1;
  }
}

/* ============================================================================
   21. CHAT-DROPDOWN (⋯) + INLINE-UMBENENNEN
   ============================================================================ */
.conv-menu {
  position: fixed;
  z-index: 200;
  min-width: 180px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.35rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.conv-menu button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.6rem;
  border: none;
  background: transparent;
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}
.conv-menu button:hover {
  background: var(--bg-hover);
}
.conv-menu button.danger {
  color: #ff6b6b;
}
.conv-menu-label {
  padding: 0.45rem 0.6rem 0.25rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.conv-rename-input {
  flex: 1 1 auto;
  min-width: 0;
  background: var(--bg-app);
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  padding: 0.25rem 0.45rem;
  outline: none;
}

/* ============================================================================
   22. USAGE-BALKEN (Plan-Auslastung wie im Claude-Panel)
   ============================================================================ */
.usage-tokens {
  font-size: 0.85rem;
  margin-bottom: 0.9rem;
}
.usage-block {
  display: flex;
  flex-direction: column;
  gap: 1.05rem;
}
.usage-item-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
}
.usage-item-head .pct {
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.usage-track {
  height: 8px;
  border-radius: 6px;
  background: var(--bg-hover);
  overflow: hidden;
}
.usage-fill {
  height: 100%;
  border-radius: 6px;
  background: var(--accent-grad);
  transition: width 0.4s ease;
}
.usage-reset {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* ============================================================================
   23. ASSISTANT-PROFILBILD AUSBLENDEN (Antworten nutzen volle Breite)
   ============================================================================ */
.msg-avatar {
  display: none !important;
}
/* Kein linker Abstand mehr durch den (entfernten) Avatar */
.msg.assistant {
  gap: 0;
}

/* Usage: Status-Pill + Hinweis */
.status-pill {
  font-size: 0.72rem;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  background: var(--bg-hover);
  color: var(--text-muted);
}
.status-pill.status-allowed_warning {
  background: rgba(255, 180, 0, 0.18);
  color: #e0a83e;
}
.status-pill.status-rejected {
  background: rgba(255, 80, 80, 0.18);
  color: #ff6b6b;
}
.usage-note {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  line-height: 1.5;
}
.usage-note a {
  color: var(--accent);
}

/* ============================================================================
   24. CODE-OVERFLOW (Mobil) + ARTIFACT-PANEL (resize / Vollbild / Reload)
   ============================================================================ */
/* Assistant-Spalte darf schrumpfen -> Codeblöcke scrollen intern statt überlaufen */
.msg-main {
  min-width: 0;
}
.msg.assistant .msg-main {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 100%;
}
.code-wrap {
  overflow: hidden;
}
.code-wrap pre {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

/* Artifact-Panel: Breite per Variable (Desktop resizable) */
.app.with-artifact {
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--artifact-w, min(46%, 620px));
}
.artifact {
  position: relative;
}
.art-resize {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 8px;
  cursor: col-resize;
  z-index: 5;
  background: transparent;
}
.art-resize:hover {
  background: var(--accent);
  opacity: 0.4;
}
.art-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}
.art-code {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: auto;
}

@media (max-width: 860px) {
  /* Artifact als echtes Vollbild-Overlay; Resize-Griff aus */
  .artifact {
    position: fixed !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100dvh !important;
    z-index: 90;
  }
  .art-resize {
    display: none;
  }
}