:root{--bg-color:#fff;--panel-bg:#f5f5f7;--accent-color:#000;--border-color:#e5e5ea;--text-primary:#1d1d1f;--text-secondary:#86868b;--bot-msg-bg:#f5f5f7;--bot-msg-border:#e5e5ea;--user-msg-bg:#007aff;--user-msg-text:#fff}*{box-sizing:border-box;padding:0;margin:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden;min-height:100vh;-webkit-font-smoothing:antialiased}body,main{position:relative}main{z-index:1;display:flex;flex-direction:column;min-height:calc(100vh - 64px);max-width:1200px;margin:0 auto;padding:0}header{text-align:center;padding:2.5rem 2rem 1.5rem;background-color:var(--bg-color);border-bottom:1px solid var(--border-color)}.chat-layout{height:calc(100vh - 64px);overflow:hidden}header h1{font-size:2rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem;letter-spacing:-.015em}header p{color:var(--text-secondary);font-size:1rem;font-weight:400}.chat-container{background:var(--bg-color);overflow:hidden}.chat-container,.messages{flex-grow:1;display:flex;flex-direction:column}.messages{padding:2rem;overflow-y:auto;gap:1rem;scroll-behavior:smooth}.messages::-webkit-scrollbar{width:5px}.messages::-webkit-scrollbar-track{background:transparent}.messages::-webkit-scrollbar-thumb{background:#d1d1d6}.message{max-width:75%;padding:1rem 1.25rem;font-size:1rem;line-height:1.4;animation:messageEnter .3s ease-out forwards;opacity:0;transform:translateY(5px);border-radius:4px}.message p:not(:last-child){margin-bottom:.5rem}.message.bot{align-self:flex-start;background:var(--bot-msg-bg);color:var(--text-primary);border:1px solid var(--bot-msg-border)}.message.user{align-self:flex-end;background:var(--user-msg-bg);color:var(--user-msg-text)}.input-area{padding:1.5rem 2rem;border-top:1px solid var(--border-color)}.input-area,.input-form{background:var(--bg-color)}.input-form{display:flex;gap:.5rem;border:1px solid var(--border-color);border-radius:0;padding:.25rem;transition:border-color .2s}.input-form:focus-within{border-color:var(--accent-color)}.input-field{flex-grow:1;background:transparent;border:none;color:var(--text-primary);font-size:1rem;padding:.75rem 1rem;outline:none;font-family:inherit}.input-field::placeholder{color:var(--text-secondary)}.send-button{background:var(--accent-color);border:none;border-radius:0;color:#fff;width:3rem;height:3rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:opacity .2s}.send-button:hover{opacity:.8}.send-button:disabled{opacity:.3;cursor:not-allowed}.send-button svg{width:1.25rem;height:1.25rem}.typing-indicator{display:flex;gap:4px;padding:1rem 1.25rem;background:var(--bot-msg-bg);border:1px solid var(--bot-msg-border);border-radius:4px;align-self:flex-start;width:-moz-fit-content;width:fit-content;animation:messageEnter .3s ease-out forwards}.dot{width:6px;height:6px;background:var(--text-secondary);border-radius:0;animation:pulse 1.4s ease-in-out infinite both}.dot:first-child{animation-delay:-.32s}.dot:nth-child(2){animation-delay:-.16s}.impressum-footer{text-align:center;padding:1.5rem 2rem;background-color:var(--panel-bg);border-top:1px solid var(--border-color);font-size:.75rem;color:var(--text-secondary);line-height:1.6}.impressum-footer strong{color:var(--text-primary);font-weight:600;display:block;margin-bottom:.25rem;font-size:.85rem}@keyframes messageEnter{to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,80%,to{opacity:.3}40%{opacity:1}}.main-nav{display:flex;justify-content:center;align-items:center;padding:1rem 2rem;background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);gap:2rem;position:-webkit-sticky;position:sticky;top:0;z-index:50}.main-nav a{color:var(--text-primary);text-decoration:none;font-size:.95rem;font-weight:500;transition:opacity .2s}.main-nav a:hover{opacity:.6}.top-branding{display:flex;justify-content:space-between;align-items:center;padding:0 2rem;background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);position:-webkit-sticky;position:sticky;top:0;z-index:50;height:64px}.top-branding .main-nav{position:static;border-bottom:none;padding:0;background-color:transparent;flex-grow:1;justify-content:center}.car-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:2rem;gap:2rem;margin-top:2rem}.car-card{background-color:var(--panel-bg);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}.car-image{width:100%;height:200px;object-fit:cover;background-color:#f5f5f7}.car-details{padding:1.5rem;flex-grow:1}.car-price{font-size:1.25rem;font-weight:600;margin-top:1rem;color:var(--text-primary)}.admin-form{display:flex;flex-direction:column;gap:1rem;background-color:var(--panel-bg);padding:2rem;border-radius:12px;border:1px solid var(--border-color)}.admin-form label{font-size:.9rem;font-weight:500}.admin-form input,.admin-form textarea{padding:.75rem;border:1px solid var(--border-color);border-radius:8px;background-color:var(--bg-color);color:var(--text-primary);font-family:inherit}@media (max-width:768px){.message{max-width:90%}header{padding:1.5rem 1rem 1rem}.impressum-footer,.input-area,.main-nav,.messages{padding:1rem}.main-nav{flex-wrap:wrap;gap:1rem}}