.navbar{position:fixed;top:0;left:0;right:0;height:80px;background:var(--bg-navbar);backdrop-filter:var(--backdrop-blur) saturate(1.8);-webkit-backdrop-filter:var(--backdrop-blur) saturate(1.8);border-bottom:1px solid var(--border-primary);box-shadow:var(--shadow-glass);z-index:1000;animation:navbarEntrance 1.2s cubic-bezier(.16,1,.3,1);transition:all .4s cubic-bezier(.25,.46,.45,.94)}@keyframes navbarEntrance{0%{transform:translateY(-100%) scale(.95);opacity:0;-webkit-backdrop-filter:blur(0px);backdrop-filter:blur(0px)}50%{opacity:.7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}to{transform:translateY(0) scale(1);opacity:1;-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur)}}.nav-container{max-width:1400px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 40px;position:relative;z-index:2}.nav-brand{font-size:24px;font-weight:700;letter-spacing:-.5px;animation:brandSlideIn .8s cubic-bezier(.16,1,.3,1) .3s both}.nav-brand a{color:var(--text-primary);text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94);background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent-primary) 100%);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-size:200% 200%;animation:gradientShift 3s ease-in-out infinite}.nav-brand a:hover{transform:scale(1.05) translateY(-1px);filter:drop-shadow(0 8px 16px var(--accent-glow));animation-duration:1.5s}@keyframes brandSlideIn{0%{transform:translate(-50px) rotate(-5deg);opacity:0}to{transform:translate(0) rotate(0);opacity:1}}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.nav-menu{display:flex;align-items:center;gap:8px;animation:menuSlideIn 1s cubic-bezier(.16,1,.3,1) .5s both}@keyframes 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var(--border-focus);box-shadow:var(--shadow-glass);animation:activeGlow 3s ease-in-out infinite}@keyframes activeGlow{0%,to{box-shadow:var(--shadow-glass)}50%{box-shadow:var(--shadow-large)}}.nav-link.active:after{content:"";position:absolute;bottom:-2px;left:50%;transform:translate(-50%);width:60%;height:2px;background:linear-gradient(90deg,transparent 0%,var(--accent-primary) 50%,transparent 100%);border-radius:1px;animation:activeLineGrow .6s cubic-bezier(.16,1,.3,1)}@keyframes activeLineGrow{0%{width:0%;opacity:0}to{width:60%;opacity:1}}.theme-toggle{background:var(--bg-glass);border:1px solid var(--border-primary);border-radius:12px;padding:12px;font-size:18px;cursor:pointer;transition:all .3s cubic-bezier(.25,.46,.45,.94);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);color:var(--text-primary);position:relative;overflow:hidden;width:48px;height:48px;display:flex;align-items:center;justify-content:center}.theme-toggle:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,var(--accent-light),transparent);transition:left .5s}.theme-toggle:hover:before{left:100%}.theme-toggle:hover{background:var(--bg-glass-hover);transform:translateY(-2px) scale(1.05);box-shadow:var(--shadow-medium);border-color:var(--border-focus)}.theme-toggle:active{transform:translateY(0) scale(.95);transition:all .1s ease}@media(max-width:768px){.navbar{height:60px}.nav-container{padding:0 15px}.nav-brand{font-size:18px}.nav-menu{gap:15px}.nav-link{font-size:14px;padding:6px 12px}.nav-status{font-size:12px;padding:4px 8px}}@media(max-width:1024px){.nav-container{padding:0 30px}.nav-brand{font-size:22px}.nav-links{gap:25px}.nav-link{font-size:15px;padding:8px 16px}}@media(max-width:768px){.navbar{height:70px}.nav-container{padding:0 20px}.nav-brand{font-size:20px}.nav-links{gap:20px}.nav-link{font-size:14px;padding:6px 14px}.theme-toggle{width:45px;height:45px;font-size:18px}}@media(max-width:600px){.navbar{height:65px}.nav-container{padding:0 15px}.nav-brand{font-size:18px;letter-spacing:-.3px}.nav-links{gap:15px}.nav-link{font-size:13px;padding:5px 12px;border-radius:8px}.theme-toggle{width:42px;height:42px;font-size:16px}}@media(max-width:480px){.navbar{height:60px}.nav-container{padding:0 12px;flex-wrap:nowrap}.nav-brand{font-size:16px;flex-shrink:0}.nav-links{gap:8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.nav-links::-webkit-scrollbar{display:none}.nav-link{font-size:12px;padding:4px 10px;white-space:nowrap;flex-shrink:0}.theme-toggle{width:38px;height:38px;font-size:14px;flex-shrink:0}}@media(max-width:360px){.navbar{height:55px}.nav-container{padding:0 10px}.nav-brand{font-size:14px}.nav-links{gap:5px}.nav-link{font-size:11px;padding:3px 8px}.theme-toggle{width:35px;height:35px;font-size:13px}}.layout{min-height:100vh;background:var(--bg-primary);position:relative;overflow-x:hidden;transition:background .3s ease}.main-content{padding-top:80px;min-height:100vh;position:relative;z-index:1;animation:contentFadeIn 1s cubic-bezier(.16,1,.3,1) .3s both}@keyframes contentFadeIn{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1024px){.main-content{padding-top:80px}}@media(max-width:768px){.main-content{padding-top:70px}}@media(max-width:480px){.main-content{padding-top:65px}}#maindiv{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:40px 20px;min-height:calc(100vh - 80px);position:relative}#welcome,#anfragediv,#infodiv,#buttondiv{margin:30px;color:var(--text-primary);padding:80px 60px;background:var(--bg-glass);backdrop-filter:var(--backdrop-blur) saturate(1.8);-webkit-backdrop-filter:var(--backdrop-blur) saturate(1.8);width:min(800px,85%);border-radius:24px;text-align:center;transition:all .5s cubic-bezier(.25,.46,.45,.94);border:1px solid var(--border-primary);box-shadow:var(--shadow-glass);position:relative;overflow:hidden;animation:cardSlideUp .8s cubic-bezier(.16,1,.3,1) both}#welcome:before,#anfragediv:before,#infodiv:before,#buttondiv:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,var(--border-primary) 50%,transparent 100%)}#welcome{animation-delay:.1s}#anfragediv{animation-delay:.2s}#infodiv{animation-delay:.3s}#buttondiv{animation-delay:.4s}@keyframes cardSlideUp{0%{opacity:0;transform:translateY(60px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}#welcome:hover,#anfragediv:hover,#infodiv:hover,#buttondiv:hover{transform:translateY(-10px) scale(1.02);box-shadow:var(--shadow-large);border-color:var(--border-focus);background:var(--bg-glass-hover)}#startbutton{padding:20px 40px;font-size:20px;font-weight:600;border:none;border-radius:14px;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-hover) 100%);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);color:var(--text-inverse);cursor:pointer;transition:all .4s cubic-bezier(.25,.46,.45,.94);border:1px solid var(--border-focus);box-shadow:var(--shadow-medium);position:relative;overflow:hidden;letter-spacing:.5px}#startbutton:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .6s}#startbutton:hover:before{left:100%}#startbutton:hover{background:linear-gradient(135deg,var(--accent-hover) 0%,var(--accent-primary) 100%);transform:translateY(-3px) scale(1.05);box-shadow:var(--shadow-large)}#startbutton:active{transform:translateY(-1px) scale(1.02);transition:all .1s ease}#email,#anfragentext{width:100%;max-width:500px;padding:16px 20px;margin:15px 0;border:2px solid var(--border-primary);border-radius:12px;background:var(--bg-secondary);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);color:var(--text-primary);font-size:16px;font-family:inherit;transition:all .3s cubic-bezier(.25,.46,.45,.94);box-shadow:var(--shadow-small)}html.light #email,html.light #anfragentext{background:var(--bg-tertiary);border-color:var(--border-primary)}html.dark #email,html.dark #anfragentext{background:var(--bg-glass);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur)}#email:focus,#anfragentext:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 25px var(--accent-glow),var(--shadow-medium);transform:translateY(-2px)}html.light #email:focus,html.light #anfragentext:focus{background:var(--bg-primary)}html.dark #email:focus,html.dark #anfragentext:focus{background:var(--bg-glass-hover);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur)}#email::placeholder,#anfragentext::placeholder{color:var(--text-tertiary);font-style:italic}#anfragentext{min-height:120px;resize:vertical;font-family:inherit;line-height:1.6}#email.email-valid{border-color:#28a745;box-shadow:0 0 15px #28a7454d}#email.email-invalid{border-color:#dc3545;box-shadow:0 0 15px #dc35454d}.submit-message{padding:15px 20px;margin:20px 0;border-radius:12px;font-weight:600;text-align:center;-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);box-shadow:var(--shadow-small);transition:all .3s ease;animation:messageSlideIn .5s cubic-bezier(.16,1,.3,1)}.submit-message.success{background:#28a74526;color:#28a745;border:1px solid rgba(40,167,69,.3)}.submit-message.error{background:#dc354526;color:#dc3545;border:1px solid rgba(220,53,69,.3)}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1440px){#welcome,#anfragediv,#infodiv,#buttondiv{width:min(900px,85%);padding:100px 80px}#email,#anfragentext{max-width:600px}}@media(max-width:1439px){#welcome,#anfragediv,#infodiv,#buttondiv{width:min(750px,90%);padding:70px 50px}}@media(max-width:1023px){#maindiv{padding:20px 15px}#welcome,#anfragediv,#infodiv,#buttondiv{margin:20px;width:min(650px,95%);padding:50px 40px;border-radius:20px}#email,#anfragentext{max-width:100%}#startbutton{padding:18px 35px;font-size:18px}}@media(max-width:767px){#maindiv{padding:15px 10px}#welcome,#anfragediv,#infodiv,#buttondiv{margin:15px;width:95%;padding:40px 30px;border-radius:18px}#welcome h1{font-size:2.2rem}#startbutton{padding:16px 30px;font-size:17px}#email,#anfragentext{padding:14px 18px;font-size:15px}}@media(max-width:599px){#maindiv{padding:10px 8px}#welcome,#anfragediv,#infodiv,#buttondiv{margin:10px;width:98%;padding:30px 25px;border-radius:16px}#welcome h1{font-size:2rem;line-height:1.3}#startbutton{padding:15px 25px;font-size:16px;width:100%;max-width:280px}#email,#anfragentext{padding:12px 16px;font-size:14px;margin:12px 0}#anfragentext{min-height:100px}}@media(max-width:479px){#maindiv{padding:8px 5px;min-height:calc(100vh - 65px)}#welcome,#anfragediv,#infodiv,#buttondiv{margin:8px;width:99%;padding:25px 20px;border-radius:14px}#welcome h1{font-size:1.8rem;line-height:1.2}#welcome p,#infodiv p{font-size:.95rem;line-height:1.5}#startbutton{padding:14px 20px;font-size:15px;width:100%;max-width:250px}#email,#anfragentext{padding:10px 14px;font-size:14px;margin:10px 0;border-radius:10px}#anfragentext{min-height:90px}.submit-message{padding:12px 16px;font-size:.9rem;margin:15px 0;border-radius:10px}}#absendenbutton,#abgesendetbutton{padding:16px 32px;font-size:18px;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .4s cubic-bezier(.25,.46,.45,.94);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);position:relative;overflow:hidden;margin-top:10px;box-shadow:var(--shadow-medium)}#absendenbutton{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-hover) 100%);color:var(--text-inverse);border:1px solid var(--border-focus)}#absendenbutton:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .6s}#absendenbutton:hover:before{left:100%}#absendenbutton:hover:not(:disabled){background:linear-gradient(135deg,var(--accent-hover) 0%,var(--accent-primary) 100%);transform:translateY(-3px) scale(1.05);box-shadow:var(--shadow-large)}#absendenbutton:disabled{opacity:.6;cursor:not-allowed;transform:none}#abgesendetbutton{background:linear-gradient(135deg,#28a745,#218838);color:#fff;border:1px solid rgba(40,167,69,.3);cursor:default;box-shadow:0 0 20px #28a7454d}@media(max-width:768px){#email,#anfragentext{max-width:90%;padding:14px 16px}#absendenbutton,#abgesendetbutton{padding:14px 28px;font-size:16px}}#infodiv,#anfragediv{overflow:hidden}.hide{opacity:0;max-height:0;padding:0!important;margin:0!important;transform:translateY(-20px)}.show{opacity:1;max-height:500px;transform:translateY(0)}#email{padding:15px 20px;font-size:16px;border:2px solid #233455;border-radius:15px;background-color:#233455;color:#fff;margin:10px;width:300px;transition:all .3s ease-in-out}#email::placeholder{color:#ccc;opacity:.8}#email:focus{outline:none;border-color:#345678;box-shadow:0 0 5px #345678}#email.email-valid:focus{border-color:#28a745;box-shadow:0 0 8px #28a745}#email.email-invalid:focus{border-color:#dc3545;box-shadow:0 0 8px #dc3545}.submit-message{padding:10px 15px;margin:10px 0;border-radius:8px;font-weight:700;text-align:center}.submit-message.success{background-color:#28a74533;color:#28a745;border:1px solid #28a745}.submit-message.error{background-color:#dc354533;color:#dc3545;border:1px solid #dc3545}#anfragentext{padding:15px 20px;font-size:16px;border:2px solid #233455;border-radius:15px;background-color:#233455;color:#fff;margin:10px;width:300px;height:100px;resize:vertical;transition:color,opacity,outline,border-color,box-shadow .3s ease-in-out;font-family:inherit}#anfragentext::placeholder{color:#ccc;opacity:.8}#anfragentext:focus{outline:none;border-color:#345678;box-shadow:0 0 5px #345678}#absendenbutton{padding:15px 30px;font-size:16px;border:none;border-radius:15px;background-color:#233455;color:#fff;cursor:pointer;margin:10px;transition:all .3s ease-in-out}#absendenbutton:hover{background-color:#345678;box-shadow:0 0 10px #345678}#abgesendetbutton{padding:15px 30px;font-size:16px;border:none;border-radius:15px;background-color:#28a745;color:#fff;cursor:not-allowed;margin:10px;transition:all .5s ease-in-out;animation:successPulse .6s ease-in-out;opacity:.7}@keyframes successPulse{0%{transform:scale(1);background-color:#233455}50%{transform:scale(1.05);background-color:#28a745;box-shadow:0 0 20px #28a745}to{transform:scale(1);background-color:#28a745}}#abgesendetbutton:hover{background-color:#28a745;cursor:not-allowed}.admin-login{min-height:100vh;display:flex;justify-content:center;align-items:center;background:var(--bg-primary);transition:background .3s ease}.login-container{background:var(--bg-glass);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);padding:40px;border-radius:20px;text-align:center;min-width:300px;border:1px solid var(--border-primary);box-shadow:var(--shadow-glass);transition:all .3s ease}.login-container h1{color:var(--text-primary);margin-bottom:30px;font-weight:700}.login-container input{width:100%;padding:15px;border:2px solid var(--border-primary);border-radius:10px;background:var(--bg-glass);color:var(--text-primary);font-size:16px;margin-bottom:20px;box-sizing:border-box;transition:all .3s ease;-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur)}.login-container input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 20px var(--accent-glow);background:var(--bg-glass-hover)}.login-container input::placeholder{color:var(--text-tertiary)}.login-container button{width:100%;padding:15px;border:none;border-radius:10px;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-hover) 100%);color:var(--text-inverse);font-size:16px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.25,.46,.45,.94);box-shadow:var(--shadow-medium)}.login-container button:hover{background:linear-gradient(135deg,var(--accent-hover) 0%,var(--accent-primary) 100%);transform:translateY(-2px);box-shadow:var(--shadow-large)}.error-message{color:#dc3545;margin-top:15px;font-weight:700}.admin-panel{padding:20px;max-width:1200px;margin:0 auto;background:var(--bg-primary);color:var(--text-primary);transition:all .3s ease}.backend-status{padding:15px 20px;margin-bottom:20px;border-radius:12px;font-weight:600;text-align:center;-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);transition:all .3s ease;box-shadow:var(--shadow-small)}.backend-status.checking{background:#ffc10726;color:#ffc107;border:1px solid rgba(255,193,7,.3);box-shadow:0 4px 15px #ffc10733}.backend-status.online{background:#28a74526;color:#28a745;border:1px solid rgba(40,167,69,.3);box-shadow:0 4px 15px #28a74533}.backend-status.offline,.backend-status.error{background:#dc354526;color:#dc3545;border:1px solid rgba(220,53,69,.3);box-shadow:0 4px 15px #dc354533}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding:30px;background:var(--bg-glass);border-radius:20px;border:1px solid var(--border-primary);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);box-shadow:var(--shadow-glass);transition:all .3s ease}.admin-header:hover{background:var(--bg-glass-hover);box-shadow:var(--shadow-medium);transform:translateY(-2px)}.admin-header h1{color:var(--text-primary);margin:0;font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent-primary) 100%);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.logout-button{padding:12px 24px;background:linear-gradient(135deg,#dc3545,#c82333);color:#fff;border:none;border-radius:12px;cursor:pointer;font-weight:600;transition:all .3s cubic-bezier(.25,.46,.45,.94);box-shadow:var(--shadow-small)}.logout-button:hover{background:linear-gradient(135deg,#c82333,#dc3545);transform:translateY(-2px);box-shadow:var(--shadow-medium)}.admin-content{max-width:1200px;margin:0 auto}.stats{display:flex;gap:20px;margin-bottom:30px}.stat-box{background:var(--bg-glass);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);padding:25px;border-radius:16px;text-align:center;min-width:150px;border:1px solid var(--border-primary);box-shadow:var(--shadow-glass);transition:all .3s cubic-bezier(.25,.46,.45,.94)}.stat-box:hover{background:var(--bg-glass-hover);transform:translateY(-5px) scale(1.02);box-shadow:var(--shadow-large)}.stat-box h3{margin:0 0 10px;color:var(--text-secondary);font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.stat-box span{font-size:32px;font-weight:800;color:var(--accent-primary);text-shadow:0 0 20px 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cubic-bezier(.4,0,.2,1),border-color .3s cubic-bezier(.4,0,.2,1),color .3s cubic-bezier(.4,0,.2,1),box-shadow .3s cubic-bezier(.4,0,.2,1)}