*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;min-height:100vh}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.loading{color:#fff;font-size:1.5rem}.error,.loading{align-items:center;display:flex;justify-content:center;min-height:100vh}.error{color:#ff6b6b;font-size:1.2rem;padding:2rem;text-align:center}.header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border-bottom:1px solid #fff3;box-shadow:0 4px 6px #0000001a;position:-webkit-sticky;position:sticky;top:0;z-index:100}.header-content{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:1400px;padding:1rem 2rem}.logo h1{color:#fff;font-size:1.8rem;font-weight:700;text-shadow:2px 2px 4px #0003}.nav{display:flex;gap:2rem}.nav-link{border-radius:8px;color:#fff;font-size:1.1rem;font-weight:500;padding:.5rem 1rem;position:relative;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1)}.nav-link:after{background:#fff;bottom:0;content:"";height:2px;left:50%;position:absolute;transform:translateX(-50%);transition:width .3s ease;width:0}.nav-link:hover{background:#ffffff1a;transform:translateY(-2px)}.nav-link:hover:after{width:80%}.nav-link.active{background:#fff3;box-shadow:0 2px 8px #0003}.nav-link.active:after{width:80%}@media (max-width:768px){.header-content{flex-direction:column;gap:1rem;padding:1rem}.logo h1{font-size:1.5rem}.nav{gap:1rem}.nav-link{font-size:1rem;padding:.4rem .8rem}}.footer{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0003;border-top:1px solid #ffffff1a;margin-top:auto}.footer-content{margin:0 auto;max-width:1400px;padding:2rem;text-align:center}.footer-text{color:#fff;font-size:1rem;font-weight:500;margin-bottom:.5rem}.footer-subtext{color:#ffffffb3;font-size:.9rem}@media (max-width:768px){.footer-content{padding:1.5rem 1rem}.footer-text{font-size:.9rem}.footer-subtext{font-size:.8rem}}.home{display:flex;flex-direction:column;gap:4rem}.hero-section{padding:4rem 2rem;text-align:center}.hero-content{margin:0 auto;max-width:800px}.hero-title{animation:fadeInUp .8s ease;color:#fff;font-size:4rem;margin-bottom:1rem;text-shadow:2px 2px 4px #0003}.hero-subtitle{animation:fadeInUp .8s ease .2s both;color:#ffffffe6;font-size:1.5rem;line-height:1.6;margin-bottom:2rem}.api-status{align-items:center;animation:fadeInUp .8s ease .4s both;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border-radius:30px;display:inline-flex;gap:.5rem;padding:.75rem 1.5rem}.status-indicator{animation:pulse 2s infinite;border-radius:50%;height:12px;width:12px}.status-indicator.checking{background:#ffd93d}.status-indicator.connected{background:#6bcf7f}.status-indicator.error{background:#ff6b6b}.status-text{color:#fff;font-weight:500}.cta-section,.features-section{padding:2rem}.section-title{color:#fff;font-size:2.5rem;margin-bottom:3rem;text-align:center;text-shadow:2px 2px 4px #0003}.features-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin:0 auto;max-width:1200px}.feature-card{background:#fffffff2;border-radius:16px;box-shadow:0 8px 16px #0000001a;padding:2rem;text-align:center;transition:all .3s cubic-bezier(.4,0,.2,1)}.feature-card:hover{box-shadow:0 12px 24px #00000026;transform:translateY(-8px)}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature-card h3{color:#333;font-size:1.5rem;margin-bottom:.75rem}.feature-card p{color:#666;line-height:1.6}.cta-section{padding:4rem 2rem;text-align:center}.cta-text{color:#ffffffe6;font-size:1.2rem;margin-bottom:2rem}.cta-button{background:#fff;border-radius:30px;box-shadow:0 8px 16px #0003;color:#667eea;display:inline-block;font-size:1.2rem;font-weight:700;padding:1rem 3rem;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1)}.cta-button:hover{box-shadow:0 12px 24px #0000004d;transform:translateY(-4px)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media (max-width:768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.section-title{font-size:2rem}.features-grid{gap:1.5rem;grid-template-columns:1fr}.cta-button{font-size:1.1rem;padding:.875rem 2rem}}.message-card{background:#fffffff2;border-radius:12px;box-shadow:0 4px 6px #0000001a;display:flex;flex-direction:column;gap:1rem;padding:1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.message-card:hover{box-shadow:0 8px 12px #00000026;transform:translateY(-4px)}.message-header{align-items:center;display:flex;gap:.5rem}.message-icon{font-size:1.5rem}.message-category{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;color:#fff;font-size:.85rem;font-weight:600;padding:.25rem .75rem;text-transform:capitalize}.message-body{flex:1 1}.message-text{color:#333;font-size:1rem;line-height:1.6;margin:0}.message-footer{align-items:center;border-top:1px solid #0000001a;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;padding-top:1rem}.message-meta{display:flex;flex-direction:column;gap:.25rem}.message-author,.message-date{color:#666;font-size:.85rem}.message-actions{display:flex;gap:.5rem}.btn-delete,.btn-edit{border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;padding:.5rem 1rem;transition:all .3s ease}.btn-edit{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-edit:hover{box-shadow:0 4px 8px #667eea66;transform:translateY(-2px)}.btn-delete{background:linear-gradient(135deg,#ff6b6b,#ee5a6f);color:#fff}.btn-delete:hover{box-shadow:0 4px 8px #ff6b6b66;transform:translateY(-2px)}@media (max-width:768px){.message-card{padding:1rem}.message-footer{align-items:flex-start;flex-direction:column}.message-actions{justify-content:flex-end;width:100%}}.messages-page{margin:0 auto;max-width:1400px}.page-header{align-items:center;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;margin-bottom:2rem}.page-title{color:#fff;font-size:2.5rem;text-shadow:2px 2px 4px #0003}.btn-add{background:#fff;border:none;border-radius:30px;box-shadow:0 4px 8px #0003;color:#667eea;cursor:pointer;font-size:1.1rem;font-weight:700;padding:.875rem 2rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.btn-add:hover{box-shadow:0 6px 12px #0000004d;transform:translateY(-2px)}.empty-state{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border-radius:16px;padding:4rem 2rem;text-align:center}.empty-text{color:#fff;font-size:1.3rem;margin-bottom:2rem}.messages-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fill,minmax(350px,1fr))}.modal-overlay{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b3;bottom:0;display:flex;justify-content:center;left:0;padding:1rem;position:fixed;right:0;top:0;z-index:1000}.modal-content{background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;max-height:90vh;max-width:600px;overflow-y:auto;padding:2rem;width:100%}.modal-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:2rem}.modal-header h2{color:#333;font-size:1.8rem;margin:0}.btn-close{align-items:center;background:none;border:none;border-radius:50%;color:#999;cursor:pointer;display:flex;font-size:2rem;height:40px;justify-content:center;padding:0;transition:all .3s ease;width:40px}.btn-close:hover{background:#0000000d;color:#333}.message-form{gap:1.5rem}.form-group,.message-form{display:flex;flex-direction:column}.form-group{gap:.5rem}.form-group label{color:#333;font-size:1rem;font-weight:600}.form-group input,.form-group select,.form-group textarea{border:2px solid #e0e0e0;border-radius:8px;font-family:inherit;font-size:1rem;padding:.875rem;transition:all .3s ease}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a;outline:none}.form-group textarea{min-height:100px;resize:vertical}.modal-actions{display:flex;gap:1rem;margin-top:1rem}.btn-primary,.btn-secondary{border:none;border-radius:8px;cursor:pointer;flex:1 1;font-size:1rem;font-weight:600;padding:.875rem 1.5rem;transition:all .3s ease}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{box-shadow:0 4px 12px #667eea66;transform:translateY(-2px)}.btn-secondary{background:#f0f0f0;color:#333}.btn-secondary:hover{background:#e0e0e0}@media (max-width:768px){.page-header{align-items:stretch;flex-direction:column}.page-title{font-size:2rem;text-align:center}.messages-grid{gap:1.5rem;grid-template-columns:1fr}.modal-content{padding:1.5rem}.modal-actions{flex-direction:column}}.app{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1 1;margin:0 auto;max-width:1400px;padding:2rem 1rem;width:100%}@media (max-width:768px){.main-content{padding:1rem .5rem}}