.cookie-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);z-index:9998}.cookie-banner{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);max-width:600px;width:calc(100% - 3rem);background:#fff;border-radius:1.25rem;box-shadow:0 20px 40px #00000026,0 0 0 1px #0000000d;z-index:9999;overflow:hidden}.cookie-content{padding:2rem}.cookie-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.cookie-icon{font-size:2.5rem;flex-shrink:0}.cookie-title{margin:0;font-size:1.25rem;font-weight:700;color:var(--text);letter-spacing:-.01em}.cookie-subtitle{margin:.25rem 0 0;font-size:.875rem;color:var(--text-light)}.cookie-description{margin:0 0 1.5rem;color:var(--text-light);line-height:1.6;font-size:.9375rem}.cookie-details{background:var(--bg-secondary);border-radius:.75rem;padding:1.5rem;margin-bottom:1.5rem;overflow:hidden}.cookie-category{margin-bottom:1.25rem}.cookie-category:last-child{margin-bottom:1rem}.category-header{display:flex;align-items:start;gap:1rem}.cookie-checkbox{margin-top:.25rem;width:18px;height:18px;cursor:pointer;accent-color:var(--primary);flex-shrink:0}.cookie-checkbox:disabled{cursor:not-allowed;opacity:.6}.category-title{margin:0 0 .25rem;font-size:1rem;font-weight:600;color:var(--text)}.category-description{margin:0;font-size:.8125rem;color:var(--text-light);line-height:1.5}.cookie-links{display:flex;gap:.75rem;align-items:center;padding-top:1rem;border-top:1px solid var(--border);font-size:.8125rem}.cookie-links a{color:var(--primary);text-decoration:none;font-weight:500;transition:color .2s ease}.cookie-links a:hover{color:var(--primary-dark);text-decoration:underline}.cookie-links span{color:var(--text-light)}.cookie-actions{display:flex;flex-direction:column;gap:1rem}.btn-cookie-details{background:none;border:none;color:var(--primary);font-size:.875rem;font-weight:500;cursor:pointer;padding:.5rem 0;text-align:left;transition:color .2s ease}.btn-cookie-details:hover{color:var(--primary-dark)}.cookie-buttons{display:flex;gap:.75rem;flex-wrap:wrap}.btn-cookie{flex:1;min-width:120px;padding:.875rem 1.25rem;border-radius:.625rem;font-size:.9375rem;font-weight:600;cursor:pointer;transition:all .2s ease;border:none;white-space:nowrap}.btn-cookie-reject{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-cookie-reject:hover{background:var(--bg-secondary);border-color:var(--text-light)}.btn-cookie-necessary{background:var(--bg-secondary);color:var(--text);border:1px solid var(--border)}.btn-cookie-necessary:hover{background:var(--border)}.btn-cookie-accept{background:var(--primary);color:#fff;border:1px solid var(--primary)}.btn-cookie-accept:hover{background:var(--primary-dark);box-shadow:0 4px 12px #2563eb4d}@media (max-width: 768px){.cookie-banner{bottom:0;left:0;right:0;transform:none;width:100%;max-width:100%;max-height:85vh;border-radius:1.25rem 1.25rem 0 0;display:flex;flex-direction:column}.cookie-content{padding:1.25rem;overflow-y:auto;max-height:calc(85vh - 2.5rem);-webkit-overflow-scrolling:touch}.cookie-icon{font-size:1.75rem}.cookie-title{font-size:1rem}.cookie-subtitle{font-size:.8125rem}.cookie-description{font-size:.875rem;margin-bottom:1rem}.cookie-details{padding:1rem;margin-bottom:1rem}.cookie-buttons{flex-direction:column}.btn-cookie{width:100%;padding:.75rem 1rem;font-size:.875rem}.cookie-header{align-items:start;gap:.75rem}.category-description,.cookie-links{font-size:.75rem}}@media (max-width: 390px){.cookie-banner{max-height:90vh}.cookie-content{padding:1rem;max-height:calc(90vh - 2rem)}.cookie-icon{font-size:1.5rem}.cookie-title{font-size:.9375rem}.btn-cookie{padding:.625rem .875rem;font-size:.8125rem;min-width:unset}}@media (prefers-reduced-motion: reduce){.cookie-banner{transition:none}}.modern-home{min-height:100vh;background:linear-gradient(180deg,#f8fafc,#fff);overflow-x:hidden}.public-header{position:sticky;top:0;z-index:100;background:#fffc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.06);padding:1rem 0}.header-logo{display:flex;align-items:center;gap:.75rem}.header-logo h1{margin:0;font-size:1.25rem;font-weight:600;letter-spacing:-.02em}.header-actions{display:flex;gap:.75rem}.btn-header-secondary,.btn-header-primary{padding:.625rem 1.25rem;border-radius:.5rem;font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .2s ease;border:none}.btn-header-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-header-secondary:hover{background:var(--bg-secondary)}.btn-header-primary{background:var(--primary);color:#fff}.btn-header-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px #2563eb4d}.hero-section{position:relative;min-height:90vh;display:flex;align-items:center;justify-content:center;padding:4rem 1rem;overflow:hidden}.hero-gradient{position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at top,rgba(37,99,235,.1) 0%,transparent 60%);pointer-events:none}.hero-content{position:relative;z-index:1;text-align:center;max-width:900px;margin:0 auto}.hero-emoji{font-size:5rem;margin-bottom:1.5rem;filter:drop-shadow(0 4px 12px rgba(0,0,0,.1))}.hero-title{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:700;line-height:1.1;margin-bottom:1.5rem;letter-spacing:-.03em;color:var(--text)}.gradient-text{background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:clamp(1.125rem,2vw,1.5rem);color:var(--text-light);margin-bottom:3rem;line-height:1.6;max-width:600px;margin-left:auto;margin-right:auto}.scroll-indicator{display:flex;flex-direction:column;align-items:center;gap:.5rem;color:var(--text-light);font-size:.875rem;font-weight:500}.scroll-arrow{font-size:1.5rem;color:var(--primary)}.actions-section{padding:4rem 1rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;max-width:1000px;margin:0 auto}.action-card{position:relative;background:#fff;border-radius:1.5rem;padding:2.5rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:2px solid transparent;overflow:hidden}.action-card:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;border-radius:inherit;padding:2px;background:linear-gradient(135deg,var(--primary),var(--success));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s ease}.action-card:hover:before{opacity:1}.action-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px #0000001a,0 0 0 1px #00000005}.card-icon{font-size:3.5rem;margin-bottom:1.5rem;filter:drop-shadow(0 2px 8px rgba(0,0,0,.1))}.card-title{font-size:1.75rem;font-weight:700;margin-bottom:1rem;letter-spacing:-.02em;color:var(--text)}.finder-card .card-title{color:var(--primary)}.owner-card .card-title{color:var(--success)}.card-description{color:var(--text-light);line-height:1.6;margin-bottom:2rem;font-size:1rem}.card-button{width:100%;padding:1rem;border:none;border-radius:.75rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;letter-spacing:-.01em}.card-button.primary{background:var(--primary);color:#fff}.card-button.primary:hover{background:var(--primary-dark);box-shadow:0 8px 24px #2563eb4d}.card-button.success{background:var(--success);color:#fff}.card-button.success:hover{background:#0ea472;box-shadow:0 8px 24px #10b9814d}.card-badge{position:absolute;top:1.5rem;right:1.5rem;background:var(--primary-light);color:var(--primary);padding:.375rem .75rem;border-radius:1rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.card-badge.premium{background:var(--success-light);color:var(--success)}.how-it-works{padding:6rem 1rem}.section-title{text-align:center;font-size:clamp(2rem,4vw,3rem);font-weight:700;margin-bottom:4rem;letter-spacing:-.02em;color:var(--text)}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;max-width:1200px;margin:0 auto}.step-card{position:relative;background:#fff;border-radius:1rem;padding:2rem;text-align:center;border:1px solid var(--border);transition:all .3s ease}.step-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #00000014;border-color:var(--primary)}.step-number{position:absolute;top:-1rem;left:50%;transform:translate(-50%);width:3rem;height:3rem;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;box-shadow:0 4px 12px #2563eb4d}.step-icon{font-size:2.5rem;margin:1.5rem 0 1rem}.step-title{font-size:1.25rem;font-weight:600;margin-bottom:.75rem;color:var(--text)}.step-description{color:var(--text-light);line-height:1.5;font-size:.9375rem}.features-section{background:linear-gradient(180deg,#fff,#f8fafc);padding:6rem 1rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;max-width:1200px;margin:0 auto}.feature-card{background:#fff;border-radius:1rem;padding:2rem;border:1px solid var(--border);transition:all .3s ease}.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #00000014;border-color:var(--primary-light)}.feature-icon{font-size:2.5rem;margin-bottom:1rem}.feature-title{font-size:1.125rem;font-weight:600;margin-bottom:.5rem;color:var(--text)}.feature-description{color:var(--text-light);line-height:1.5;font-size:.9375rem}.cta-section{padding:6rem 1rem;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:hidden}.cta-section:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:.3}.cta-content{position:relative;z-index:1;text-align:center;max-width:700px;margin:0 auto;color:#fff}.cta-title{font-size:clamp(2rem,4vw,3rem);font-weight:700;margin-bottom:1rem;letter-spacing:-.02em}.cta-subtitle{font-size:1.25rem;margin-bottom:2.5rem;opacity:.95}.cta-button{background:#fff;color:#667eea;padding:1.125rem 2.5rem;border:none;border-radius:.75rem;font-size:1.125rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 8px 24px #00000026}.cta-button:hover{transform:translateY(-2px);box-shadow:0 12px 32px #0003}.modern-footer{background:var(--bg);border-top:1px solid var(--border);padding:3rem 1rem 2rem;text-align:center}.footer-links{display:flex;justify-content:center;gap:2rem;margin-bottom:1.5rem;flex-wrap:wrap}.footer-links a{color:var(--text-light);text-decoration:none;font-size:.9375rem;cursor:pointer;transition:color .2s ease}.footer-links a:hover{color:var(--primary)}.footer-text{color:var(--text-light);margin:.5rem 0;font-size:.9375rem}.footer-version{color:var(--text-light);font-size:.8125rem;margin-top:.5rem;opacity:.7}@media (max-width: 768px){.hero-section{min-height:80vh;padding:3rem 1rem}.hero-emoji{font-size:4rem}.actions-section{grid-template-columns:1fr;padding:3rem 1rem}.how-it-works{padding:4rem 1rem}.steps-grid{grid-template-columns:1fr}.features-section{padding:4rem 1rem}.features-grid{grid-template-columns:1fr}.cta-section{padding:4rem 1rem}.header-actions{gap:.5rem}.btn-header-secondary,.btn-header-primary{padding:.5rem 1rem;font-size:.875rem}}.contact-page{min-height:100vh;background:linear-gradient(180deg,#f8fafc,#fff)}.contact-header{background:#fffc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.06);padding:1.5rem 0;position:sticky;top:0;z-index:100}.header-content{display:flex;align-items:center;justify-content:space-between}.back-button{background:none;border:none;color:var(--text);font-size:.9375rem;font-weight:500;cursor:pointer;transition:color .2s ease;padding:.5rem 1rem;border-radius:.5rem}.back-button:hover{color:var(--primary);background:var(--bg-secondary)}.header-content h1{margin:0;font-size:1.25rem;font-weight:600}.contact-container{padding:4rem 1rem;max-width:1200px}.contact-content{display:grid;grid-template-columns:1fr 1.5fr;gap:4rem;align-items:start}.contact-info{position:sticky;top:6rem}.contact-icon{font-size:3.5rem;margin-bottom:1.5rem}.contact-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;letter-spacing:-.02em;color:var(--text)}.contact-description{font-size:1.125rem;color:var(--text-light);line-height:1.6;margin-bottom:2.5rem}.contact-details{display:flex;flex-direction:column;gap:1.5rem}.detail-item{display:flex;gap:1rem;align-items:start}.detail-icon{font-size:2rem;flex-shrink:0}.detail-item h4{margin:0 0 .25rem;font-size:1rem;font-weight:600;color:var(--text)}.detail-item p{margin:0;font-size:.9375rem;color:var(--text-light)}.contact-form-wrapper{background:#fff;border-radius:1.5rem;padding:3rem;box-shadow:0 4px 24px #0000000f;border:1px solid var(--border)}.contact-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.9375rem;font-weight:600;color:var(--text);letter-spacing:-.01em}.form-input,.form-textarea{padding:.875rem 1rem;border:1px solid var(--border);border-radius:.5rem;font-size:1rem;font-family:inherit;color:var(--text);transition:all .2s ease;background:#fff}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-textarea{resize:vertical;min-height:150px;line-height:1.6}.submit-button{background:var(--primary);color:#fff;border:none;padding:1rem 2rem;border-radius:.75rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:.5rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.submit-button:hover:not(:disabled){background:var(--primary-dark);box-shadow:0 8px 24px #2563eb4d}.submit-button:disabled{opacity:.7;cursor:not-allowed}.spinner-small{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.success-message{text-align:center;padding:3rem 2rem}.success-icon{width:80px;height:80px;background:var(--success-light);color:var(--success);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:3rem;margin:0 auto 1.5rem;font-weight:700}.success-message h3{font-size:1.75rem;margin-bottom:1rem;color:var(--text)}.success-message p{color:var(--text-light);line-height:1.6;margin-bottom:1rem}.redirect-message{font-size:.875rem;color:var(--text-light);font-style:italic}.error-alert{background:var(--danger-light);color:var(--danger);padding:1rem;border-radius:.5rem;display:flex;align-items:center;gap:.75rem;font-size:.9375rem;border:1px solid var(--danger)}.error-icon{font-size:1.25rem;flex-shrink:0}@media (max-width: 768px){.contact-container{padding:2rem 1rem}.contact-content{grid-template-columns:1fr;gap:2.5rem}.contact-info{position:static}.contact-title{font-size:2rem}.contact-icon{font-size:2.5rem}.contact-form-wrapper{padding:2rem 1.5rem}.header-content{flex-direction:column;align-items:flex-start;gap:1rem}.back-button{padding:.5rem 0}}.mobile-menu-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;z-index:999;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.mobile-menu{position:fixed;top:0;right:0;bottom:0;width:80%;max-width:280px;background-color:var(--bg);box-shadow:-2px 0 8px #0003;z-index:1000;transform:translate(100%);transition:transform .3s ease;display:flex;flex-direction:column;overflow-y:auto}.mobile-menu-open{transform:translate(0)}.mobile-menu-header{padding:1.5rem 1rem;background-color:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:flex-start}.mobile-menu-user-info{flex:1}.mobile-menu-username{font-weight:600;font-size:1.125rem;color:var(--text);margin-bottom:.25rem}.mobile-menu-code{font-size:.875rem;color:var(--text-light)}.mobile-menu-premium-badge{display:inline-block;margin-top:.5rem;padding:.25rem .75rem;background-color:var(--success-light);color:var(--success);border-radius:12px;font-size:.75rem;font-weight:600}.mobile-menu-close{background:none;border:none;color:var(--text);font-size:2rem;line-height:1;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color .2s ease}.mobile-menu-close:hover{background-color:var(--bg)}.mobile-menu-close:active{transform:scale(.95)}.mobile-menu-nav{padding:1rem 0;display:flex;flex-direction:column}.mobile-menu-item{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;background:none;border:none;color:var(--text);font-size:1rem;font-weight:500;text-align:left;cursor:pointer;transition:background-color .2s ease;border-left:3px solid transparent;min-height:44px}.mobile-menu-item:hover{background-color:var(--bg-secondary)}.mobile-menu-item:active{background-color:var(--border)}.mobile-menu-icon{font-size:1.25rem;display:flex;align-items:center;justify-content:center;min-width:24px}.mobile-menu-item-highlight{color:var(--primary);font-weight:600}.mobile-menu-item-highlight:hover{background-color:var(--primary-light);border-left-color:var(--primary)}.mobile-menu-item-premium{color:var(--success)}.mobile-menu-item-premium:hover{background-color:var(--success-light);border-left-color:var(--success)}.mobile-menu-item-logout{color:var(--danger);margin-top:auto;border-top:1px solid var(--border)}.mobile-menu-item-logout:hover{background-color:var(--danger-light);border-left-color:var(--danger)}@media (min-width: 769px){.mobile-menu,.mobile-menu-overlay{display:none}}.modern-navbar{position:sticky;top:0;z-index:1000;background:#fffc;backdrop-filter:blur(12px) saturate(180%);-webkit-backdrop-filter:blur(12px) saturate(180%);border-bottom:1px solid rgba(255,255,255,.18);transition:all .3s cubic-bezier(.4,0,.2,1);padding:.75rem 0}.modern-navbar.scrolled{background:#fffffff2;box-shadow:0 1px 3px #0000000d,0 10px 30px #0000000d;border-bottom:1px solid rgba(0,0,0,.06)}.modern-navbar-content{display:flex;align-items:center;justify-content:space-between;gap:2rem}.navbar-logo{display:flex;align-items:center;gap:.75rem;cursor:pointer;-webkit-user-select:none;user-select:none}.logo-image{height:36px;width:36px;object-fit:contain;transition:transform .2s ease}.logo-text{font-size:1.25rem;font-weight:600;color:var(--text);letter-spacing:-.02em}.navbar-links{display:flex;align-items:center;gap:.5rem}.nav-link{background:none;border:none;color:var(--text);cursor:pointer;font-size:.9375rem;font-weight:500;padding:.625rem 1rem;border-radius:.5rem;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;letter-spacing:-.01em}.nav-link:hover{background:#0000000a;color:var(--primary)}.nav-link.primary{color:var(--primary);font-weight:600}.nav-link.primary:hover{background:var(--primary-light)}.navbar-user{display:flex;align-items:center;gap:1rem}.user-info{text-align:right;padding-right:1rem;border-right:1px solid var(--border)}.user-name{font-weight:600;font-size:.9375rem;color:var(--text);letter-spacing:-.01em}.user-code{font-size:.8125rem;color:var(--text-light);margin-top:.125rem}.user-code strong{color:var(--primary);font-weight:600;letter-spacing:.05em}.btn-logout{background:transparent;border:1px solid var(--border);color:var(--text);padding:.5rem 1rem;border-radius:.5rem;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);letter-spacing:-.01em}.btn-logout:hover{background:var(--bg-secondary);border-color:var(--text-light)}.navbar-hamburger{display:none;flex-direction:column;justify-content:center;align-items:center;gap:.25rem;background:none;border:none;cursor:pointer;padding:.5rem;min-width:44px;min-height:44px}.navbar-hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s ease}.navbar-hamburger:hover span{background:var(--primary)}@media (max-width: 768px){.modern-navbar{padding:.5rem 0}.navbar-links,.navbar-user{display:none}.navbar-hamburger{display:flex}.logo-text{font-size:1.125rem}.logo-image{height:32px;width:32px}}@media (prefers-color-scheme: dark){.modern-navbar{background:#0d1117cc;border-bottom:1px solid rgba(255,255,255,.1)}.modern-navbar.scrolled{background:#0d1117f2;border-bottom:1px solid rgba(255,255,255,.1)}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--secondary: #64748b;--success: #10b981;--success-light: #d1fae5;--danger: #ef4444;--danger-light: #fee2e2;--warning: #f59e0b;--bg: #ffffff;--bg-secondary: #f8fafc;--text: #1e293b;--text-light: #64748b;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-secondary);color:var(--text)}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.btn{padding:.75rem 1.5rem;border-radius:.5rem;border:none;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:var(--secondary);color:#fff}.btn-danger{background-color:var(--danger);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--bg);border-radius:.75rem;padding:1.5rem;box-shadow:var(--shadow);border:1px solid var(--border)}.input{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:.5rem;font-size:1rem;transition:border-color .2s}.input:focus{outline:none;border-color:var(--primary)}.input-group{margin-bottom:1rem}.input-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text)}.alert{padding:1rem;border-radius:.5rem;margin-bottom:1rem}.alert-error{background-color:#fee;color:var(--danger);border:1px solid var(--danger)}.alert-success{background-color:#efe;color:var(--success);border:1px solid var(--success)}.loading{display:flex;align-items:center;justify-content:center;padding:2rem}.spinner{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.navbar{background:var(--bg);border-bottom:1px solid var(--border);padding:1rem 0;box-shadow:var(--shadow)}.navbar-content{display:flex;justify-content:space-between;align-items:center}.chat-layout{display:grid;grid-template-columns:300px 1fr;gap:1rem;height:calc(100vh - 80px);padding:1rem}.chat-list{background:var(--bg);border-radius:.75rem;overflow-y:auto;border:1px solid var(--border)}.chat-window{background:var(--bg);border-radius:.75rem;display:flex;flex-direction:column;border:1px solid var(--border)}@media (max-width: 768px){.chat-layout{grid-template-columns:1fr}.chat-list{display:none}.chat-layout.show-list .chat-list{display:block}.chat-layout.show-list .chat-window{display:none}.navbar-desktop-links,.navbar-desktop-user{display:none!important}.navbar-hamburger{display:flex!important}}.navbar-hamburger{display:none;background:none;border:none;color:var(--text);font-size:1.75rem;cursor:pointer;padding:.5rem;line-height:1;transition:background-color .2s ease;border-radius:4px;min-width:44px;min-height:44px;align-items:center;justify-content:center}.navbar-hamburger:hover{background-color:var(--bg-secondary)}.navbar-hamburger:active{transform:scale(.95)}