:root{--sharekoni-green: #2E8B57;--sharekoni-green-dark: #257247;--sharekoni-green-light: #38ac6a;--sharekoni-gold: #DAA520;--sharekoni-gold-dark: #c0901c;--sharekoni-gold-light: #e6b840;--sharekoni-text-primary: #212529;--sharekoni-text-secondary: #495057;--sharekoni-text-light: #ffffff;--sharekoni-bg-primary: #ffffff;--sharekoni-bg-secondary: #f8f9fa;--sharekoni-bg-dark: #343a40;--sharekoni-border-color: #dee2e6;--sharekoni-shadow: 0 .5rem 1rem rgba(0, 0, 0, .15);--sharekoni-shadow-sm: 0 .125rem .25rem rgba(0, 0, 0, .075);--font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}body{font-family:var(--font-family-sans-serif);color:var(--sharekoni-text-primary);background-color:var(--sharekoni-bg-secondary);line-height:1.6;margin:0;padding:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--sharekoni-green);text-decoration:none}a:hover{color:var(--sharekoni-green-dark);text-decoration:underline}img{max-width:100%;height:auto}#root{display:flex;flex-direction:column;min-height:100vh}.app{display:flex;flex-direction:column;min-height:100vh;max-width:1200px;margin:0 auto;width:100%}.app-nav{background-color:#fafad2;padding:1rem 2rem;box-shadow:var(--sharekoni-shadow-sm);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--sharekoni-border-color);position:sticky;top:0;z-index:1000}.nav-logo a{font-size:1.8rem;font-weight:700;color:var(--sharekoni-green);text-decoration:none}.nav-logo a:hover{color:var(--sharekoni-green-dark)}.nav-links-container{display:flex;gap:1.5rem}.nav-link{color:var(--sharekoni-text-secondary);text-decoration:none;font-weight:500;padding:.5rem 1rem;border-radius:6px;transition:color .2s ease,background-color .2s ease}.nav-link:hover{color:var(--sharekoni-green);background-color:var(--sharekoni-bg-secondary);text-decoration:none}.nav-link.active{color:var(--sharekoni-green-dark);font-weight:700}main{flex:1;padding:2rem;background-color:var(--sharekoni-bg-secondary)}.page{background-color:var(--sharekoni-bg-primary);border-radius:8px;padding:2rem;box-shadow:var(--sharekoni-shadow);margin-bottom:2rem}.auth-separator{display:flex;align-items:center;text-align:center;margin:20px 0;color:var(--text-color-secondary)}.auth-separator:before,.auth-separator:after{content:"";flex:1;border-bottom:1px solid var(--border-color)}.auth-separator:not(:empty):before{margin-right:.25em}.auth-separator:not(:empty):after{margin-left:.25em}.button{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;text-align:center;text-decoration:none;color:var(--sharekoni-white, #FFFFFF);background-color:var(--sharekoni-green, #28a745);border:1px solid transparent;border-radius:8px;cursor:pointer;transition:background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;box-sizing:border-box;line-height:1.5}.button:hover{background-color:var(--sharekoni-green-dark, #218838);color:var(--sharekoni-white, #FFFFFF);box-shadow:var(--sharekoni-shadow-sm, 0 2px 4px rgba(0,0,0,.1))}.button:disabled,.button[disabled]{background-color:var(--sharekoni-gray-light, #e9ecef);color:var(--sharekoni-gray-medium, #6c757d);cursor:not-allowed;border-color:var(--sharekoni-gray-light, #e9ecef);box-shadow:none}.button-google{background-color:#4285f4;color:#fff!important;display:flex;align-items:center;justify-content:center;gap:.75rem;transition:background-color .3s ease;width:100%;padding:.75rem 1.5rem;box-sizing:border-box;border-color:#4285f4}.button-google:hover{background-color:#357ae8!important;border-color:#357ae8!important;color:#fff!important}.button-google svg{width:18px;height:18px}h1,h2,h3,h4,h5,h6{color:var(--sharekoni-text-primary);margin-bottom:1rem;font-weight:600}h1{font-size:2.2rem}h2{font-size:1.8rem}h3{font-size:1.5rem}p{margin-bottom:1rem;color:var(--sharekoni-text-secondary);line-height:1.7}.app-footer{text-align:center;padding:2rem 1rem;border-top:1px solid var(--sharekoni-border-color, #dee2e6);background-color:#fafad2;color:var(--sharekoni-text-secondary, #6c757d);margin-top:auto}.footer-links{display:flex;justify-content:center;align-items:center;gap:1.5rem;margin-bottom:1rem}.footer-link{color:var(--sharekoni-text-secondary, #6c757d);text-decoration:none;font-weight:500;transition:color .2s ease}.footer-link:hover{color:var(--sharekoni-green, #28a745);text-decoration:underline}.app-footer p:last-child{margin-bottom:0;opacity:1;font-weight:500}a{color:var(--sharekoni-green);text-decoration:none;transition:color .2s ease}a:hover{text-decoration:underline}.back-link{display:inline-block;margin-top:1.5rem;color:var(--primary-color);text-decoration:none;font-weight:500}.back-link:hover{text-decoration:underline}@media (max-width: 768px){.app{padding:0 1rem}h1{font-size:1.75rem}.page{padding:1.5rem}.nav-links{flex-direction:column;gap:.5rem;align-items:center}}.page-container{max-width:450px;margin:4rem auto;padding:2.5rem;background-color:var(--sharekoni-bg-primary);border-radius:8px;box-shadow:var(--sharekoni-shadow);text-align:center}.page-container h2{color:var(--sharekoni-green-dark);margin-bottom:2rem;font-size:2rem}.auth-form .form-group{margin-bottom:1.5rem;text-align:left}.auth-form label{display:block;margin-bottom:.5rem;color:var(--sharekoni-text-secondary);font-weight:600;font-size:.9rem}.auth-form .form-control{width:100%;padding:.8rem 1rem;border:1px solid var(--sharekoni-border-color);border-radius:6px;font-size:1rem;color:var(--sharekoni-text-primary);background-color:var(--sharekoni-bg-primary);transition:border-color .2s ease,box-shadow .2s ease;box-sizing:border-box}.auth-form .form-control:focus{border-color:var(--sharekoni-green);outline:0;box-shadow:0 0 0 .2rem #2e8b5740}.auth-form .error-message{color:#dc3545;background-color:#f8d7da;border:1px solid #f5c6cb;padding:.75rem 1.25rem;margin-top:1rem;margin-bottom:1rem;border-radius:6px;font-size:.9rem;text-align:left}.auth-form .button-primary{width:100%;padding:.8rem 1.5rem;font-size:1.1rem;font-weight:600;background-color:var(--sharekoni-green);color:var(--sharekoni-text-light);border:none;border-radius:6px;cursor:pointer;transition:background-color .2s ease,transform .1s ease}.auth-form .button-primary:hover{background-color:var(--sharekoni-green-dark)}.auth-form .button-primary:disabled{background-color:#ccc;cursor:not-allowed}.auth-form .button-primary:active{transform:translateY(1px)}.auth-switch-link{margin-top:2rem;font-size:.95rem;color:var(--sharekoni-text-secondary)}.auth-switch-link a{color:var(--sharekoni-green);font-weight:600;text-decoration:none}.auth-switch-link a:hover{text-decoration:underline}.button-logout{background-color:transparent;border:1px solid var(--sharekoni-gold);color:var(--sharekoni-gold)!important;padding:.4rem .8rem!important}.button-logout:hover{background-color:var(--sharekoni-gold)!important;color:var(--sharekoni-text-light)!important}.home-page{display:flex;flex-direction:column;gap:3rem}.hero-section{background-color:var(--sharekoni-bg-primary);padding:4rem 2rem;text-align:center;border-radius:8px;box-shadow:var(--sharekoni-shadow)}.hero-content h1{font-size:2.8rem;color:var(--sharekoni-green);margin-bottom:.75rem}.hero-content .tagline{font-size:1.5rem;color:var(--sharekoni-gold);margin-bottom:1rem;font-weight:500}.hero-content .description{font-size:1.1rem;color:var(--sharekoni-text-secondary);max-width:700px;margin:0 auto 2rem;line-height:1.7}.cta-buttons{display:flex;justify-content:center;gap:1rem}.btn-primary{background-color:var(--sharekoni-green);color:var(--sharekoni-text-light);border-color:var(--sharekoni-green)}.btn-primary:hover{background-color:var(--sharekoni-green-dark);border-color:var(--sharekoni-green-dark);color:var(--sharekoni-text-light);transform:translateY(-2px);box-shadow:0 4px 8px #0000001a}.backend-message-section{background-color:var(--sharekoni-bg-primary);padding:2rem;border-radius:8px;box-shadow:var(--sharekoni-shadow-sm);text-align:center}.backend-message-section h3{color:var(--sharekoni-text-primary);margin-bottom:1rem;font-size:1.4rem}.loading-text{color:var(--sharekoni-text-secondary)}.error-text{color:#dc3545;font-weight:500}.success-text{color:var(--sharekoni-green);font-weight:500;font-style:italic}.about-page{display:flex;flex-direction:column;gap:2.5rem}.about-header{text-align:center;padding:2rem 1rem;background-color:var(--sharekoni-green-light);color:var(--sharekoni-text-light);border-radius:8px;margin-bottom:1rem}.about-header h1{font-size:2.5rem;margin-bottom:.5rem;color:var(--sharekoni-text-light)}.about-header .subtitle{font-size:1.2rem;color:var(--sharekoni-text-light)}.about-content{background-color:var(--sharekoni-bg-primary);padding:2rem;border-radius:8px;box-shadow:var(--sharekoni-shadow-sm)}.content-block{margin-bottom:2rem}.content-block:last-child{margin-bottom:0}.content-block h2{font-size:1.8rem;color:var(--sharekoni-green);margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:2px solid var(--sharekoni-gold-light);display:inline-block}.content-block p{font-size:1rem;line-height:1.7;color:var(--sharekoni-text-secondary)}.back-to-home{text-align:center;margin-top:1rem}.btn{padding:.75rem 1.5rem;border-radius:25px;text-decoration:none;font-weight:600;font-size:1rem;transition:all .3s ease;border:2px solid transparent}.btn-secondary{background-color:transparent;color:var(--sharekoni-gold);border-color:var(--sharekoni-gold)}.btn-secondary:hover{background-color:var(--sharekoni-gold);color:var(--sharekoni-text-light);transform:translateY(-2px);box-shadow:0 4px 8px #0000001a}.language-switcher{display:flex;gap:.5rem;align-items:center}.language-switcher button{background-color:transparent;color:var(--sharekoni-green-dark);border:1px solid var(--sharekoni-gold-light);padding:.3rem .6rem;border-radius:var(--sharekoni-border-radius-sm, 4px);cursor:pointer;font-size:.9rem;transition:background-color .2s,color .2s,border-color .2s}.language-switcher button:hover:not(:disabled){background-color:var(--sharekoni-gold-light);color:var(--sharekoni-green-dark);border-color:var(--sharekoni-gold)}.language-switcher button:disabled{background-color:var(--sharekoni-gold);color:var(--sharekoni-text-light);cursor:default;border-color:var(--sharekoni-gold-dark, var(--sharekoni-gold));opacity:.9}.language-switcher button.active{font-weight:700}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--text-primary: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--primary: #2563eb;--primary-hover: #1d4ed8;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius-sm: .25rem;--radius: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-full: 9999px;--transition: all .2s ease-in-out}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--border-color: #334155;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .25), 0 1px 2px 0 rgba(0, 0, 0, .2);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .25), 0 2px 4px -1px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .25), 0 4px 6px -2px rgba(0, 0, 0, .2)}html{font-size:16px;height:100%}body{font-family:var(--font-sans);line-height:1.5;color:var(--text-primary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100%;transition:background-color .2s ease,color .2s ease}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:.75em;color:var(--text-primary)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:1rem;color:var(--text-secondary)}a{color:var(--primary);text-decoration:none;transition:var(--transition)}a:hover{text-decoration:underline;color:var(--primary-hover)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}.text-center{text-align:center}.text-right{text-align:right}.text-left{text-align:left}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.fade-in{animation:fadeIn .3s ease-in-out}