:root{--primary-color:#3498db;--secondary-color:#2c3e50;--accent-color:#e74c3c;--light-color:#ecf0f1;--dark-color:#2c3e50;--text-color:#333;--text-muted:#64748b;--background-color:#f1f5f9;--card-background:#fff;--shadow-color:#0000001a;--border-color:#e2e8f0;--badge-bg:#e2e8f0;--header-gradient:linear-gradient(135deg,#3498db,#2c3e50);--footer-bg:#2c3e50}*{box-sizing:border-box;margin:0;padding:0}body,html{color:#333;color:var(--text-color);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;transition:color .3s}.container{margin:0 auto;max-width:1200px;padding:1rem;width:90%}.header{background:linear-gradient(135deg,#3498db,#2c3e50);background:var(--header-gradient);color:#fff;padding:1rem 0;position:relative;transition:background .3s;z-index:10}.header .container{align-items:center;display:flex;justify-content:space-between}.logo-image{display:block;height:40px;width:auto}@media (max-width:768px){.logo-image{height:32px}}.controls-container{align-items:center;display:flex;gap:1rem}.auth-container{display:none}.mobile-menu-toggle{background:none;border:none;cursor:pointer;display:none;line-height:1;padding:.5rem}.logo,.mobile-menu-toggle{color:#fff;font-size:1.5rem}.logo{font-weight:700;text-decoration:none}.navigation ul{display:flex;list-style:none}.navigation li{margin-left:1.5rem}.navigation a{color:#fff;font-weight:500;text-decoration:none;transition:opacity .3s}.navigation a:hover{opacity:.8}.footer{background-color:#2c3e50;background-color:var(--footer-bg);color:#fff;margin-top:3rem;padding:1.5rem 0;position:relative;text-align:center;transition:background-color .3s;z-index:10}.main-content{background-color:initial;min-height:calc(100vh - 200px);padding:2rem 0;position:relative;z-index:1}.hero-section{border-radius:8px;box-shadow:0 4px 12px #0000001a;box-shadow:0 4px 12px var(--shadow-color);margin-bottom:2rem;padding:4rem 0;position:relative;text-align:center;transition:background-color .3s,box-shadow .3s,color .3s;z-index:2}.hero-section h1{color:#333;color:var(--text-color);font-size:2.5rem;margin-bottom:1rem;transition:color .3s}.btn{background-color:#3498db;background-color:var(--primary-color);border:none;border-radius:4px;color:#fff;cursor:pointer;display:inline-block;font-weight:600;padding:.8rem 1.5rem;text-decoration:none;transition:background-color .3s}.btn:hover{background-color:#2c3e50;background-color:var(--secondary-color)}.about-section{padding:3rem 0}.about-content{display:flex;gap:2rem;margin-top:2rem}.about-image,.about-text{flex:1 1}.placeholder-image{border-radius:8px;height:400px;width:100%}.skills-section{border-radius:8px;box-shadow:0 4px 12px #0000001a;box-shadow:0 4px 12px var(--shadow-color);padding:3rem 0;position:relative;transition:background-color .3s,box-shadow .3s;z-index:2}.skills-container{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));margin-top:2rem}.skill-card{border-radius:8px;padding:1.5rem;position:relative;transition:background-color .3s,transform .3s,color .3s;z-index:2}.skill-card:hover{transform:translateY(-5px)}.skill-card h3{color:#333;color:var(--text-color);margin-bottom:.5rem;transition:color .3s}.projects-page{padding:2rem 0}.projects-grid{grid-gap:2.5rem;gap:2.5rem;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));margin-top:2rem;padding:1rem}.project-card-container{border-radius:12px;box-shadow:0 8px 20px #0000001a;box-shadow:0 8px 20px var(--shadow-color);flex-direction:column;height:100%;overflow:hidden;position:relative;transition:transform .3s,box-shadow .3s,background-color .3s;z-index:2}.project-card-container:hover{box-shadow:0 12px 30px #0000001a;box-shadow:0 12px 30px var(--shadow-color);transform:translateY(-10px)}.project-card{background-color:initial;flex-grow:1;padding:1.5rem}.project-category{position:absolute;right:15px;top:15px;z-index:3}.badge{background-color:#e2e8f0;background-color:var(--badge-bg);border-radius:15px;color:#333;color:var(--text-color);font-size:.75rem;font-weight:600;padding:5px 10px;text-transform:uppercase;transition:background-color .3s,color .3s}.badge.professional{background-color:#3498db;background-color:var(--primary-color);color:#fff}.badge.hobby{background-color:#e74c3c;background-color:var(--accent-color);color:#fff}.project-description,.project-long-description{color:#333;color:var(--text-color);transition:color .3s}.filter-btn{background-color:#ecf0f1;border-radius:4px;color:#333;color:var(--text-color);padding:.5rem 1rem;transition:background-color .3s,color .3s}.filter-btn:hover{background-color:#3498db}.filter-btn.active{background-color:#2c3e50}.analytics-page{padding:2rem 0}.analytics-tools{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fill,minmax(500px,1fr));margin-top:2rem}.tool-card{background-color:#fff;background-color:var(--card-background);border-radius:8px;box-shadow:0 4px 12px #0000001a;box-shadow:0 4px 12px var(--shadow-color);padding:1.5rem;position:relative;transition:background-color .3s,box-shadow .3s;z-index:2}.contact-page{padding:2rem 0}.contact-form{border-radius:8px;box-shadow:0 4px 12px #0000001a;box-shadow:0 4px 12px var(--shadow-color);margin:2rem auto;max-width:600px;padding:2rem;position:relative;transition:background-color .3s,box-shadow .3s;z-index:2}.form-group{margin-bottom:1.5rem}.form-group label{color:#333;color:var(--text-color);display:block;font-weight:600;margin-bottom:.5rem;transition:color .3s}.form-group input,.form-group textarea{background-color:#f1f5f9;background-color:var(--background-color);border:1px solid #e2e8f0;border:1px solid var(--border-color);border-radius:4px;color:#333;color:var(--text-color);font-family:inherit;padding:.8rem;transition:background-color .3s,color .3s,border-color .3s;width:100%}.form-group textarea{min-height:150px;resize:vertical}.loading{align-items:center;background-color:#00000080;display:flex;flex-direction:column;height:100vh;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:100}.loading-spinner{animation:spin 1s linear infinite;border:4px solid #ffffff4d;border-left:4px solid var(--primary-color);border-radius:50%;height:36px;margin-bottom:1rem;width:36px}.theme-toggle{align-items:center;background:#0000;border:none;border-radius:50%;color:#fff;cursor:pointer;display:flex;font-size:1.6rem;justify-content:center;margin-left:10px;padding:8px;transition:background-color .3s}.theme-toggle:hover{background-color:#ffffff1a}.app{background-color:initial;color:#333;color:var(--text-color);min-height:100vh;position:relative}.app.dark{--primary-color:#3b82f6;--secondary-color:#64748b;--accent-color:#f43f5e;--light-color:#334155;--dark-color:#0f172a;--text-color:#f1f5f9;--text-muted:#94a3b8;--background-color:#0f172a;--card-background:#1e293b;--shadow-color:#00000040;--border-color:#334155;--badge-bg:#64748b;--badge-text-color:#f1f5f9;--header-gradient:linear-gradient(135deg,#1e40af,#1e293b);--footer-bg:#1e293b}.app.light{--primary-color:#3498db;--secondary-color:#2c3e50;--accent-color:#e74c3c;--light-color:#ecf0f1;--dark-color:#2c3e50;--text-color:#1e293b;--text-muted:#64748b;--background-color:#f1f5f9;--card-background:#fff;--shadow-color:#0000001a;--border-color:#e2e8f0;--badge-bg:#e2e8f0;--badge-text-color:#1e293b;--header-gradient:linear-gradient(135deg,#3498db,#2c3e50);--footer-bg:#2c3e50}.tech-background{height:100%;left:0;overflow:hidden;pointer-events:none;position:fixed;top:0;width:100%;z-index:-10}.background{background-color:#f1f5f9;background-color:var(--background-color);transition:background-color .3s;z-index:-9}.background,.grid{height:100%;left:0;position:absolute;top:0;width:100%}.grid{background-size:30px 30px;transition:background-image .3s;z-index:-8}.app.dark .grid{background-image:linear-gradient(#3b82f60d 1px,#0000 0),linear-gradient(90deg,#3b82f60d 1px,#0000 0)}.app.light .grid{background-image:linear-gradient(#0f172a0d 1px,#0000 0),linear-gradient(90deg,#0f172a0d 1px,#0000 0)}.tech-icons{height:100%;position:absolute;width:100%;z-index:-7}.tech-icon{animation:float 10s ease-in-out infinite;font-size:28px;opacity:.1;position:absolute;transition:color .3s}.app.dark .tech-icon{color:#fff}.app.light .tech-icon{color:#1e293b}.blurred-circle{border-radius:50%;filter:blur(60px);position:absolute;transition:background-color .3s;z-index:-6}.blurred-circle.purple{height:300px;width:300px}.blurred-circle.blue{height:200px;width:200px}.blurred-circle.pink{height:250px;width:250px}.app.dark .blurred-circle.purple{background-color:#4f46e566}.app.dark .blurred-circle.blue{background-color:#3b82f64d}.app.dark .blurred-circle.pink{background-color:#ec489933}.app.light .blurred-circle.purple{background-color:#4f46e533}.app.light .blurred-circle.blue{background-color:#3b82f633}.app.light .blurred-circle.pink{background-color:#ec48991a}@keyframes float{0%,to{transform:translateY(0) translateX(0)}25%{transform:translateY(-20px) translateX(10px)}50%{transform:translateY(-10px) translateX(20px)}75%{transform:translateY(-15px) translateX(-10px)}}.app.dark .contact-form,.app.dark .hero-section,.app.dark .project-card-container,.app.dark .skill-card,.app.dark .skills-section,.app.dark .tool-card{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background-color:#1e293bd9}.app.dark .project-card-container .project-description,.app.dark .project-card-container .project-long-description,.app.dark .project-card-container h3,.app.dark .project-card-container h4,.app.dark .project-card-container p{color:#333;color:var(--text-color)}.app.light .contact-form,.app.light .hero-section,.app.light .project-card-container,.app.light .skill-card,.app.light .skills-section,.app.light .tool-card{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background-color:#ffffffd9}.app.light .project-card-container .project-description,.app.light .project-card-container .project-long-description,.app.light .project-card-container h3,.app.light .project-card-container h4,.app.light .project-card-container p,h1,h2,h3,h4,h5,h6{color:#333;color:var(--text-color)}h1,h2,h3,h4,h5,h6{transition:color .3s}.app.dark .project-detail-page div,.app.dark .project-detail-page h1,.app.dark .project-detail-page h2,.app.dark .project-detail-page h3,.app.dark .project-detail-page h4,.app.dark .project-detail-page h5,.app.dark .project-detail-page h6,.app.dark .project-detail-page li,.app.dark .project-detail-page p,.app.dark .project-detail-page span{color:#333;color:var(--text-color)}.app.dark .project-detail-page a:hover{color:#e74c3c;color:var(--accent-color)}.app.dark .project-detail-page code,.app.dark .project-detail-page pre{background-color:#ecf0f1;background-color:var(--light-color);border:1px solid #e2e8f0;border:1px solid var(--border-color);border-radius:4px;color:#333;color:var(--text-color);padding:.5em}@media (max-width:768px){.about-content{flex-direction:column}.navigation ul{padding:1rem;right:0;width:200px}.navigation li{margin:.5rem 0}.analytics-tools,.projects-grid,.skills-container{grid-template-columns:1fr}.navigation ul{background:#2c3e50;background:var(--secondary-color);box-shadow:0 4px 8px #0000001a;display:none;flex-direction:column;left:0;padding:1rem 0;position:absolute;top:100%;width:100%;z-index:100}.navigation ul.active{display:flex}.navigation li{margin:0;width:100%}.navigation a{display:block;padding:.8rem 1rem;text-align:left;width:100%}.navigation a:hover{background-color:#ffffff1a;opacity:1}.mobile-menu-toggle{display:block}.auth-container{display:none}.controls-container{justify-content:flex-end}}.project-card{border-radius:8px;box-shadow:0 4px 12px #0000001a;display:flex;flex-direction:column;height:100%;overflow:hidden;transition:transform .3s,box-shadow .3s}.project-card:hover{box-shadow:0 8px 16px #00000026;transform:translateY(-5px)}.project-image-container{height:200px;overflow:hidden}.project-image{height:100%;object-fit:cover;transition:transform .5s;width:100%}.project-card:hover .project-image{transform:scale(1.05)}.project-content{display:flex;flex-direction:column;flex-grow:1;padding:20px}.project-title{font-size:1.5rem;margin-bottom:10px}.project-description{color:#666;flex-grow:1;margin-bottom:15px}.project-tech{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:15px}.tech-badge{background-color:var(--badge-bg);border-radius:4px;color:var(--badge-text-color);font-size:.8rem;font-weight:500;padding:4px 8px;transition:background-color .3s,color .3s}.project-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto}.project-btn{flex:1 1;font-size:.9rem;min-width:100px;padding:8px 12px;text-align:center}.demo-btn{background-color:var(--accent-color)}.github-btn{background-color:#333}@media (max-width:768px){.project-links{flex-direction:column}}.projects-page{padding:40px 0}.page-title{color:var(--secondary-color);font-size:2.5rem;margin-bottom:15px;text-align:center}.page-description{color:#666;font-size:1.1rem;margin:0 auto 40px;max-width:800px;text-align:center}.project-filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}.filter-btn{background-color:var(--light-color);border:none;border-radius:20px;color:var(--secondary-color);cursor:pointer;font-weight:500;padding:8px 16px;transition:all .3s}.filter-btn:hover{background-color:var(--primary-color);color:#fff}.filter-btn.active{background-color:var(--secondary-color);color:#fff}.projects-grid{grid-gap:30px;display:grid;gap:30px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.project-card-container{display:flex}.no-projects{color:#666;font-size:1.1rem;grid-column:1/-1;padding:40px;text-align:center}@media (max-width:768px){.page-title{font-size:2rem}.projects-grid{grid-template-columns:1fr}.project-filters{justify-content:flex-start;overflow-x:auto;padding-bottom:10px}}.project-detail-page{padding:40px 0}.project-detail-header{margin-bottom:30px}.back-link{color:var(--primary-color);display:inline-block;font-weight:500;margin-bottom:15px;text-decoration:none;transition:color .3s}.back-link:hover{color:var(--accent-color)}.project-title{color:var(--secondary-color);font-size:2.5rem;margin-bottom:20px}.project-main-image-container{border-radius:8px;box-shadow:0 4px 12px #0000001a;height:400px;margin-bottom:30px;overflow:hidden;width:100%}.project-main-image{height:100%;object-fit:cover;width:100%}.project-info-section{grid-gap:30px;display:grid;gap:30px;grid-template-columns:2fr 1fr;margin-bottom:30px}.project-challenges-section,.project-description-section,.project-methodology-section{grid-column:1/2}.project-tech-section{grid-column:2/3;grid-row:span 3}.project-challenges-section h2,.project-description-section h2,.project-methodology-section h2,.project-tech-section h2{border-bottom:2px solid var(--light-color);color:var(--secondary-color);font-size:1.5rem;margin-bottom:15px;padding-bottom:10px}.project-long-description{color:#555;line-height:1.6}.project-tech-list{display:flex;flex-wrap:wrap;gap:10px}.tech-badge-large{background-color:var(--badge-bg);border-radius:4px;color:var(--badge-text-color);font-weight:500;padding:8px 16px;transition:background-color .3s,color .3s}.methodology-list{list-style-type:disc;margin-top:10px;padding-left:20px}.methodology-list li{color:#555;margin-bottom:8px}.challenge-item{margin-bottom:20px}.challenge-item h3{color:var(--secondary-color);font-size:1.2rem;margin-bottom:8px}.challenge-item p{color:#555}.project-links-section{display:flex;gap:20px}.project-large-btn{flex:1 1;font-size:1rem;max-width:300px;padding:12px 24px;text-align:center}.project-not-found{padding:60px 0;text-align:center}.back-to-projects{display:inline-block;margin-top:20px}@media (max-width:992px){.project-info-section{grid-template-columns:1fr}.project-tech-section{grid-column:1/2;grid-row:auto}.project-links-section{flex-direction:column}.project-large-btn{max-width:100%}}@media (max-width:768px){.project-main-image-container{height:250px}.project-title{font-size:2rem}}.dashboard-container{background-color:#f5f5f5;border:1px solid #ddd;box-shadow:0 4px 12px #0000001a;height:100%;margin:20px 0;min-height:500px;width:100%}.dashboard-iframe{background-color:#fff;border:none;display:block;min-height:1650px;width:100%}.dashboard-error,.dashboard-loading{align-items:center;background-color:#f9f9f9;border-radius:8px;height:100%;justify-content:center;padding:20px;width:100%}.spinner{animation:spin 1s linear infinite;border:4px solid #0000001a;border-left-color:#09f;border-radius:50%;height:36px;margin-bottom:20px;width:36px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.dashboard-error{background-color:#fff3f3;border-left:4px solid #ff6b6b;border-radius:4px;color:#d32f2f;margin:20px 0;padding:20px}.dashboard-error button{background-color:#06c;border:none;border-radius:4px;color:#fff;cursor:pointer;margin-top:15px;padding:8px 16px}.dashboard-embed-container,.dashboard-embed-wrapper{height:100%;overflow:hidden;width:100%}.analytics-page{margin:0 auto;max-width:1900px;padding:2rem}.dashboard-selector{margin-bottom:2rem}.dashboard-options{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1rem}.dashboard-option{border:2px solid var(--border-color);border-radius:8px;cursor:pointer;font-weight:500;padding:.75rem 1.5rem;transition:all .2s ease}.dashboard-option:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.dashboard-option.selected{background-color:var(--primary-color);border-color:var(--primary-color);color:#fff}.error-message,.loading-message{padding:2rem;text-align:center}.error-message{color:var(--accent-color)}.dashboard-container{border:1px solid var(--border-color);border-radius:8px;margin-top:2rem;overflow:hidden}