:root{--primary:#4361ee;--primary-hover:#3a53d0;--secondary:#3a0ca3;--accent:#4cc9f0;--success:#2ecc71;--dark:#212529;--light:#f8f9fa;--card-shadow:0 8px 30px rgba(0,0,0,0.12);--transition:all 0.3s ease;--bg-gradient:linear-gradient(135deg,#f6f9fc,#eef2f7);--card-bg:white;--text-color:#212529;--text-muted:#6c757d;--border-color:#e2e8f0;--footer-bg:#212529;--footer-text:#fff;--footer-link:#9ca3af}[data-theme="dark"]{--bg-gradient:linear-gradient(135deg,#161b22,#0d1117);--card-bg:#1e1e2d;--text-color:#e1e1e1;--text-muted:#a0a0a0;--border-color:#2d3748;--dark:#e1e1e1;--light:#1e1e2d;--footer-bg:#0d1117;--footer-text:#e1e1e1;--footer-link:#a0a0a0}
body{font-family:'Merriweather',serif;background:var(--bg-gradient);min-height:100vh;margin:0;color:var(--text-color);overflow-x:hidden;transition:background 0.3s ease}
h1,h2,h3,h4,.btn,.nav-link{font-family:'Poppins',sans-serif}.navbar{background-color:rgba(255,255,255,0.95)!important;backdrop-filter:blur(10px);box-shadow:0 2px 15px rgba(0,0,0,0.08);transition:all 0.3s ease}[data-theme="dark"].navbar{background-color:rgba(30,30,45,0.95)!important;box-shadow:0 2px 15px rgba(0,0,0,0.2)}.navbar-brand{font-weight:700;font-size:1.5rem;background:linear-gradient(45deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}[data-theme="dark"].nav-link{color:var(--text-color)!important}[data-theme="dark"].navbar-toggler{border-color:var(--border-color);color:var(--text-color)}.navbar-toggler-icon{transition:background-image 0.3s ease}[data-theme="dark"].navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}.theme-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background-color:var(--light);color:var(--dark);border:none;cursor:pointer;transition:var(--transition);box-shadow:0 2px 10px rgba(0,0,0,0.1)}.theme-toggle:hover{transform:translateY(-3px);box-shadow:0 4px 15px rgba(0,0,0,0.15)}[data-theme="dark"].theme-toggle{background-color:#2d3748;color:#f8f9fa}.hero{padding:6rem 1rem 4rem;text-align:center;position:relative;overflow:hidden}.hero::before{content:"";position:absolute;top:-10rem;right:-10rem;width:35rem;height:35rem;border-radius:50%;background:radial-gradient(circle,rgba(76,201,240,0.1)0%,rgba(255,255,255,0)70%);z-index:-1}.hero::after{content:"";position:absolute;bottom:-10rem;left:-10rem;width:30rem;height:30rem;border-radius:50%;background:radial-gradient(circle,rgba(67,97,238,0.1)0%,rgba(255,255,255,0)70%);z-index:-1}[data-theme="dark"].hero::before{background:radial-gradient(circle,rgba(76,201,240,0.05)0%,rgba(30,30,45,0)70%)}[data-theme="dark"].hero::after{background:radial-gradient(circle,rgba(67,97,238,0.05)0%,rgba(30,30,45,0)70%)}.hero-title{font-weight:700;margin-bottom:1.5rem;background:linear-gradient(45deg,var(--secondary),var(--primary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{max-width:600px;margin:0 auto 2.5rem;color:var(--text-muted);font-size:1.1rem}.topic-card{border-radius:12px;border:none;transition:var(--transition);overflow:hidden;background:var(--card-bg);box-shadow:0 4px 12px rgba(0,0,0,0.08)}.topic-card:hover{transform:translateY(-5px)scale(1.02);box-shadow:var(--card-shadow)}.topic-card.card-body{padding:1.75rem 1.5rem;border-radius:12px;min-height:120px}[data-theme="dark"].card{background-color:var(--card-bg);color:var(--text-color)}[data-theme="dark"].card-footer{background-color:rgba(0,0,0,0.1);border-color:var(--border-color)}.section-title{position:relative;display:inline-block;margin-bottom:1.5rem;padding-bottom:0.5rem;color:var(--text-color)}.section-title::after{content:'';position:absolute;bottom:0;left:0;width:80px;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px}.btn{border-radius:8px;padding:0.75rem 1.5rem;font-weight:600;transition:var(--transition);box-shadow:0 4px 10px rgba(0,0,0,0.1);text-transform:uppercase;letter-spacing:0.5px}.btn-primary{background-color:var(--primary);border-color:var(--primary)}.btn-primary:hover,.btn-primary:focus{background-color:var(--primary-hover);border-color:var(--primary-hover);box-shadow:0 6px 15px rgba(67,97,238,0.25)}.btn-success{background-color:var(--success);border-color:var(--success)}.btn-success:hover,.btn-success:focus{background-color:#27ae60;border-color:#27ae60;box-shadow:0 6px 15px rgba(46,204,113,0.25)}[data-theme="dark"].btn-outline-primary{color:var(--primary);border-color:var(--primary)}[data-theme="dark"].btn-outline-secondary{color:var(--text-color);border-color:var(--border-color)}[data-theme="dark"].btn-outline-primary:hover{background-color:var(--primary);color:white}[data-theme="dark"].btn-outline-secondary:hover{background-color:var(--border-color);border-color:var(--border-color)}.form-control{border-radius:8px;padding:0.75rem 1.25rem;font-size:1rem;border:1px solid var(--border-color);box-shadow:0 2px 10px rgba(0,0,0,0.03);transition:var(--transition);background-color:var(--card-bg);color:var(--text-color)}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(67,97,238,0.15);background-color:var(--card-bg);color:var(--text-color)}[data-theme="dark"].form-control::placeholder{color:var(--text-muted)}.badge{padding:0.5rem 0.85rem;border-radius:8px;font-weight:500;font-size:0.8rem;display:inline-block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.time-indicator{background:linear-gradient(45deg,var(--primary),var(--accent));padding:0.5rem 1.25rem;border-radius:50px;color:white;font-weight:600;font-size:0.9rem;display:inline-flex;align-items:center;margin-bottom:1.5rem;box-shadow:0 4px 12px rgba(76,201,240,0.2)}.time-indicator i{margin-right:0.5rem;font-size:1.1rem}.loader-container{display:flex;justify-content:center;align-items:center;flex-direction:column;padding:2rem;width:100%}.loader{width:60px;height:60px;border-radius:50%;margin-bottom:1rem;position:relative;animation:rotate 1s linear infinite}.loader::before{content:"";box-sizing:border-box;position:absolute;inset:0px;border-radius:50%;border:5px solid var(--primary);animation:prixClipFix 2s linear infinite}.loader-text{font-size:1.1rem;font-weight:600;color:var(--primary);font-family:'Poppins',sans-serif}
@keyframes rotate{100%{transform:rotate(360deg)}}
@keyframes prixClipFix{0%{clip-path:polygon(50%50%,0 0,0 0,0 0,0 0,0 0)}
25%{clip-path:polygon(50%50%,0 0,100%0,100%0,100%0,100%0)}
50%{clip-path:polygon(50%50%,0 0,100%0,100%100%,100%100%,100%100%)}
75%{clip-path:polygon(50%50%,0 0,100%0,100%100%,0 100%,0 100%)}
100%{clip-path:polygon(50%50%,0 0,100%0,100%100%,0 100%,0 0)}}.result-container{background-color:var(--card-bg);border-radius:12px;padding:2rem;box-shadow:var(--card-shadow);transition:var(--transition);opacity:0;transform:translateY(20px)}.result-container.show{opacity:1;transform:translateY(0)}.history-card{border:none;border-radius:12px;overflow:hidden;transition:var(--transition);height:100%;background-color:var(--card-bg)}.history-card:hover{transform:translateY(-5px);box-shadow:var(--card-shadow)}.history-card.badge-container{min-height:32px;display:flex;align-items:center}[data-theme="dark"].text-muted{color:var(--text-muted)!important}.search-box{position:relative;margin-bottom:2rem}.search-box.form-control{padding-left:3rem}.search-box i{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted)}.pagination.page-link{border:none;color:var(--text-color);margin:0 3px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:8px;font-weight:500;background-color:var(--card-bg)}.pagination.page-item.active.page-link{background-color:var(--primary);color:white}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}
to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp 0.5s ease forwards}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--card-bg)}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}[data-theme="dark"]::-webkit-scrollbar-track{background:#1e1e2d}[data-theme="dark"]::-webkit-scrollbar-thumb{background:#4d4d65}[data-theme="dark"]::-webkit-scrollbar-thumb:hover{background:#5d5d75}
footer{background-color:var(--footer-bg)!important;color:var(--footer-text);padding:3rem 0 1.5rem;margin-top:5rem}
footer h5{color:var(--footer-text);font-weight:600;margin-bottom:1.25rem}
footer.text-muted{color:var(--footer-link)!important}
footer a.text-muted{transition:var(--transition);display:inline-block;margin-bottom:0.5rem}
footer a.text-muted:hover{color:var(--footer-text)!important;transform:translateX(3px);text-decoration:none}
footer.social-links a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background-color:rgba(255,255,255,0.1);color:var(--footer-text);margin-right:0.5rem;transition:var(--transition)}
footer.social-links a:hover{background-color:var(--primary);transform:translateY(-3px)}
footer hr{border-color:rgba(255,255,255,0.1);margin:2rem 0 1.5rem}.developer-credits{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-weight:600;letter-spacing:0.5px}.content-disclaimer{font-size:0.85rem;padding:8px 16px;background-color:rgba(0,0,0,0.05);border-radius:8px;margin-top:1rem}[data-theme="dark"].content-disclaimer{background-color:rgba(255,255,255,0.05)}
@media(max-width:768px){.hero{padding:5rem 1rem 3rem}.hero-title{font-size:2rem}
footer{text-align:center}
footer.text-md-start{text-align:center!important}
footer.social-links{justify-content:center;margin-bottom:1.5rem}}