:root{--telegram-primary:#0088cc;--telegram-secondary:#24A1DE;--telegram-dark:#17212b;--telegram-light:rgba(0, 136, 204, 0.1);--text-color:#222222;--light-gray:#f4f4f5;--dark-gray:#707579;}body{font-family:'Poppins', sans-serif;color:var(--text-color);line-height:1.6;background-color:#f4f4f5;}.navbar{background-color:#fff;box-shadow:0 1px 3px rgba(0, 0, 0, 0.05);}.navbar-brand{font-weight:600;color:var(--telegram-primary) !important;}.nav-link{font-weight:500;}.nav-link:hover, .nav-link.active{color:var(--telegram-primary) !important;}.hero-section{background:var(--telegram-primary);color:white;padding:4rem 0;}.hero-section h1{font-weight:700;}.hero-features .badge{background-color:rgba(255, 255, 255, 0.1);color:white;padding:0.5rem 1rem;margin:0 0.5rem;font-weight:500;border:1px solid rgba(255, 255, 255, 0.2);}.image-container{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px rgba(0, 0, 0, 0.1);}.drop-zone{border:2px dashed #dfe1e5;border-radius:12px;padding:2rem;min-height:400px;display:flex;align-items:center;justify-content:center;transition:all 0.2s ease;}.drop-zone:hover, .drop-zone.dragover{border-color:var(--telegram-primary);background-color:var(--telegram-light);}.drop-zone-prompt i{font-size:4rem;color:var(--telegram-primary);margin-bottom:1rem;}.preview-image{max-width:100%;max-height:400px;border-radius:12px;}.options-container{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px rgba(0, 0, 0, 0.1);}.option-card{background:#f4f4f5;border-radius:12px;padding:1.25rem;cursor:pointer;border:2px solid transparent;transition:all 0.2s ease;}.option-card:hover{background:#ebedef;}.option-card.active{border-color:var(--telegram-primary);background:var(--telegram-light);}.option-card i{font-size:1.5rem;color:var(--telegram-primary);margin-bottom:0.75rem;}.btn{padding:0.75rem 1.5rem;font-weight:500;border-radius:10px;}.btn-primary{background-color:var(--telegram-primary);border-color:var(--telegram-primary);}.btn-primary:hover{background-color:var(--telegram-secondary);border-color:var(--telegram-secondary);}.btn-outline-primary{color:var(--telegram-primary);border-color:var(--telegram-primary);}.feature-card{background:#fff;border-radius:12px;padding:2rem;height:100%;box-shadow:0 1px 4px rgba(0, 0, 0, 0.05);}.feature-card i{color:var(--telegram-primary);}.footer{background-color:#fff;border-top:1px solid #dfe1e5;}.footer-social a{background-color:var(--telegram-light);color:var(--telegram-primary);}.footer-social a:hover{background-color:var(--telegram-primary);color:white;}