:root{--bg-primary:#0a0e17;--bg-secondary:#141b2d;--bg-card:rgba(20,27,45,0.7);--text-primary:#ffffff;--text-secondary:#94a3b8;--accent-gold:#fbbf24;--accent-blue:#3b82f6;--accent-blue-hover:#2563eb;--accent-green:#10b981;--accent-green-hover:#059669;--border-color:rgba(255,255,255,0.1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;min-height:100vh;background-image:radial-gradient(circle at 15% 50%,rgba(59,130,246,.08),transparent 25%),radial-gradient(circle at 85% 30%,rgba(251,191,36,.05),transparent 25%)}.container{max-width:1400px;margin:0 auto;padding:2rem}.dashboard-grid{display:grid;grid-template-columns:1fr;grid-gap:2rem;align-items:start}@media (min-width:1024px){.dashboard-grid{grid-template-columns:1fr 1fr}.video-master-section{position:-webkit-sticky;position:sticky;top:2rem}}.header{text-align:center;margin-bottom:3rem;animation:fadeInDown .8s ease-out forwards}.header h1{font-size:3rem;font-weight:800;letter-spacing:-.05em;background:linear-gradient(135deg,#ffffff 0,var(--accent-gold) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.subtitle{color:var(--text-secondary);font-size:1.2rem;font-weight:300;letter-spacing:.1em;text-transform:uppercase}.main-content{display:flex;justify-content:center;align-items:center;min-height:60vh}.uploader-box{width:100%;max-width:600px;background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:24px;padding:3rem 2rem;text-align:center;transition:all .3s ease;box-shadow:0 20px 40px rgba(0,0,0,.4);animation:scaleIn .6s ease-out forwards}.uploader-box:hover{transform:translateY(-5px);box-shadow:0 30px 60px rgba(0,0,0,.5);border-color:rgba(251,191,36,.3)}.icon{font-size:4rem;margin-bottom:1rem;animation:float 3s ease-in-out infinite}.uploader-box h2{font-size:1.8rem;margin-bottom:.5rem;color:#fff}.uploader-box p{color:var(--text-secondary);margin-bottom:2rem}.file-input{display:none}.btn{display:inline-block;padding:.8rem 2rem;border-radius:50px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease;border:none;outline:none}.btn-primary{background-color:var(--accent-blue);color:white;box-shadow:0 4px 15px rgba(59,130,246,.4)}.btn-primary:hover{background-color:var(--accent-blue-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(59,130,246,.6)}.btn-success{background-color:var(--accent-green);color:white;margin-top:1rem;box-shadow:0 4px 15px rgba(16,185,129,.4);animation:pulse 2s infinite}.btn-success:hover{background-color:var(--accent-green-hover)}.file-info{margin-top:2rem;padding-top:2rem;border-top:1px dashed var(--border-color)}.file-info,.loading-state{animation:fadeIn .4s ease-out forwards}.loading-state{text-align:center}.spinner{width:60px;height:60px;border:4px solid rgba(255,255,255,.1);border-top:4px solid var(--accent-gold);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 2rem}.loading-state h2{font-size:2rem;margin-bottom:.5rem}.loading-state p{color:var(--text-secondary)}.feedback-container{width:100%;background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:24px;padding:3rem;animation:slideUp .6s ease-out forwards}.feedback-container h2{color:var(--accent-gold);margin-bottom:1.5rem;font-size:2rem;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.dashboard-grid{display:flex;flex-direction:column;gap:2rem;width:100%;max-width:1000px;margin:0 auto}@media (max-width:1024px){.dashboard-grid{grid-template-columns:1fr}}.tabs-nav{display:flex;gap:.5rem;margin-bottom:2rem;overflow-x:auto;padding-bottom:.5rem;border-bottom:2px solid #333;width:100%}.tabs-nav::-webkit-scrollbar{height:4px}.tabs-nav::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}.tab-btn{background:transparent;color:var(--text-secondary);border:none;padding:.8rem 1.2rem;font-size:1rem;font-weight:600;cursor:pointer;border-radius:8px 8px 0 0;transition:all .2s ease;white-space:nowrap}.tab-btn:hover{color:var(--text-primary);background:rgba(255,255,255,.05)}.tab-btn.active{color:var(--accent-gold);background:rgba(251,191,36,.1);box-shadow:inset 0 -2px 0 var(--accent-gold)}@keyframes spin{to{transform:rotate(1turn)}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.7)}70%{box-shadow:0 0 0 15px rgba(16,185,129,0)}to{box-shadow:0 0 0 0 rgba(16,185,129,0)}}