:root{--bg-base: #0a0e1a;--bg-surface: #111827;--bg-card: #1a2235;--bg-card-hover: #1e2a40;--bg-input: #0f1623;--accent-primary: #6366f1;--accent-primary-hover: #4f46e5;--accent-secondary: #8b5cf6;--accent-success: #10b981;--accent-success-hover: #059669;--accent-danger: #ef4444;--accent-warning: #f59e0b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border-subtle: rgba(99, 102, 241, .15);--border-card: rgba(255, 255, 255, .06);--gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #0f1a35 50%, #130d2a 100%);--gradient-accent: linear-gradient(135deg, #6366f1, #8b5cf6);--gradient-success: linear-gradient(135deg, #10b981, #059669);--gradient-card: linear-gradient(145deg, #1a2235, #141c2e);--shadow-card: 0 4px 24px rgba(0, 0, 0, .4);--shadow-glow: 0 0 40px rgba(99, 102, 241, .15);--shadow-btn: 0 4px 15px rgba(99, 102, 241, .4);--shadow-btn-success: 0 4px 20px rgba(16, 185, 129, .4);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Cairo,system-ui,-apple-system,sans-serif;background:var(--bg-base);color:var(--text-primary);min-height:100vh;direction:rtl;line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;background:var(--gradient-hero);display:flex;flex-direction:column}.header{padding:1.25rem 1.5rem;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0a0e1acc;position:sticky;top:0;z-index:100}.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none}.logo-icon{width:36px;height:36px;background:var(--gradient-accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem;box-shadow:var(--shadow-btn)}.logo-text{font-size:1.4rem;font-weight:800;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}.hero{flex:1;display:flex;flex-direction:column;align-items:center;padding:3rem 1.5rem 2rem;max-width:800px;margin:0 auto;width:100%}.hero-title{font-size:clamp(1.8rem,5vw,2.8rem);font-weight:800;text-align:center;line-height:1.3;margin-bottom:.75rem;background:linear-gradient(135deg,#f1f5f9,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1rem;color:var(--text-secondary);text-align:center;margin-bottom:2.5rem;max-width:480px}.url-form{width:100%;display:flex;flex-direction:column;gap:.75rem}.url-input-wrapper{display:flex;gap:.75rem;background:var(--bg-card);border:1.5px solid var(--border-subtle);border-radius:var(--radius-xl);padding:.5rem .5rem .5rem 1.25rem;transition:border-color var(--transition),box-shadow var(--transition);box-shadow:var(--shadow-card)}.url-input-wrapper:focus-within{border-color:var(--accent-primary);box-shadow:var(--shadow-glow)}.url-input{flex:1;background:transparent;border:none;outline:none;font-size:1rem;font-family:inherit;color:var(--text-primary);direction:ltr;text-align:left;min-width:0}.url-input::placeholder{color:var(--text-muted);direction:rtl;text-align:right}.btn-download-main{background:var(--gradient-accent);color:#fff;border:none;border-radius:var(--radius-full);padding:.75rem 1.75rem;font-size:1rem;font-weight:700;font-family:inherit;cursor:pointer;white-space:nowrap;transition:opacity var(--transition),transform var(--transition),box-shadow var(--transition);box-shadow:var(--shadow-btn);display:flex;align-items:center;gap:.5rem}.btn-download-main:hover:not(:disabled){opacity:.9;transform:translateY(-1px);box-shadow:0 6px 20px #6366f180}.btn-download-main:active:not(:disabled){transform:translateY(0)}.btn-download-main:disabled{opacity:.6;cursor:not-allowed}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:20px;height:20px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}.spinner-lg{width:40px;height:40px;border-width:3px;border-color:#6366f133;border-top-color:var(--accent-primary)}.loading-state{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:3rem 1rem;color:var(--text-secondary);font-size:.95rem}.error-banner{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-md);padding:.875rem 1.25rem;color:#fca5a5;font-size:.9rem;display:flex;align-items:flex-start;gap:.6rem;line-height:1.5}.error-icon{font-size:1.1rem;flex-shrink:0;margin-top:.05rem}.media-card{width:100%;background:var(--gradient-card);border:1px solid var(--border-card);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-card);margin-top:1.5rem;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.media-card-header{display:flex;gap:1.25rem;padding:1.25rem;border-bottom:1px solid var(--border-card)}.thumbnail-wrapper{flex-shrink:0;width:120px;height:80px;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-input);position:relative}.thumbnail-wrapper img{width:100%;height:100%;object-fit:cover}.thumbnail-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:2rem;color:var(--text-muted)}.media-meta{flex:1;min-width:0;display:flex;flex-direction:column;gap:.35rem}.media-title{font-size:1rem;font-weight:700;color:var(--text-primary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.media-badges{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.25rem}.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .6rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;background:#6366f11f;color:#a5b4fc;border:1px solid rgba(99,102,241,.2)}.badge-duration{background:#8b5cf61f;color:#c4b5fd;border-color:#8b5cf633}.format-section{padding:1.25rem}.format-section-title{font-size:.8rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:.75rem}.format-tabs{display:flex;gap:.5rem;margin-bottom:1rem;border-bottom:1px solid var(--border-card);padding-bottom:.75rem}.format-tab{background:transparent;border:1px solid var(--border-card);border-radius:var(--radius-full);padding:.35rem 1rem;font-size:.85rem;font-weight:600;font-family:inherit;color:var(--text-secondary);cursor:pointer;transition:all var(--transition)}.format-tab:hover{border-color:var(--accent-primary);color:var(--text-primary)}.format-tab.active{background:var(--gradient-accent);border-color:transparent;color:#fff;box-shadow:var(--shadow-btn)}.quality-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:.6rem}.quality-btn{background:var(--bg-input);border:1.5px solid var(--border-card);border-radius:var(--radius-md);padding:.75rem .5rem;cursor:pointer;transition:all var(--transition);display:flex;flex-direction:column;align-items:center;gap:.25rem;font-family:inherit}.quality-btn:hover{border-color:var(--accent-primary);background:#6366f114;transform:translateY(-1px)}.quality-btn.selected{border-color:var(--accent-primary);background:#6366f126;box-shadow:0 0 0 1px var(--accent-primary)}.quality-label{font-size:.95rem;font-weight:700;color:var(--text-primary)}.quality-meta{font-size:.72rem;color:var(--text-muted)}.quality-size{font-size:.72rem;color:var(--accent-secondary);font-weight:600}.action-bar{padding:1rem 1.25rem 1.25rem;border-top:1px solid var(--border-card);display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.selected-info{font-size:.85rem;color:var(--text-secondary)}.selected-info strong{color:var(--text-primary)}.btn-start-job{background:var(--gradient-accent);color:#fff;border:none;border-radius:var(--radius-full);padding:.75rem 2rem;font-size:1rem;font-weight:700;font-family:inherit;cursor:pointer;transition:all var(--transition);box-shadow:var(--shadow-btn);display:flex;align-items:center;gap:.5rem}.btn-start-job:hover:not(:disabled){opacity:.9;transform:translateY(-1px);box-shadow:0 6px 20px #6366f180}.btn-start-job:disabled{opacity:.5;cursor:not-allowed}.job-progress-card{width:100%;background:var(--gradient-card);border:1px solid var(--border-card);border-radius:var(--radius-xl);padding:2rem 1.5rem;margin-top:1.5rem;display:flex;flex-direction:column;align-items:center;gap:1.25rem;animation:slideUp .3s ease;box-shadow:var(--shadow-card)}.job-status-icon{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.75rem}.job-status-icon.processing{background:#6366f11a;border:2px solid rgba(99,102,241,.3)}.job-status-icon.completed{background:#10b9811a;border:2px solid rgba(16,185,129,.3)}.job-status-icon.failed{background:#ef44441a;border:2px solid rgba(239,68,68,.3)}.job-status-text{text-align:center}.job-status-text h3{font-size:1.1rem;font-weight:700;margin-bottom:.25rem}.job-status-text p{font-size:.875rem;color:var(--text-secondary)}.progress-bar-wrapper{width:100%;max-width:400px}.progress-bar-track{height:6px;background:#ffffff14;border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;background:var(--gradient-accent);border-radius:var(--radius-full);transition:width .5s ease}@keyframes indeterminate{0%{transform:translate(-100%)}to{transform:translate(400%)}}.progress-bar-fill.indeterminate{width:30%!important;animation:indeterminate 1.5s ease-in-out infinite}.progress-label{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);margin-top:.4rem}.btn-download-file{background:var(--gradient-success);color:#fff;border:none;border-radius:var(--radius-full);padding:1rem 2.5rem;font-size:1.1rem;font-weight:800;font-family:inherit;cursor:pointer;transition:all var(--transition);box-shadow:var(--shadow-btn-success);display:flex;align-items:center;gap:.6rem;text-decoration:none}.btn-download-file:hover{opacity:.9;transform:translateY(-2px);box-shadow:0 8px 25px #10b98180}.btn-download-file:active{transform:translateY(0)}.btn-new-download{background:transparent;border:1px solid var(--border-card);border-radius:var(--radius-full);padding:.6rem 1.5rem;font-size:.875rem;font-weight:600;font-family:inherit;color:var(--text-secondary);cursor:pointer;transition:all var(--transition)}.btn-new-download:hover{border-color:var(--accent-primary);color:var(--text-primary)}.platforms-section{padding:2.5rem 1.5rem 3rem;text-align:center;max-width:800px;margin:0 auto;width:100%}.platforms-title{font-size:.8rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:1.25rem}.platforms-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem}.platform-chip{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-full);font-size:.85rem;font-weight:600;color:var(--text-secondary);transition:all var(--transition)}.platform-chip:hover{border-color:var(--border-subtle);color:var(--text-primary);transform:translateY(-1px)}.platform-icon{font-size:1.1rem}.footer{padding:1.25rem;text-align:center;border-top:1px solid var(--border-card);color:var(--text-muted);font-size:.8rem}@media (max-width: 600px){.hero{padding:2rem 1rem 1.5rem}.url-input-wrapper{flex-direction:column;padding:.75rem;border-radius:var(--radius-lg);gap:.5rem}.url-input{font-size:.95rem;padding:.25rem 0}.btn-download-main{width:100%;justify-content:center;border-radius:var(--radius-md)}.media-card-header{flex-direction:column}.thumbnail-wrapper{width:100%;height:160px}.quality-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.action-bar{flex-direction:column;align-items:stretch}.btn-start-job{justify-content:center}}