.download-progress-container{position:fixed;bottom:20px;right:20px;width:400px;max-width:calc(100vw - 40px);background:rgba(31,41,55,0.95);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border:1px solid rgba(99,102,241,0.3);border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,0.3),0 0 0 1px rgba(255,255,255,0.05);transform:translateY(calc(100% + 20px));transition:all 0.4s cubic-bezier(0.4, 0, 0.2, 1);z-index:1000;max-height:60vh;overflow:hidden;display:flex;flex-direction:column;color:#f8fafc}.download-progress-container.visible{transform:translateY(0)}.download-progress-container.collapsed .download-progress-list,.download-progress-container.collapsed .download-queue-info{display:none}.download-progress-container:hover{background:rgba(31,41,55,0.98);border-color:rgba(99,102,241,0.5);transform:translateY(-2px);box-shadow:0 12px 40px rgba(0,0,0,0.4),0 0 0 1px rgba(255,255,255,0.1)}.download-progress-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px 12px;border-bottom:1px solid rgba(99,102,241,0.2);background:rgba(99,102,241,0.05);border-radius:12px 12px 0 0}.download-progress-header h6{margin:0;font-weight:600;color:#f8fafc;font-size:16px;text-shadow:0 1px 2px rgba(0,0,0,0.3)}.download-header-actions{display:flex;gap:8px}.download-close,.download-history-btn{padding:6px !important;min-width:auto !important;width:32px;height:32px;border-radius:50%;background:rgba(99,102,241,0.1) !important;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);border:1px solid rgba(99,102,241,0.2) !important;box-shadow:0 2px 8px rgba(0,0,0,0.2);transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);cursor:pointer !important}.download-close:hover,.download-history-btn:hover{background:rgba(99,102,241,0.2) !important;border-color:rgba(99,102,241,0.4) !important;transform:translateY(-1px) scale(1.05);box-shadow:0 4px 12px rgba(99,102,241,0.3)}.download-close i,.download-history-btn i{font-size:16px;color:#f8fafc !important;text-shadow:0 1px 2px rgba(0,0,0,0.3)}.download-history-btn.active{background:rgba(99,102,241,0.25) !important;border-color:rgba(99,102,241,0.5) !important;box-shadow:0 0 15px rgba(99,102,241,0.4)}.download-history-header{padding:12px 20px 8px;border-top:1px solid rgba(99,102,241,0.2);background:rgba(99,102,241,0.02)}.download-history-header h6{margin:0;font-size:14px;color:rgba(248,250,252,0.8);font-weight:500}.download-progress-list{max-height:300px;overflow-y:auto;flex:1}.download-item{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid rgba(99,102,241,0.1);transition:all 0.3s ease;background:rgba(0,0,0,0.1)}.download-item:last-child{border-bottom:none}.download-item:hover{background:rgba(99,102,241,0.08);transform:translateX(4px)}.download-item.completed{background:rgba(76,175,80,0.15);border-left:3px solid #4CAF50}.download-item.error{background:rgba(244,67,54,0.15);border-left:3px solid #f44336}.download-item.history-item{opacity:0.8;background:rgba(0,0,0,0.05)}.download-item.history-item:hover{opacity:1;background:rgba(99,102,241,0.05)}.download-icon{margin-right:12px;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.download-icon i{font-size:20px}.download-info{flex:1;min-width:0;padding-right:8px}.download-title{font-weight:500;color:#f8fafc;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;text-shadow:0 1px 2px rgba(0,0,0,0.2)}.download-type{font-size:12px;color:rgba(248,250,252,0.7);margin-bottom:8px}.progress-bar-container{position:relative;background:rgba(0,0,0,0.3);border-radius:10px;height:8px;margin-bottom:8px;margin-right:45px;overflow:hidden;box-shadow:inset 0 1px 3px rgba(0,0,0,0.3)}.progress-bar{height:100%;background:linear-gradient(90deg, #6366f1, #8b5cf6);border-radius:10px;transition:width 0.3s ease;position:relative;box-shadow:inset 0 1px 2px rgba(255,255,255,0.2);overflow:hidden}.progress-bar::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);animation:shimmer 2.5s infinite;border-radius:10px}@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}.progress-text{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:10px;font-weight:600;color:#f8fafc;text-shadow:0 1px 2px rgba(0,0,0,0.8);z-index:2;white-space:nowrap;pointer-events:none}.download-speed{font-size:11px;color:rgba(248,250,252,0.8);display:flex;justify-content:space-between}.download-error{font-size:12px;color:#ff6b6b;margin-top:4px;text-shadow:0 1px 2px rgba(0,0,0,0.3)}.download-actions{margin-left:8px}.download-actions .btn-flat{cursor:pointer !important;border:none !important;background:rgba(244,67,54,0.1) !important;border-radius:50% !important;padding:4px !important;min-width:auto !important;width:24px !important;height:24px !important;transition:all 0.2s ease}.download-actions .btn-flat:hover{background:rgba(244,67,54,0.2) !important;transform:scale(1.1)}.download-actions .btn-flat i{font-size:16px !important;color:#ff6b6b !important}.download-queue-info{padding:12px 20px;background:rgba(99,102,241,0.05);border-top:1px solid rgba(99,102,241,0.2);display:flex;justify-content:space-between;font-size:12px;color:rgba(248,250,252,0.8);border-radius:0 0 12px 12px}.spinner{display:inline-block;position:relative;width:20px;height:20px}.spinner div{box-sizing:border-box;display:block;position:absolute;width:16px;height:16px;margin:2px;border:2px solid #6366f1;border-radius:50%;animation:spinner 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;border-color:#6366f1 transparent transparent transparent}.spinner div:nth-child(1){animation-delay:-0.45s}.spinner div:nth-child(2){animation-delay:-0.3s}.spinner div:nth-child(3){animation-delay:-0.15s}@keyframes spinner{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.download-history-toggle{position:fixed;bottom:20px;right:20px;width:56px;height:56px;background:rgba(31,41,55,0.95);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border:1px solid rgba(99,102,241,0.3);border-radius:50%;box-shadow:0 4px 20px rgba(0,0,0,0.3),0 0 0 1px rgba(255,255,255,0.05);cursor:pointer !important;transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);z-index:999;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:scale(0.8);user-select:none}.download-history-toggle.show{opacity:1;visibility:visible;transform:scale(1)}.download-history-toggle:hover{background:rgba(31,41,55,0.98);border-color:rgba(99,102,241,0.5);transform:scale(1.05);box-shadow:0 6px 25px rgba(0,0,0,0.4),0 0 0 1px rgba(255,255,255,0.1)}.download-history-toggle i{color:#f8fafc;font-size:24px}.download-history-badge{position:absolute;top:-2px;right:-2px;background:#6366f1;color:white;border-radius:50%;width:20px;height:20px;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(99,102,241,0.4)}@media (max-width: 480px){.download-progress-container{bottom:10px;right:10px;left:10px;width:auto}.download-item{padding:12px 16px}.download-title{font-size:13px}.download-progress-header{padding:12px 16px 8px}}.global-loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;visibility:hidden;transition:opacity 0.3s ease, visibility 0.3s ease}.global-loading-overlay.visible{opacity:1;visibility:visible}.global-loading-content{background:#fff;padding:32px;border-radius:8px;text-align:center;box-shadow:0 16px 64px rgba(0,0,0,0.2);max-width:300px}.global-loading-spinner{width:48px;height:48px;margin:0 auto 16px;border:4px solid #e0e0e0;border-top:4px solid #4CAF50;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.global-loading-text{color:#333;font-size:16px;font-weight:500}.fixed-action-btn{bottom:100px !important}@media (max-width: 480px){.fixed-action-btn{bottom:80px !important}}.fallback-notification{position:fixed;top:20px;right:20px;max-width:400px;background:#fff;border-radius:8px;box-shadow:0 8px 32px rgba(0,0,0,0.15);z-index:10001;transform:translateX(100%);transition:transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);opacity:0}.fallback-notification.visible{transform:translateX(0);opacity:1}.fallback-notification.green{border-left:4px solid #4CAF50}.fallback-notification.red{border-left:4px solid #f44336}.fallback-notification.orange{border-left:4px solid #ff9800}.fallback-notification.blue{border-left:4px solid #2196F3}.notification-content{display:flex;align-items:center;padding:16px}.notification-content i{margin-right:12px;font-size:20px}.notification-content span{flex:1;font-size:14px;color:#333}.notification-close{background:none;border:none;padding:4px;cursor:pointer;border-radius:50%;margin-left:8px;transition:background-color 0.2s ease}.notification-close:hover{background-color:#f0f0f0}.notification-close i{font-size:18px;color:#666;margin:0}[data-theme="dark"] .fallback-notification{background:#2c2c2c;color:#e0e0e0}[data-theme="dark"] .notification-content span{color:#e0e0e0}[data-theme="dark"] .notification-close:hover{background-color:#444}