:root{--primary:#e5322d;--primary-hover:#d22621;--primary-light:#fff1f0;--primary-shadow:#e5322d47;--primary-gradient:linear-gradient(135deg, #e5322d 0%, #ff524d 100%);--dark-bg:#15191e;--dark-surface:#1e242b;--dark-text:#0f172a;--text-main:#1f2937;--text-muted:#6b7280;--text-sub:#4b5563;--text-light:#9ca3af;--bg-page:#f8fafc;--bg-card:#fff;--bg-subtle:#f1f5f9;--bg-accent:#f8fafc;--border-light:#e2e8f0;--border-focus:#cbd5e1;--border-active:#e5322d;--success:#10b981;--success-bg:#ecfdf5;--success-text:#065f46;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -2px #0000000a;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000000a;--shadow-button:0 8px 20px -4px #e5322d59;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--transition-spring:.4s cubic-bezier(.175, .885, .32, 1.275)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{color:var(--text-main);background-color:var(--bg-page);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{flex-direction:column;min-height:100vh;display:flex}h1,h2,h3,h4,h5,.brand-name{letter-spacing:-.02em;font-family:Outfit,sans-serif}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.app-layout{flex-direction:column;min-height:100vh;display:flex}.app-header{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);background:#ffffffeb;height:64px;position:sticky;top:0}.nav-container{justify-content:space-between;align-items:center;max-width:1280px;height:100%;margin:0 auto;padding:0 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#e5322d33;align-items:center;gap:6px;padding:6px 12px;font-size:.825rem;font-weight:600;display:inline-flex}.btn-ghost-sm:hover{background:#ffe3e1;transform:translateY(-1px)}.privacy-badge{color:#047857;border-radius:var(--radius-full);cursor:help;background:#ecfdf5;border:1px solid #a7f3d0;align-items:center;gap:6px;padding:5px 12px;font-size:.8rem;font-weight:600;display:inline-flex;position:relative}.tooltip-wrap:hover .tooltip-popup{opacity:1;visibility:visible;transform:translateY(0)}.tooltip-popup{color:#f8fafc;border-radius:var(--radius-md);width:250px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all var(--transition-fast);z-index:50;pointer-events:none;background:#1e293b;padding:10px 14px;font-size:.775rem;font-weight:400;line-height:1.4;position:absolute;top:calc(100% + 8px);right:0;transform:translateY(-4px)}.mobile-menu-btn{border-radius:var(--radius-md);background:var(--bg-subtle);border:1px solid var(--border-light);width:40px;height:40px;color:var(--dark-text);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;display:none}.mobile-menu-btn:hover{background:#e2e8f0}.mobile-menu-btn i{width:22px;height:22px}.mobile-nav-drawer{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:999;opacity:0;visibility:hidden;background:#0f172a99;transition:all .25s;position:fixed;inset:64px 0 0}.mobile-nav-drawer.open{opacity:1;visibility:visible}.mobile-nav-content{border-bottom:1px solid var(--border-light);max-height:calc(100vh - 64px);box-shadow:var(--shadow-xl);background:#fff;padding:20px 20px 28px;transition:transform .25s cubic-bezier(.16,1,.3,1);overflow-y:auto;transform:translateY(-16px)}.mobile-nav-drawer.open .mobile-nav-content{transform:translateY(0)}.mobile-nav-menu{flex-direction:column;gap:8px;list-style:none;display:flex}.mobile-nav-item{border-radius:var(--radius-md);color:var(--dark-text);transition:all var(--transition-fast);align-items:center;gap:12px;padding:13px 16px;font-size:1rem;font-weight:600;display:flex}.mobile-nav-item i{color:var(--text-muted);width:20px;height:20px;transition:color var(--transition-fast)}.mobile-nav-item:hover,.mobile-nav-item.active{background:var(--primary-light);color:var(--primary)}.mobile-nav-item:hover i,.mobile-nav-item.active i{color:var(--primary)}.mobile-nav-footer{border-top:1px solid var(--border-light);flex-direction:column;gap:12px;margin-top:20px;padding-top:18px;display:flex}.btn-mobile-demo{background:var(--primary-light);width:100%;color:var(--primary);border-radius:var(--radius-md);transition:all var(--transition-fast);border:1px solid #e5322d33;justify-content:center;align-items:center;gap:8px;padding:13px;font-size:.95rem;font-weight:600;display:flex}.btn-mobile-demo:hover{background:#fecdd3}.mobile-privacy-pill{color:#047857;border-radius:var(--radius-md);background:#ecfdf5;border:1px solid #a7f3d0;justify-content:center;align-items:center;gap:8px;padding:11px;font-size:.85rem;font-weight:600;display:flex}.main-content{flex:1;padding-bottom:60px}.tool-view{max-width:1280px;margin:0 auto;padding:40px 24px;animation:.3s fadeIn;display:none}.tool-view.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.hero-header{text-align:center;max-width:760px;margin:0 auto 36px}.hero-badge{border:1px solid var(--border-light);border-radius:var(--radius-full);color:var(--text-sub);box-shadow:var(--shadow-sm);background:#fff;align-items:center;gap:6px;margin-bottom:16px;padding:6px 14px;font-size:.8rem;font-weight:600;display:inline-flex}.hero-badge i{color:#f59e0b}.hero-title{color:var(--dark-text);margin-bottom:12px;font-size:2.85rem;font-weight:800;line-height:1.15}.hero-subtitle{color:var(--text-muted);font-size:1.25rem;font-weight:400;line-height:1.5}.uploader-box{background:var(--bg-card);border-radius:var(--radius-xl);text-align:center;max-width:820px;box-shadow:var(--shadow-md);transition:all var(--transition-normal);border:2px dashed #cbd5e1;margin:0 auto;padding:56px 36px 40px;position:relative}.uploader-box.drag-over{border-color:var(--primary);background:var(--primary-light);transform:scale(1.01);box-shadow:0 0 0 6px #e5322d1f}.uploader-action-center{flex-direction:column;align-items:center;gap:20px;margin-bottom:24px;display:flex}.btn-uploader{background:var(--primary-gradient);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-button);transition:all var(--transition-normal);align-items:center;gap:14px;padding:18px 42px;font-size:1.35rem;font-weight:700;display:inline-flex}.btn-uploader:hover{transform:translateY(-2px);box-shadow:0 12px 28px -4px #e5322d73}.btn-uploader:active{transform:translateY(1px)}.btn-uploader-icon{background:#ffffff40;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.uploader-extra-options{align-items:center;gap:12px;display:flex}.extra-btn{color:var(--text-sub);background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-full);transition:all var(--transition-fast);align-items:center;gap:8px;padding:8px 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var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);padding:28px}.workspace-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;display:flex}.workspace-header-title{align-items:center;gap:10px;display:flex}.workspace-header-title h3{color:var(--dark-text);font-size:1.25rem}.counter-badge{color:var(--primary);background:var(--primary-light);border-radius:var(--radius-full);padding:3px 10px;font-size:.775rem;font-weight:600}.workspace-actions{align-items:center;gap:12px;display:flex}.btn-secondary-sm{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-main);transition:all var(--transition-fast);align-items:center;gap:6px;padding:8px 14px;font-size:.825rem;font-weight:600;display:inline-flex}.btn-secondary-sm:hover{background:#e2e8f0}.btn-text-sm{color:#ef4444;border-radius:var(--radius-sm);transition:background 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var(--transition-fast);background:#fff;gap:14px;padding:16px;display:flex}.level-card:hover{background:#f8fafc;border-color:#cbd5e1}.level-card.active{border-color:var(--primary);background:var(--primary-light)}.level-card-radio{padding-top:2px}.radio-dot{width:18px;height:18px;transition:all var(--transition-fast);border:2px solid #cbd5e1;border-radius:50%;display:block;position:relative}.level-card.active .radio-dot{border-color:var(--primary)}.level-card.active .radio-dot:after{content:"";background:var(--primary);border-radius:50%;width:8px;height:8px;position:absolute;top:3px;left:3px}.level-card-info{flex-direction:column;gap:3px;display:flex}.level-title-row{align-items:center;gap:8px;display:flex}.level-name{color:var(--dark-text);font-size:.95rem;font-weight:700}.recommended-tag{text-transform:uppercase;color:#fff;background:var(--primary);border-radius:var(--radius-full);padding:2px 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24px;font-size:1.25rem;font-weight:700;display:flex}.btn-compress-action:hover{transform:translateY(-2px);box-shadow:0 12px 26px -4px #e5322d73}.btn-compress-action:active{transform:translateY(1px)}.action-subtext{text-align:center;color:var(--text-muted);margin-top:8px;font-size:.775rem}.processing-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);text-align:center;max-width:620px;box-shadow:var(--shadow-lg);margin:60px auto;padding:50px 36px}.processing-visual{justify-content:center;align-items:center;width:96px;height:96px;margin:0 auto 28px;display:flex;position:relative}.pulse-ring{border:3px solid var(--primary);opacity:.6;border-radius:50%;width:100%;height:100%;animation:2s cubic-bezier(.215,.61,.355,1) infinite pulseAnimation;position:absolute}@keyframes 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.2s}.progress-metrics{justify-content:space-between;align-items:center;font-size:.85rem;font-weight:600;display:flex}.progress-status{color:var(--text-sub)}.progress-percent{color:var(--primary);font-family:monospace;font-size:1rem}.processing-tip{color:var(--text-muted);border-radius:var(--radius-full);background:#f8fafc;align-items:center;gap:8px;padding:8px 16px;font-size:.775rem;display:inline-flex}.results-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);text-align:center;max-width:720px;box-shadow:var(--shadow-xl);margin:40px auto;padding:48px 36px}.results-badge-celebration{flex-direction:column;align-items:center;margin-bottom:32px;display:flex}.check-circle{width:68px;height:68px;color:var(--success);background:#ecfdf5;border-radius:50%;justify-content:center;align-items:center;margin-bottom:16px;display:flex;box-shadow:0 4px 16px #10b98133}.check-circle i{width:36px;height:36px}.results-title{color:var(--dark-text);margin-bottom:6px;font-size:2.15rem;font-weight:800}.results-subtitle{color:var(--text-muted);font-size:1rem}.savings-banner{border:1px solid var(--border-light);border-radius:var(--radius-lg);background:linear-gradient(#f8fafc 0%,#f1f5f9 100%);margin-bottom:36px;padding:24px}.savings-main-stat{justify-content:center;align-items:baseline;gap:10px;margin-bottom:16px;display:flex}.savings-lead{color:var(--text-sub);font-size:1.15rem;font-weight:500}.savings-highlight{color:var(--primary);font-family:Outfit,sans-serif;font-size:2.4rem;font-weight:800}.size-comparison-row{justify-content:center;align-items:center;gap:20px;margin-bottom:20px;display:flex}.size-item{flex-direction:column;gap:2px;display:flex}.size-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:.75rem;font-weight:600}.size-val{font-size:1.25rem;font-weight:700}.old-size .size-val{color:#94a3b8;text-decoration:line-through}.new-size .size-val{color:#10b981}.size-arrow i{color:#64748b;width:22px;height:22px}.savings-bar-visual{max-width:480px;margin:0 auto}.bar-legend{text-align:right;color:#059669;margin-bottom:6px;font-size:.775rem;font-weight:600}.bar-track{border-radius:var(--radius-full);background:#e2e8f0;height:10px;display:flex;overflow:hidden}.bar-fill-compressed{background:#10b981}.bar-fill-saved{opacity:.4;background:#34d399}.results-actions-group{flex-direction:column;align-items:center;gap:16px;display:flex}.btn-download-primary{background:var(--primary-gradient);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-button);transition:all var(--transition-normal);justify-content:center;align-items:center;gap:12px;min-width:320px;padding:18px 48px;font-size:1.35rem;font-weight:700;display:inline-flex}.btn-download-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px -4px #e5322d73}.btn-download-primary:active{transform:translateY(1px)}.results-secondary-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.btn-secondary-action{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-main);transition:all var(--transition-fast);align-items:center;gap:8px;padding:10px 18px;font-size:.875rem;font-weight:600;display:inline-flex}.btn-secondary-action:hover{background:#e2e8f0;transform:translateY(-1px)}.modal-backdrop{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;background:#0f172ab3;justify-content:center;align-items:center;padding:24px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal-dialog{border-radius:var(--radius-xl);width:100%;max-width:960px;height:85vh;box-shadow:var(--shadow-xl);background:#fff;flex-direction:column;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid 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8px;font-size:.75rem;font-weight:700;display:inline-block}.platform-os-desc{color:var(--text-muted);margin-bottom:20px;font-size:.875rem;line-height:1.45}.platform-specs-list{flex-direction:column;flex-grow:1;gap:10px;margin:0 0 28px;padding:0;list-style:none;display:flex}.platform-specs-list li{color:var(--text-main);align-items:center;gap:10px;font-size:.875rem;display:flex}.platform-specs-list li i{color:#10b981;flex-shrink:0;width:16px;height:16px}.platform-actions{flex-direction:column;gap:10px;display:flex}.btn-download-platform-primary{background:var(--primary-gradient);color:#fff;border-radius:var(--radius-lg);transition:all var(--transition-normal);box-shadow:var(--shadow-button);align-items:center;gap:14px;padding:14px 18px;font-weight:700;text-decoration:none;display:flex}.btn-download-platform-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px -4px #e5322d66}.btn-download-platform-primary.alt{background:#1e293b;box-shadow:0 4px 14px 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var(--border-light);background:#fbfcfe;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;display:flex}.history-search-wrap{background:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);align-items:center;gap:10px;width:320px;max-width:100%;padding:8px 14px;display:flex}.history-search-wrap i{color:var(--text-muted);width:18px;height:18px}.history-search-wrap input{width:100%;color:var(--text-main);background:0 0;border:none;outline:none;font-family:inherit;font-size:.875rem}.history-card-actions{align-items:center;gap:12px;display:flex}.btn-secondary-sm{background:var(--bg-subtle);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-main);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:8px;padding:8px 14px;font-size:.825rem;font-weight:600;display:inline-flex}.btn-secondary-sm:hover{background:#e2e8f0;transform:translateY(-1px)}.btn-text-sm{color:#ef4444;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;align-items:center;gap:6px;padding:8px 12px;font-size:.825rem;font-weight:600;display:inline-flex}.btn-text-sm:hover{background:#ef444414}.history-table-responsive{width:100%;overflow-x:auto}.history-table{border-collapse:collapse;text-align:left;width:100%}.history-table th{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border-light);background:#f8fafc;padding:14px 20px;font-size:.775rem;font-weight:700}.history-table td{color:var(--text-main);border-bottom:1px solid var(--border-light);vertical-align:middle;padding:16px 20px;font-size:.875rem}.history-table tr:last-child td{border-bottom:none}.history-table tr:hover td{background:#f8fafccc}.hist-file-cell{color:var(--text-main);align-items:center;gap:10px;max-width:280px;font-weight:600;display:flex}.hist-file-cell i{color:var(--primary);flex-shrink:0;width:18px;height:18px}.hist-file-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.hist-compressed-val{color:#0f172a;font-weight:700}.hist-savings-badge{color:#059669;border-radius:var(--radius-full);background:#10b9811f;padding:3px 8px;font-size:.775rem;font-weight:700;display:inline-block}.hist-level-tag{background:var(--bg-subtle);border:1px solid var(--border-light);text-transform:capitalize;color:var(--text-muted);border-radius:4px;padding:2px 8px;font-size:.75rem;font-weight:600;display:inline-block}.hist-date-cell{color:var(--text-muted);white-space:nowrap;font-size:.8rem}.history-empty-state{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:60px 24px;display:flex}.history-empty-state .empty-icon{border-radius:var(--radius-full);background:var(--bg-subtle);width:64px;height:64px;color:var(--text-muted);justify-content:center;align-items:center;margin-bottom:8px;display:flex}.history-empty-state h4{color:var(--text-main);font-size:1.15rem;font-weight:700}.history-empty-state p{color:var(--text-muted);max-width:400px;font-size:.875rem}