:root{--bg:#f3f6f9;--surface:#ffffffd9;--border:#d2d6dccc;--accent:#a5bbf5;--accent-light:#eef3ff;--accent2:#f2c779;--muted:#64748b;--text:#0f172a;--danger:#ef4444;--success:#10b981;--mono:"Space Mono", monospace;--sans:"DM Sans", sans-serif;--container-max:720px;--card-padding:36px;--base-font:15px;--small-font:13px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:var(--base-font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}img,video{max-width:100%;height:auto;display:block}.glass-effect{background:var(--surface);border:1px solid var(--border);-webkit-backdrop-filter:blur(12px);border-radius:14px;box-shadow:0 4px 24px #0000000a,inset 0 1px #fff}.glass-effect-sidebar{border-right:1px solid var(--border);-webkit-backdrop-filter:blur(12px);background:#ffffff73}.glow-on-hover:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 8px 24px #a5bbf54d,inset 0 1px #fffc}.glow-on-hover-alt:hover{transform:translateY(-1px);box-shadow:0 8px 24px #f2c77933,inset 0 1px #fffc}.dashboard-layout{width:100vw;height:100vh;display:flex}.sidebar{z-index:10;flex-direction:column;flex-shrink:0;width:260px;padding:24px;display:flex;overflow:hidden auto}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-track{background:0 0}.sidebar::-webkit-scrollbar-thumb{background:#64748b33;border-radius:4px}.sidebar::-webkit-scrollbar-thumb:hover{background:#64748b80}.sidebar-header{align-items:center;gap:12px;margin-bottom:40px;display:flex}.sidebar-header .logo-mark{width:38px;height:38px;color:var(--accent2);background:linear-gradient(135deg,#fff,#f0f3f7);border:1px solid #d2d6dce6;border-radius:8px;place-items:center;display:grid;box-shadow:0 4px 12px #00000008}.sidebar-header h1{font-family:var(--mono);color:var(--text);font-size:1.2rem;font-weight:700}.sidebar-header h1 span{color:var(--accent2)}.sidebar-nav{flex-direction:column;flex-grow:1;gap:8px;display:flex}.nav-btn{font-family:var(--mono);color:var(--muted);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:12px 16px;font-size:.85rem;font-weight:700;transition:all .2s;display:flex}.nav-btn:hover{color:var(--text);background:#fff9}.nav-btn.active{color:var(--text);border:1px solid var(--border);background:#fff;box-shadow:0 4px 12px #00000008}.sidebar-footer{margin-top:auto}.badge{font-family:var(--mono);color:var(--text);border:1px solid var(--border);letter-spacing:.1em;text-transform:uppercase;background:#fff;border-radius:6px;padding:6px 12px;font-size:.65rem;font-weight:700;display:inline-block}.main-content{flex-grow:1;padding:40px;position:relative;overflow-y:auto}.page-view{max-width:var(--container-max);margin:0 auto;animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeUp;display:none}.page-view.active{display:block}.page-header{margin-bottom:32px}.page-header h2{font-family:var(--mono);color:var(--text);margin-bottom:6px;font-size:1.8rem}.page-header p{font-family:var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem}.dashboard-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;display:grid}.dash-card{cursor:pointer;text-align:left;border-radius:12px;padding:28px;transition:all .2s;position:relative}.dash-card.disabled{cursor:not-allowed;opacity:.6}.dash-icon{color:var(--accent2);border:1px solid var(--border);background:#fff;border-radius:10px;place-items:center;width:48px;height:48px;margin-bottom:16px;font-size:1.5rem;display:grid;box-shadow:0 4px 12px #00000008}.dash-card h3{font-family:var(--mono);color:var(--text);margin-bottom:8px;font-size:1.1rem}.dash-card p{color:var(--muted);font-size:.85rem;line-height:1.5}.dash-arrow{font-family:var(--mono);color:var(--accent2);opacity:0;font-weight:700;transition:all .3s;position:absolute;bottom:28px;right:28px;transform:translate(-10px)}.dash-card:not(.disabled):hover .dash-arrow{opacity:1;transform:translate(0)}.card{padding:var(--card-padding);width:100%;margin-bottom:24px;position:relative}.drop-zone{text-align:center;cursor:pointer;background:#fff6;border:2px dashed #c8cdd4cc;border-radius:10px;padding:48px 20px;transition:all .2s;position:relative}.drop-zone:hover,.drop-zone.dragging{border-color:var(--accent);background:var(--accent-light)}.drop-zone input[type=file]{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.drop-icon{color:var(--accent);justify-content:center;margin:0 auto 16px;transition:transform .2s;display:flex}.drop-zone:hover .drop-icon{transform:translateY(-4px)}.drop-zone h2{font-family:var(--mono);color:var(--text);margin-bottom:6px;font-size:1rem;font-weight:700}.drop-zone p{color:var(--muted);font-size:.85rem}.file-chip{border:1px solid var(--border);font-family:var(--mono);font-size:var(--small-font);color:var(--text);text-align:left;background:#fff;border-radius:8px;align-items:center;gap:12px;margin-top:20px;padding:10px 16px;display:none}.file-chip.show{display:flex}.file-chip .size-tag{color:var(--muted);margin-left:auto;font-weight:700}.options-row{grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;display:grid}.field{flex-direction:column;gap:8px;display:flex}.field label{font-family:var(--mono);color:var(--muted);letter-spacing:.1em;text-transform:uppercase;font-size:.7rem;font-weight:700}.field select{border:1px solid var(--border);color:var(--text);font-family:var(--mono);font-size:var(--base-font);appearance:none;cursor:pointer;background:#fff;border-radius:8px;outline:none;width:100%;padding:12px 16px;transition:all .2s;box-shadow:0 2px 4px #00000005}.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.select-wrap{position:relative}.select-wrap:after{content:"▾";color:var(--muted);pointer-events:none;font-weight:700;position:absolute;top:50%;right:16px;transform:translateY(-50%)}.format-hints{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.fmt-chip{font-family:var(--mono);color:var(--muted);border:1px solid var(--border);letter-spacing:.06em;text-transform:uppercase;background:#fff;border-radius:6px;padding:6px 12px;font-size:.65rem;font-weight:700;transition:all .2s}.fmt-chip.active{color:var(--text);border-color:var(--accent);background:var(--accent-light)}.warn-banner{color:var(--danger);font-size:.8rem;font-family:var(--mono);background:#fef2f2;border:1px solid #fecaca;border-radius:8px;align-items:center;margin-top:20px;padding:14px 16px;display:none}.warn-banner.show{display:flex}.convert-btn{color:#fff;width:100%;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;background:#1e293b;border:none;border-radius:10px;margin-top:32px;padding:18px;font-size:.95rem;font-weight:700;transition:all .2s;position:relative;overflow:hidden;box-shadow:0 4px 12px #0f172a33}.convert-btn:disabled{opacity:.5;cursor:not-allowed;background:var(--muted);box-shadow:none}.convert-btn:not(:disabled):active{transform:scale(.99)}.convert-btn .btn-shimmer{background:linear-gradient(90deg,#0000 0%,#ffffff26 50%,#0000 100%);animation:2.5s infinite shimmer;position:absolute;inset:0;transform:translate(-100%)}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(200%)}}.progress-wrap{margin-top:24px;display:none}.progress-wrap.show{display:block}.progress-label{font-family:var(--mono);color:var(--muted);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;margin-bottom:8px;font-size:.7rem;font-weight:700;display:flex}.progress-label .pct{color:var(--text)}progress{appearance:none;background:#e2e8f0;border:none;border-radius:4px;width:100%;height:8px;display:block;overflow:hidden}progress::-webkit-progress-bar{background:0 0}progress::-webkit-progress-value{background:var(--text);border-radius:4px;transition:width .2s}.status-line{font-family:var(--mono);font-size:var(--small-font);color:var(--muted);min-height:1.4em;margin-top:16px}.status-line.active{color:var(--text);font-weight:700}.status-line.done{color:var(--success);font-weight:700}.status-line.error{color:var(--danger);font-weight:700}.output-card{padding:var(--card-padding);width:100%;margin-bottom:24px;display:none}.output-card.show{display:block}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.output-card h3{font-family:var(--mono);color:var(--text);letter-spacing:.1em;text-transform:uppercase;margin-bottom:20px;font-size:.8rem;font-weight:700}#output-video,#output-image{object-fit:contain;background:#000;border-radius:8px;width:100%;max-height:400px;display:none}.download-btn{border:1px solid var(--border);width:100%;color:var(--text);font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;text-align:center;background:#fff;border-radius:8px;margin-top:24px;padding:16px;font-size:.9rem;font-weight:700;text-decoration:none;transition:all .2s;display:block;box-shadow:0 2px 8px #00000008}.download-btn:hover{border-color:var(--accent2);background:var(--accent-light)}.footer-note{font-family:var(--mono);color:var(--muted);text-align:center;margin-top:10px;font-size:.75rem;line-height:1.6}@media (width<=800px){.dashboard-layout{flex-direction:column;overflow-y:auto}body{overflow-y:auto}.sidebar{border-right:none;border-bottom:1px solid var(--border);flex-direction:row;align-items:center;width:100%;padding:16px}.sidebar-header{margin-bottom:0}.sidebar-header h1{display:none}.sidebar-nav{flex-direction:row;margin-left:auto}.nav-btn{padding:8px 12px}.sidebar-footer{display:none}.main-content{padding:24px 16px;overflow-y:visible}.options-row{grid-template-columns:1fr;gap:16px}.card,.output-card{padding:24px}}.floating-donate-btn{color:#111;z-index:9999;background:linear-gradient(145deg,#fc0,#fa0);border-radius:50px;align-items:center;gap:10px;padding:12px 22px;font-family:DM Sans,sans-serif;font-size:.95rem;font-weight:700;text-decoration:none;transition:all .3s;display:flex;position:fixed;bottom:30px;right:30px;box-shadow:0 4px 15px #ffcc004d}.floating-donate-btn:hover{color:#000;transform:translateY(-3px)scale(1.03);box-shadow:0 6px 20px #ffcc0080}.floating-donate-btn .icon{font-size:1.3rem}@media (width<=768px){.floating-donate-btn{border-radius:50%;padding:14px;bottom:20px;right:20px}.floating-donate-btn .text{display:none}.floating-donate-btn .icon{margin:0;font-size:1.5rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}