@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-base:#080810;--bg-surface:#0f0f1a;--bg-elevated:#161625;--bg-hover:#1c1c30;--bg-active:#21213a;--accent:#4f7cff;--accent-dim:#3a5fd4;--accent-glow:#4f7cff2e;--accent-subtle:#4f7cff14;--green:#22c55e;--red:#ef4444;--amber:#f59e0b;--text-primary:#eef;--text-secondary:#a0a0c0;--text-muted:#55556a;--text-on-accent:#fff;--border:#ffffff0d;--border-hover:#ffffff1a;--border-accent:#4f7cff66;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 16px #00000080;--shadow-lg:0 8px 32px #0009;--shadow-glow:0 0 24px var(--accent-glow);--font-mono:"JetBrains Mono", monospace;--font-sans:"Inter", -apple-system, sans-serif;--ease-spring:cubic-bezier(.34, 1.56, .64, 1);--ease-smooth:cubic-bezier(.4, 0, .2, 1);--ease-out:cubic-bezier(0, 0, .2, 1);--sidebar-w:240px;--topbar-h:56px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font-sans);background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-size:14px;line-height:1.5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff2e}h1{letter-spacing:-.02em;font-size:22px;font-weight:600}h2{letter-spacing:-.01em;font-size:18px;font-weight:600}h3{font-size:15px;font-weight:500}.mono{font-family:var(--font-mono);font-size:12px}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.text-accent{color:var(--accent)}.app-layout{grid-template-rows:var(--topbar-h) 1fr;grid-template-columns:var(--sidebar-w) 1fr;grid-template-areas:"topbar topbar""sidebar main";height:100vh;display:grid;overflow:hidden}.topbar{border-bottom:1px solid var(--border);background:var(--bg-surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;grid-area:topbar;align-items:center;gap:12px;padding:0 16px 0 0;display:flex}.sidebar{border-right:1px solid var(--border);background:var(--bg-surface);flex-direction:column;grid-area:sidebar;display:flex;overflow-y:auto}.main-content{background:var(--bg-base);grid-area:main;position:relative;overflow-y:auto}.btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-primary);font-size:13px;font-weight:500;font-family:var(--font-sans);cursor:pointer;transition:background .15s var(--ease-smooth), border-color .15s, transform 80ms;white-space:nowrap;-webkit-user-select:none;user-select:none;align-items:center;gap:6px;padding:7px 14px;display:inline-flex}.btn:hover{background:var(--bg-hover);border-color:var(--border-hover)}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff;border-color:#0000}.btn-primary:hover{background:var(--accent-dim)}.btn-ghost{background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--bg-elevated)}.btn-danger{color:var(--red);border-color:#ef444433}.btn-danger:hover{background:#ef44441a}.btn-icon{border-radius:var(--radius-sm);padding:7px}.input{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);height:36px;color:var(--text-primary);font-family:var(--font-sans);outline:none;width:100%;padding:0 12px;font-size:13px;transition:border-color .15s}.input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-subtle)}.input::placeholder{color:var(--text-muted)}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color .15s;overflow:hidden}.card:hover{border-color:var(--border-hover)}.badge{background:var(--accent-subtle);color:var(--accent);border:1px solid var(--border-accent);border-radius:100px;align-items:center;padding:2px 8px;font-size:11px;font-weight:500;display:inline-flex}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;flex-shrink:0;width:18px;height:18px;animation:.7s linear infinite spin}.overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;background:#000000bf;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg-elevated);border:1px solid var(--border-hover);border-radius:var(--radius-lg);min-width:360px;max-width:90vw;box-shadow:var(--shadow-lg);padding:24px}.dropzone-active{border:2px dashed var(--accent)!important;background:var(--accent-subtle)!important}.context-menu{background:var(--bg-elevated);border:1px solid var(--border-hover);border-radius:var(--radius-md);z-index:300;min-width:180px;box-shadow:var(--shadow-lg);padding:4px;position:fixed}.context-item{border-radius:var(--radius-sm);cursor:pointer;color:var(--text-primary);align-items:center;gap:8px;padding:8px 12px;font-size:13px;transition:background .1s;display:flex}.context-item:hover{background:var(--bg-hover)}.context-item.danger{color:var(--red)}.context-item.danger:hover{background:#ef44441a}.context-separator{background:var(--border);height:1px;margin:4px 0}.file-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;padding:16px;display:grid}.file-card{border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-surface);cursor:pointer;transition:border-color .15s, transform .15s var(--ease-spring), box-shadow .15s;-webkit-user-select:none;user-select:none;position:relative;overflow:hidden}.file-card:hover{border-color:var(--border-accent);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.file-card.selected{border-color:var(--accent);background:var(--accent-subtle)}.file-card.selected:after{content:"";border:2px solid var(--accent);border-radius:var(--radius-md);pointer-events:none;position:absolute;inset:0}.file-thumb{aspect-ratio:1;background:var(--bg-elevated);justify-content:center;align-items:center;display:flex;overflow:hidden}.file-thumb img{object-fit:cover;width:100%;height:100%;display:block}.file-info{border-top:1px solid var(--border);padding:8px 10px}.file-name{white-space:nowrap;text-overflow:ellipsis;color:var(--text-primary);font-size:12px;font-weight:500;overflow:hidden}.file-meta{color:var(--text-muted);font-size:11px;font-family:var(--font-mono);margin-top:2px}.file-list{padding:0 8px}.file-list-row{border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;grid-template-columns:32px 1fr 90px 130px 36px;align-items:center;gap:8px;padding:7px 8px;transition:background .1s;display:grid}.file-list-row:hover{background:var(--bg-elevated)}.file-list-row.selected{background:var(--accent-subtle);border-color:var(--border-accent)}.file-list-header{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;padding:12px 16px 6px;font-size:11px;font-weight:600}.breadcrumb{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.breadcrumb-item{color:var(--text-secondary);cursor:pointer;border-radius:4px;padding:2px 6px;font-size:13px;transition:color .1s,background .1s}.breadcrumb-item:hover{color:var(--text-primary);background:var(--bg-elevated)}.breadcrumb-item.active{color:var(--text-primary);cursor:default;font-weight:500}.breadcrumb-sep{color:var(--text-muted);font-size:12px}.upload-item{border-radius:var(--radius-sm);background:var(--bg-elevated);border:1px solid var(--border);align-items:center;gap:10px;margin-bottom:6px;padding:10px 14px;display:flex}.upload-bar{background:var(--border);border-radius:2px;flex:1;height:3px;overflow:hidden}.upload-bar-fill{background:var(--accent);border-radius:2px;height:100%;transition:width .2s}.tree-item{border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;text-overflow:ellipsis;color:var(--text-secondary);align-items:center;gap:6px;padding:6px 8px 6px 0;font-size:13px;transition:background .1s,color .1s;display:flex;overflow:hidden}.tree-item:hover{background:var(--bg-elevated);color:var(--text-primary)}.tree-item.active{color:var(--accent);font-weight:500}.empty-state{color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:80px 20px;display:flex}.selection-bar{z-index:50;background:var(--bg-elevated);border-bottom:1px solid var(--border-accent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);align-items:center;gap:10px;padding:8px 16px;display:flex;position:sticky;top:0}.toast-container{z-index:1000;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{background:var(--bg-elevated);border:1px solid var(--border-hover);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);align-items:center;gap:10px;min-width:260px;padding:12px 16px;font-size:13px;display:flex}.toast.success{border-color:#22c55e4d}.toast.error{border-color:#ef44444d}.lightbox{z-index:500;background:#000000f2;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.lightbox img,.lightbox video{border-radius:var(--radius-md);object-fit:contain;max-width:90vw;max-height:90vh}.lightbox-nav{border:1px solid var(--border-hover);border-radius:var(--radius-md);cursor:pointer;background:#ffffff14;padding:12px;transition:background .15s;position:absolute;top:50%;transform:translateY(-50%)}.lightbox-nav:hover{background:#ffffff26}.lightbox-nav.prev{left:16px}.lightbox-nav.next{right:16px}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .2s var(--ease-out) forwards}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.pulse{animation:1.5s ease-in-out infinite pulse}