@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root,html.light{--bg-color:#f3f4f6;--text-color:#1f2937;--primary:#3b82f6;--primary-hover:#2563eb;--card-bg:#ffffffd9;--border-color:#0000001a;--icon-color:#6b7280;--glass-bg:#ffffffb3;--glass-border:#ffffff80;--glass-shadow:0 8px 32px 0 #1f268712;--active-bg:#e5e7eb}html.dark{--bg-color:#111827;--text-color:#f9fafb;--primary:#3b82f6;--primary-hover:#2563eb;--card-bg:#1f2937b3;--border-color:#ffffff1a;--icon-color:#9ca3af;--glass-bg:#111827b3;--glass-border:#ffffff0d;--glass-shadow:0 8px 32px 0 #0000004d;--active-bg:#374151}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;transition:background-color .3s,color .3s}.app-container{height:100vh;display:flex;overflow:hidden}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}.login-container{background:radial-gradient(circle at 100% 0,#3b82f626,#0000 40%),radial-gradient(circle at 0 100%,#9333ea26,#0000 40%);justify-content:center;align-items:center;width:100%;height:100vh;display:flex}.login-card{text-align:center;border-radius:24px;width:100%;max-width:400px;padding:3rem}.login-title{margin-bottom:.5rem;font-size:1.5rem;font-weight:700}.login-subtitle{color:var(--icon-color);margin-bottom:2rem;font-size:.875rem}.login-input{border:1px solid var(--border-color);background:var(--bg-color);width:100%;color:var(--text-color);border-radius:12px;outline:none;margin-bottom:1.5rem;padding:1rem 1.25rem;font-size:1rem;transition:border-color .2s,box-shadow .2s}.login-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3b82f633}.btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;padding:1rem;font-size:1rem;font-weight:600;transition:background-color .2s,transform .1s}.btn:hover{background:var(--primary-hover)}.btn:active{transform:scale(.98)}.sidebar{border-right:1px solid var(--border-color);flex-direction:column;flex-shrink:0;gap:2rem;width:280px;padding:1.5rem;display:flex}.sidebar-logo{align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;display:flex}.upload-btn{background:var(--glass-bg);border:1px solid var(--border-color);color:var(--text-color);cursor:pointer;border-radius:16px;justify-content:center;align-items:center;gap:.5rem;padding:1rem;font-weight:600;transition:all .2s;display:flex;box-shadow:0 2px 8px #0000000d}.upload-btn:hover{background:var(--card-bg);transform:translateY(-1px);box-shadow:0 4px 12px #0000001a}.theme-selector{flex-direction:column;gap:.5rem;margin-top:auto;display:flex}.theme-title{color:var(--icon-color);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem;font-size:.75rem;font-weight:600}.theme-options{background:var(--border-color);border-radius:8px;padding:4px;display:flex}.theme-btn{color:var(--icon-color);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;padding:6px 0;font-size:.75rem;font-weight:500;transition:all .2s}.theme-btn.active{background:var(--card-bg);color:var(--text-color);box-shadow:0 1px 3px #0000001a}.main-content{background-color:var(--bg-color);flex:1;display:flex;overflow-x:auto}.column{border-right:1px solid var(--border-color);background:var(--glass-bg);flex-direction:column;width:280px;min-width:280px;display:flex;overflow-y:auto}.column-header{border-bottom:1px solid var(--border-color);color:var(--icon-color);background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);z-index:10;white-space:nowrap;text-overflow:ellipsis;padding:1rem;font-size:.875rem;font-weight:600;position:sticky;top:0;overflow:hidden}.file-row{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:.75rem;padding:.75rem 1rem;transition:background-color .1s;display:flex}.file-row:hover{background-color:var(--border-color)}.file-row.active{background-color:var(--primary);color:#fff}.file-row.active .file-row-meta,.file-row.active .file-icon,.file-row.active .folder-icon{color:#fffc!important}.file-row-icon{justify-content:center;align-items:center;font-size:1.25rem;display:flex}.file-icon{color:var(--icon-color)}.folder-icon{color:#3b82f6}.file-row-info{flex-direction:column;flex:1;min-width:0;display:flex}.file-row-name{white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;font-weight:500;overflow:hidden}.file-row-meta{color:var(--icon-color);margin-top:2px;font-size:.7rem}.file-row-arrow{color:var(--icon-color);font-size:.75rem}.column-loading{text-align:center;color:var(--icon-color);padding:2rem;font-size:.875rem}.column-empty{text-align:center;color:var(--icon-color);padding:2rem;font-size:.875rem;font-style:italic}.progress-overlay{z-index:1000;border-radius:16px;width:320px;padding:1.5rem;position:fixed;bottom:2rem;right:2rem}.progress-header{justify-content:space-between;margin-bottom:1rem;font-size:.875rem;font-weight:600;display:flex}.progress-bar-bg{background:var(--border-color);border-radius:3px;height:6px;overflow:hidden}.progress-bar-fill{background:var(--primary);height:100%;transition:width .3s}@keyframes fadeIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.column{animation:.2s forwards fadeIn}