:root{--paper:#faf8f5;--surface:#fff;--surface-dim:#f3f1ee;--hover:#efede9;--ink:#1c1917;--ink-muted:#78716c;--ink-faint:#a8a29e;--line:#e7e5e0;--line-strong:#d6d3ce;--accent:#1c1917;--accent-bg:#f0eee9;--danger:#b91c1c;--danger-bg:#fef2f2;--danger-line:#fecaca;--success:#15803d;--success-bg:#f0fdf4;--success-line:#bbf7d0;--font:"Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;--radius-sm:3px;--radius:5px;--radius-lg:8px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light only}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{background-color:var(--paper);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.6}input,button,select,textarea{font-family:inherit;font-size:inherit}a{color:var(--ink);text-decoration:none}a:hover{text-decoration:underline}.app-container{flex-direction:column;min-height:100vh;display:flex}.app-header{border-bottom:1px solid var(--line);background-color:var(--surface);z-index:20;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:16px;max-width:1100px;height:52px;margin:0 auto;padding:0 20px;display:flex}.header-left{align-items:center;gap:24px;display:flex}.logo-area{letter-spacing:-.01em;color:var(--ink);white-space:nowrap;font-size:14px;font-weight:600;text-decoration:none}.logo-area:hover{text-decoration:none}.header-nav{align-items:center;gap:2px;display:flex}.nav-link{border-radius:var(--radius-sm);color:var(--ink-muted);align-items:center;padding:5px 10px;font-size:13px;font-weight:500;text-decoration:none;transition:color .1s,background-color .1s;display:inline-flex}.nav-link:hover{background-color:var(--hover);color:var(--ink);text-decoration:none}.nav-link.active{color:var(--ink);background-color:var(--surface-dim)}.header-right{align-items:center;gap:10px;display:flex}.quota-badge{color:var(--ink-muted);background-color:var(--surface-dim);border:1px solid var(--line);border-radius:var(--radius-sm);white-space:nowrap;font-variant-numeric:tabular-nums;padding:4px 10px;font-size:12px}.user-tag{color:var(--ink-muted);font-size:13px}.main-content{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:28px 20px 48px}.login-page{background-color:var(--paper);justify-content:center;align-items:center;min-height:100vh;padding:24px 16px;display:flex}.login-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);width:100%;max-width:360px;padding:36px 28px 28px}.login-header{margin-bottom:28px}.login-wordmark{letter-spacing:-.02em;color:var(--ink);margin-bottom:4px;font-size:16px;font-weight:700}.login-subtitle{color:var(--ink-muted);font-size:13px}.form-group{margin-bottom:14px}.form-label{color:var(--ink-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:5px;font-size:12px;font-weight:600;display:block}.form-input{border:1px solid var(--line-strong);border-radius:var(--radius);background-color:var(--surface);width:100%;height:38px;color:var(--ink);outline:none;padding:0 10px;transition:border-color .15s}.form-input:focus{border-color:var(--ink)}.form-input::placeholder{color:var(--ink-faint)}select.form-input{cursor:pointer}.form-checkbox-label{color:var(--ink-muted);cursor:pointer;align-items:center;gap:8px;padding:4px 0;font-size:13px;display:flex}.form-checkbox{width:15px;height:15px;accent-color:var(--ink);cursor:pointer;flex-shrink:0}.btn{border-radius:var(--radius);cursor:pointer;height:34px;color:var(--ink);white-space:nowrap;-webkit-user-select:none;user-select:none;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:0 14px;font-size:13px;font-weight:500;text-decoration:none;transition:background-color .12s,border-color .12s,color .12s;display:inline-flex}.btn:hover{text-decoration:none}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background-color:var(--ink);color:#fff;border-color:var(--ink)}.btn-primary:hover:not(:disabled){color:#fff;background-color:#2c2a27;border-color:#2c2a27}.btn-secondary{background-color:var(--surface);border-color:var(--line-strong);color:var(--ink)}.btn-secondary:hover:not(:disabled){background-color:var(--hover)}.btn-ghost{color:var(--ink-muted);background:0 0;border-color:#0000}.btn-ghost:hover:not(:disabled){background-color:var(--hover);color:var(--ink)}.btn-danger-ghost{color:var(--ink-muted);background:0 0;border-color:#0000}.btn-danger-ghost:hover:not(:disabled){background-color:var(--danger-bg);color:var(--danger)}.btn-danger{background-color:var(--surface);border-color:var(--line-strong);color:var(--danger)}.btn-danger:hover:not(:disabled){background-color:var(--danger-bg);border-color:var(--danger-line)}.btn-icon{border-radius:var(--radius);width:32px;height:32px;color:var(--ink-muted);padding:0}.btn-icon:hover:not(:disabled){background-color:var(--hover);color:var(--ink)}.btn-icon.btn-danger-ghost{width:32px;height:32px}.btn-block{width:100%;height:40px}.alert{border-radius:var(--radius);border:1px solid;align-items:center;gap:8px;margin-bottom:14px;padding:10px 14px;font-size:13px;display:flex}.alert-error{background-color:var(--danger-bg);color:var(--danger);border-color:var(--danger-line)}.alert-success{background-color:var(--success-bg);color:var(--success);border-color:var(--success-line)}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;display:flex}.toolbar-actions{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.search-box{flex:1;min-width:200px;max-width:280px;position:relative}.search-input{border:1px solid var(--line-strong);border-radius:var(--radius);background-color:var(--surface);width:100%;height:34px;color:var(--ink);outline:none;padding:0 10px 0 32px;font-size:13px;transition:border-color .15s}.search-input:focus{border-color:var(--ink)}.search-input::placeholder{color:var(--ink-faint)}.search-icon{color:var(--ink-faint);pointer-events:none;position:absolute;top:50%;left:9px;transform:translateY(-50%)}.breadcrumbs{white-space:nowrap;align-items:center;gap:4px;margin-bottom:18px;padding-bottom:2px;font-size:13px;display:flex;overflow-x:auto}.breadcrumb-item{color:var(--ink-muted);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;padding:3px 6px;font-family:inherit;font-size:13px;transition:color .1s,background-color .1s}.breadcrumb-item:hover{background-color:var(--hover);color:var(--ink)}.breadcrumb-item.current{color:var(--ink);cursor:default;font-weight:600}.breadcrumb-item.current:hover{background-color:#0000}.breadcrumb-separator{color:var(--ink-faint);-webkit-user-select:none;user-select:none;font-size:12px}.dropzone{border:1px dashed var(--line-strong);border-radius:var(--radius-lg);text-align:center;cursor:pointer;background-color:var(--surface);margin-bottom:20px;padding:24px 16px;transition:border-color .15s,background-color .15s}.dropzone:hover,.dropzone.active{border-color:var(--ink);background-color:var(--surface-dim)}.dropzone-icon{width:36px;height:36px;color:var(--ink-faint);margin:0 auto 8px}.dropzone-text{color:var(--ink);margin-bottom:3px;font-size:13px;font-weight:500}.dropzone-hint{color:var(--ink-muted);font-size:12px}.upload-progress-container{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.upload-item{background-color:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:9px 12px}.upload-item-header{justify-content:space-between;gap:8px;margin-bottom:5px;font-size:12px;display:flex}.upload-filename{text-overflow:ellipsis;white-space:nowrap;max-width:70%;font-weight:500;overflow:hidden}.upload-percent{color:var(--ink-muted);flex-shrink:0}.progress-bar-bg{background-color:var(--line);border-radius:2px;width:100%;height:3px;overflow:hidden}.progress-bar-fill{background-color:var(--ink);border-radius:2px;height:100%;transition:width .15s ease-out}.table-container{border:1px solid var(--line);border-radius:var(--radius-lg);background-color:var(--surface);overflow-x:auto}.files-table{border-collapse:collapse;text-align:left;width:100%}.files-table th{background-color:var(--surface-dim);border-bottom:1px solid var(--line);color:var(--ink-muted);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;padding:8px 14px;font-size:11px;font-weight:600}.files-table tr{border-bottom:1px solid var(--line)}.files-table tr:last-child{border-bottom:none}.files-table tbody tr:hover{background-color:var(--hover)}.files-table td{vertical-align:middle;padding:7px 14px;font-size:13px}.file-name-cell{align-items:center;gap:10px;min-width:200px;display:flex}.file-type-icon{width:18px;height:18px;color:var(--ink-faint);flex-shrink:0}.file-type-icon.folder{color:var(--ink-muted)}.file-name-link{color:var(--ink);cursor:pointer;word-break:break-all;font-weight:500;transition:color .1s}.file-name-link:hover{color:var(--ink-muted);text-decoration:underline}.file-name-download{color:var(--ink);cursor:pointer;word-break:break-all;font-weight:500;text-decoration:none;transition:color .1s}.file-name-download:hover{color:var(--ink-muted);text-decoration:underline}.inline-edit-input{border:1px solid var(--ink);border-radius:var(--radius);background:var(--surface);width:100%;max-width:300px;height:30px;color:var(--ink);outline:none;padding:0 8px;font-family:inherit;font-size:13px}.table-actions{justify-content:flex-end;align-items:center;gap:2px;display:flex}.empty-state{text-align:center;color:var(--ink-muted);padding:48px 16px;font-size:13px}.modal-overlay{z-index:100;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background-color:#00000040;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-dialog{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--line);width:100%;max-width:420px;padding:24px;box-shadow:0 4px 24px #00000014}.modal-title{color:var(--ink);letter-spacing:-.01em;margin-bottom:18px;font-size:16px;font-weight:600}.modal-body{margin-bottom:20px}.modal-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:6px;display:flex}.tabs{border-bottom:1px solid var(--line);gap:0;margin-bottom:24px;display:flex}.tab-btn{height:38px;color:var(--ink-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:color .1s}.tab-btn:hover{color:var(--ink)}.tab-btn.active{color:var(--ink);border-bottom-color:var(--ink)}.admin-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);margin-bottom:20px;padding:20px}.admin-card-title{color:var(--ink);margin-bottom:16px;font-size:14px;font-weight:600}.loading-screen{height:100vh;color:var(--ink-muted);justify-content:center;align-items:center;font-size:13px;display:flex}@media (width<=720px){.header-inner{flex-wrap:wrap;gap:8px;height:auto;padding:10px 16px}.main-content{padding:18px 14px 36px}.toolbar{flex-direction:column;align-items:stretch}.search-box{max-width:100%}.toolbar-actions{justify-content:stretch}.toolbar-actions .btn{flex:1;justify-content:center}.files-table td,.files-table th{padding:7px 10px}.hide-on-mobile{display:none}}.viewer-overlay{z-index:100;color:#faf8f5;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);background:#0c0a09;flex-direction:column;display:flex;position:fixed;inset:0}.viewer-header{flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;display:flex}.viewer-title{flex-direction:column;min-width:0;display:flex}.viewer-name{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.viewer-meta{color:#a8a29e;font-size:12px}.viewer-actions{flex-shrink:0;gap:4px;display:flex}.viewer-btn{border-radius:var(--radius);color:#faf8f5;cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.viewer-btn:hover{background:#ffffff1a;text-decoration:none}.viewer-body{flex:1;justify-content:center;align-items:center;min-height:0;padding:0 16px 16px;display:flex;position:relative}.viewer-media{object-fit:contain;max-width:100%;max-height:100%}.viewer-text{background:var(--surface);width:min(960px,100%);height:100%;color:var(--ink);border-radius:var(--radius);white-space:pre-wrap;word-break:break-word;margin:0;padding:16px 18px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.5;overflow:auto}.viewer-audio{flex-direction:column;align-items:center;gap:16px;width:min(480px,100%);display:flex}.viewer-audio audio{width:100%}.viewer-audio-name{text-align:center;word-break:break-word;font-size:15px}.viewer-pdf{flex-direction:column;align-items:center;gap:10px;width:min(1000px,100%);height:100%;display:flex}.viewer-pdf iframe{border-radius:var(--radius);background:var(--surface);border:none;flex:1;width:100%}.viewer-message{text-align:center;color:#d6d3ce;flex-direction:column;align-items:center;gap:14px;font-size:14px;display:flex}.viewer-nav{z-index:1;border-radius:var(--radius);color:#faf8f5;cursor:pointer;background:#00000073;border:none;width:44px;height:64px;font-size:32px;line-height:1;position:absolute;top:50%;transform:translateY(-50%)}.viewer-nav:hover{background:#000000b3}.viewer-prev{left:8px}.viewer-next{right:8px}.lock-badge{color:var(--ink-muted);flex-shrink:0}.files-table .select-cell{width:36px;padding-right:0}.files-table .select-cell .form-checkbox{vertical-align:middle;width:18px;height:18px;margin:0}.files-table tr.row-selected td{background-color:var(--accent-bg)}.bulk-bar-spacer{height:80px}.bulk-bar{left:50%;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:30;background:var(--ink);width:max-content;max-width:calc(100% - 32px);color:var(--surface);border-radius:var(--radius-lg);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 16px;padding:10px 12px 10px 18px;display:flex;position:fixed;transform:translate(-50%);box-shadow:0 8px 24px #1c191740}.bulk-count{white-space:nowrap;font-size:13px;font-weight:600}.bulk-actions{flex-wrap:wrap;gap:6px;display:flex}.bulk-bar .btn-ghost{color:var(--surface)}.bulk-bar .btn-ghost:hover{background:#ffffff1f}@media (width<=720px){.file-name-cell{min-width:0}.table-actions{flex-wrap:wrap;max-width:104px;margin-left:auto}.bulk-bar{justify-content:flex-start;width:calc(100% - 32px);padding:12px 12px 12px 16px}.bulk-actions{width:100%}.bulk-actions .btn{flex:1;justify-content:center}.bulk-bar .bulk-clear{flex:none;width:36px;height:36px;position:absolute;top:4px;right:4px}}