*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f4f5f7;--surface: #ffffff;--surface-2: #f7f8fa;--border: #e4e7ec;--text: #16181d;--text-muted: #6b7280;--primary: #4f46e5;--primary-hover: #4338ca;--primary-soft: rgba(79, 70, 229, .09);--danger: #dc2626;--danger-soft: rgba(220, 38, 38, .08);--success: #16a34a;--success-soft: rgba(22, 163, 74, .1);--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .08);--ring: 0 0 0 3px rgba(79, 70, 229, .2);--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--code-bg: #1e1e1e;--code-text: #d4d4d4;color-scheme:light}:root[data-theme=dark]{--bg: #0e1015;--surface: #161920;--surface-2: #1c2029;--border: #262b36;--text: #e7eaf0;--text-muted: #8a93a5;--primary: #818cf8;--primary-hover: #a5b0ff;--primary-soft: rgba(129, 140, 248, .12);--danger: #f87171;--danger-soft: rgba(248, 113, 113, .12);--success: #4ade80;--success-soft: rgba(74, 222, 128, .12);--shadow: 0 1px 2px rgba(0, 0, 0, .4);--ring: 0 0 0 3px rgba(129, 140, 248, .25);--code-bg: #11131a;--code-text: #d4d4d4;color-scheme:dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0e1015;--surface: #161920;--surface-2: #1c2029;--border: #262b36;--text: #e7eaf0;--text-muted: #8a93a5;--primary: #818cf8;--primary-hover: #a5b0ff;--primary-soft: rgba(129, 140, 248, .12);--danger: #f87171;--danger-soft: rgba(248, 113, 113, .12);--success: #4ade80;--success-soft: rgba(74, 222, 128, .12);--shadow: 0 1px 2px rgba(0, 0, 0, .4);--ring: 0 0 0 3px rgba(129, 140, 248, .25);--code-bg: #11131a;--code-text: #d4d4d4;color-scheme:dark}}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh;transition:background-color .2s,color .2s}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--surface) 82%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:.65rem 1.5rem;transition:background-color .2s,border-color .2s}nav{display:flex;align-items:center;justify-content:space-between;max-width:960px;margin:0 auto}.logo{display:inline-flex;align-items:center;gap:.5rem;font-weight:650;font-size:1rem;letter-spacing:-.01em;color:var(--text)}.logo:hover{text-decoration:none}.logo:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.nav-actions{display:flex;align-items:center;gap:.5rem}.inline{display:inline}.btn{display:inline-block;padding:.5rem 1rem;font-size:.875rem;font-weight:500;font-family:inherit;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}.btn:hover{background:var(--surface-2);text-decoration:none}.btn:focus-visible{outline:none;box-shadow:var(--ring)}.btn:disabled{opacity:.6;cursor:default}.btn-sm{padding:.3rem .7rem;font-size:.8rem}.btn-primary{background:var(--primary);color:#fff;border-color:transparent}:root[data-theme=dark] .btn-primary{color:#0e1015}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .btn-primary{color:#0e1015}}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{background:transparent;color:var(--danger);border-color:transparent}.btn-danger:hover{background:var(--danger-soft)}.btn-block{display:block;width:100%}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text-muted);cursor:pointer;transition:background-color .15s,color .15s}.icon-btn:hover{background:var(--surface-2);color:var(--text)}.icon-btn:focus-visible{outline:none;box-shadow:var(--ring)}.icon-btn svg{width:16px;height:16px}.icon-sun{display:none}:root[data-theme=dark] .icon-sun{display:block}:root[data-theme=dark] .icon-moon{display:none}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .icon-sun{display:block}:root:not([data-theme=light]) .icon-moon{display:none}}main{max-width:960px;margin:0 auto;padding:1.5rem}.alert{padding:.65rem 1rem;border-radius:var(--radius-sm);margin-bottom:1rem;font-size:.875rem;border:1px solid transparent;border-left-width:3px;animation:alert-in .2s ease-out}.alert-error{background:var(--danger-soft);color:var(--danger);border-color:var(--danger)}.alert-success{background:var(--success-soft);color:var(--success);border-color:var(--success)}@keyframes alert-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.breadcrumbs{margin-bottom:1rem;font-size:.9rem;color:var(--text-muted)}.breadcrumbs .sep{margin:0 .3rem;color:var(--border)}.toolbar{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;padding:.9rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:background-color .2s,border-color .2s}.upload-form,.mkdir-form{display:flex;align-items:center;gap:.5rem}.upload-form{flex:1;min-width:260px}.dropzone{flex:1;display:flex;align-items:center;gap:.6rem;padding:.5rem .9rem;font-size:.82rem;color:var(--text-muted);border:1.5px dashed var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:border-color .15s,background-color .15s,color .15s}.dropzone:hover,.dropzone.drag-over{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.dropzone svg{width:16px;height:16px;flex-shrink:0}.dropzone u{text-underline-offset:2px}.dropzone input[type=file]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.mkdir-form input[type=text]{padding:.3rem .6rem;font-size:.8rem;font-family:inherit;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text);width:180px;transition:border-color .15s}.mkdir-form input[type=text]:focus{outline:none;border-color:var(--primary);box-shadow:var(--ring)}.file-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.file-table thead{background:var(--surface-2)}.file-table th,.file-table td{padding:.6rem 1rem;text-align:left;border-bottom:1px solid var(--border);font-size:.875rem}.file-table th{font-weight:600;color:var(--text-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em}.file-table tr:last-child td{border-bottom:none}.file-table tbody tr:hover td{background:var(--surface-2)}.cell-name .name-wrap{display:flex;align-items:center;gap:.6rem;min-width:0}.cell-name a{color:var(--text);font-weight:500;overflow-wrap:anywhere}.cell-name a:hover{color:var(--primary);text-decoration:none}.file-icon{width:17px;height:17px;flex-shrink:0}.icon-folder{color:#f59e0b}.icon-md{color:#38bdf8}.icon-html{color:#fb923c}.icon-docx{color:var(--primary)}.actions,.th-actions{text-align:right;white-space:nowrap}.actions form,.actions button{display:inline-block;margin-left:.3rem}.row-action{opacity:0;transition:opacity .12s,background-color .15s,color .15s}.file-table tbody tr:hover .row-action,.row-action:focus-visible{opacity:1}@media(hover:none){.row-action{opacity:1}}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-muted);background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;padding:1rem}.modal-content{background:var(--surface);padding:1.5rem;border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 32px #00000040;width:100%;max-width:440px;animation:alert-in .15s ease-out}.modal-content h3{margin-bottom:.5rem;font-size:1.05rem}.share-filename{font-family:var(--mono);font-size:.8rem;color:var(--text-muted);margin-bottom:1rem;overflow-wrap:anywhere}.modal-actions{display:flex;gap:.5rem;margin-top:1rem}.share-result{margin-top:1rem;display:flex;gap:.5rem;align-items:center}.share-result input{flex:1;padding:.4rem .6rem;font-size:.8rem;font-family:var(--mono);border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text)}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.3rem;font-size:.8rem;font-weight:500;color:var(--text-muted)}.form-group input,.form-group select{width:100%;padding:.5rem .75rem;font-size:.9rem;font-family:inherit;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text);transition:border-color .15s,background-color .15s}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:var(--ring);background:var(--surface)}.login-container{max-width:360px;margin:14vh auto 0;padding:2rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.login-container h1{margin-bottom:1.5rem;text-align:center;font-size:1.3rem;font-weight:650;letter-spacing:-.01em}.error-container{max-width:360px;margin:18vh auto 0;text-align:center}.error-container h1{font-size:3rem;margin-bottom:.25rem}.error-container p{color:var(--text-muted);margin-bottom:1.5rem}.viewer-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.5rem}.viewer-header h2{font-size:1.25rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.viewer-content{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);transition:background-color .2s,border-color .2s}.raw-frame{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:none;background:#fff}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{margin-top:1.5em;margin-bottom:.5em;font-weight:600}.markdown-body>:first-child{margin-top:0}.markdown-body h1{font-size:1.8rem;border-bottom:1px solid var(--border);padding-bottom:.3em}.markdown-body h2{font-size:1.4rem;border-bottom:1px solid var(--border);padding-bottom:.3em}.markdown-body h3{font-size:1.15rem}.markdown-body p{margin-bottom:1em}.markdown-body ul,.markdown-body ol{margin-bottom:1em;padding-left:2em}.markdown-body li{margin-bottom:.25em}.markdown-body code{background:var(--surface-2);border:1px solid var(--border);padding:.15em .4em;border-radius:4px;font-size:.9em;font-family:var(--mono)}.markdown-body pre{background:var(--code-bg);color:var(--code-text);padding:1rem;border-radius:var(--radius-sm);overflow-x:auto;margin-bottom:1em}.markdown-body pre code{background:none;border:none;padding:0;color:inherit}.markdown-body pre.mermaid{background:#fff;text-align:center}.markdown-body blockquote{border-left:3px solid var(--primary);padding:.5em 1em;margin:0 0 1em;color:var(--text-muted);background:var(--surface-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.markdown-body table{width:100%;border-collapse:collapse;margin-bottom:1em}.markdown-body th,.markdown-body td{border:1px solid var(--border);padding:.5em .75em;text-align:left}.markdown-body th{background:var(--surface-2);font-weight:600}.markdown-body img{max-width:100%;border-radius:var(--radius-sm)}.markdown-body a{color:var(--primary)}.markdown-body hr{border:none;border-top:1px solid var(--border);margin:1.5em 0}.toasts{position:fixed;top:4rem;right:1rem;z-index:200;display:flex;flex-direction:column;gap:.5rem;max-width:min(360px,calc(100vw - 2rem))}.toasts .alert{margin-bottom:0;box-shadow:0 4px 16px #00000026;background:var(--surface)}.toasts .alert-error{color:var(--danger)}.toasts .alert-success{color:var(--success)}.text-muted{color:var(--text-muted)}@media(max-width:640px){main{padding:1rem}header{padding:.65rem 1rem}.toolbar{flex-direction:column;align-items:stretch}.upload-form,.mkdir-form{flex-wrap:wrap}.file-table th:nth-child(3),.file-table td:nth-child(3){display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
