:root{--md-primary: #1a73e8;--md-primary-hover: #1765cc;--md-primary-pressed: #185abc;--md-on-primary: #ffffff;--md-primary-container: #d3e3fd;--md-on-primary-container: #0842a0;--md-background: #fafbfc;--md-surface: #ffffff;--md-surface-container-low: #f8fafd;--md-surface-container: #f0f4f9;--md-surface-container-high: #e9eef6;--md-on-surface: #1f1f1f;--md-on-surface-variant: #5f6368;--md-on-surface-muted: #80868b;--md-outline: #c4c7c5;--md-outline-variant: #e8eaed;--md-success: #137333;--md-success-container: #e6f4ea;--md-on-success-container: #0d5523;--md-error: #d93025;--md-error-container: #fce8e6;--md-on-error-container: #a50e0e;--md-warning: #b06000;--md-warning-container: #feefc3;--md-on-warning-container: #5d3f00;--font-display: "Google Sans", "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-body: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 28px;--radius-full: 999px;--elev-1: 0 1px 2px 0 rgba(60, 64, 67, .3), 0 1px 3px 1px rgba(60, 64, 67, .15);--elev-2: 0 1px 2px 0 rgba(60, 64, 67, .3), 0 2px 6px 2px rgba(60, 64, 67, .15);--elev-3: 0 4px 8px 3px rgba(60, 64, 67, .15), 0 1px 3px 0 rgba(60, 64, 67, .3);--easing-standard: cubic-bezier(.2, 0, 0, 1);--easing-emphasize: cubic-bezier(.3, 0, 0, 1)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-body);font-size:14px;line-height:1.5;color:var(--md-on-surface);background:var(--md-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}h1,h2,h3,h4,h5{font-family:var(--font-display);color:var(--md-on-surface);margin:0;letter-spacing:-.005em}button,input,select,textarea{font-family:inherit;color:inherit}code{font-family:var(--font-mono)}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-4);background:var(--md-background)}.login-box{width:100%;max-width:420px;padding:var(--space-10) var(--space-8);background:var(--md-surface);border-radius:var(--radius-xl);box-shadow:var(--elev-2)}.login-box h1{font-family:var(--font-display);font-size:28px;font-weight:500;text-align:center;color:var(--md-on-surface);margin-bottom:var(--space-1)}.login-box h2{font-family:var(--font-body);font-size:14px;font-weight:400;text-align:center;color:var(--md-on-surface-variant);margin-bottom:var(--space-8)}.form-group{margin-bottom:var(--space-5)}.form-group label{display:block;margin-bottom:var(--space-2);color:var(--md-on-surface-variant);font-size:13px;font-weight:500;letter-spacing:.01em}.form-group input{width:100%;padding:12px 14px;background:var(--md-surface);color:var(--md-on-surface);border:1px solid var(--md-outline);border-radius:var(--radius-sm);font-size:14px;transition:border-color .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.form-group input:hover:not(:disabled){border-color:var(--md-on-surface-variant)}.form-group input:focus{outline:none;border-color:var(--md-primary);box-shadow:0 0 0 1px var(--md-primary)}.form-group input:disabled{background:var(--md-surface-container);color:var(--md-on-surface-muted);cursor:not-allowed}.error-message{background:var(--md-error-container);color:var(--md-on-error-container);padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:var(--space-4);font-size:13px}button[type=submit]{width:100%;padding:12px 24px;background:var(--md-primary);color:var(--md-on-primary);border:none;border-radius:var(--radius-full);font-family:var(--font-display);font-size:14px;font-weight:500;letter-spacing:.01em;cursor:pointer;transition:background .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}button[type=submit]:hover:not(:disabled){background:var(--md-primary-hover);box-shadow:var(--elev-1)}button[type=submit]:active:not(:disabled){background:var(--md-primary-pressed)}button[type=submit]:disabled{background:var(--md-surface-container-high);color:var(--md-on-surface-muted);cursor:not-allowed}.login-hint{margin-top:var(--space-6);padding-top:var(--space-5);border-top:1px solid var(--md-outline-variant);font-size:12px;color:var(--md-on-surface-variant);text-align:center}.login-hint p{margin:var(--space-1) 0}.login-hint strong{color:var(--md-on-surface);font-weight:500}.select{position:relative;width:100%}.select-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:12px 14px;background:var(--md-surface);color:var(--md-on-surface);border:1px solid var(--md-outline);border-radius:var(--radius-sm);font-family:var(--font-body);font-size:14px;text-align:left;cursor:pointer;transition:border-color .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.select-trigger:hover:not(:disabled){border-color:var(--md-on-surface-variant)}.select-trigger:focus-visible{outline:none;border-color:var(--md-primary);box-shadow:0 0 0 1px var(--md-primary)}.select-open .select-trigger{border-color:var(--md-primary);box-shadow:0 0 0 1px var(--md-primary)}.select-disabled .select-trigger{background:var(--md-surface-container);color:var(--md-on-surface-muted);cursor:not-allowed}.select-trigger-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.select-trigger-placeholder{color:var(--md-on-surface-muted)}.select-chevron{flex-shrink:0;color:var(--md-on-surface-variant);transition:transform .18s var(--easing-emphasize)}.select-open .select-chevron{transform:rotate(180deg)}.select-menu{position:absolute;top:calc(100% + 4px);left:0;right:0;margin:0;padding:var(--space-1);list-style:none;background:var(--md-surface);border-radius:var(--radius-sm);box-shadow:var(--elev-2);max-height:280px;overflow-y:auto;z-index:30;animation:select-menu-in .16s var(--easing-emphasize)}.select-option{padding:10px 14px;border-radius:var(--radius-sm);font-size:14px;color:var(--md-on-surface);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.select-option-active{background:var(--md-surface-container)}.select-option-selected{background:var(--md-primary-container);color:var(--md-on-primary-container);font-weight:500}.select-option-selected.select-option-active{background:var(--md-primary-container);filter:brightness(.97)}.select-option-empty{padding:10px 14px;font-size:13px;color:var(--md-on-surface-muted);font-style:italic}@keyframes select-menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.dialog-scrim{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;padding:var(--space-4);z-index:90;animation:scrim-in .18s var(--easing-standard)}.dialog{background:var(--md-surface);border-radius:var(--radius-xl);box-shadow:var(--elev-3);width:100%;max-width:460px;padding:var(--space-6) var(--space-6) var(--space-4);animation:dialog-in .22s var(--easing-emphasize)}.dialog-title{font-family:var(--font-display);font-size:20px;font-weight:500;color:var(--md-on-surface);margin:0 0 var(--space-4)}.dialog-body{font-size:14px;color:var(--md-on-surface-variant);margin-bottom:var(--space-6)}.dialog-body input,.dialog-body textarea{width:100%;padding:12px 14px;background:var(--md-surface);color:var(--md-on-surface);border:1px solid var(--md-outline);border-radius:var(--radius-sm);font-family:inherit;font-size:14px;transition:border-color .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.dialog-body input:hover,.dialog-body textarea:hover{border-color:var(--md-on-surface-variant)}.dialog-body input:focus,.dialog-body textarea:focus{outline:none;border-color:var(--md-primary);box-shadow:0 0 0 1px var(--md-primary)}.dialog-actions{display:flex;justify-content:flex-end;gap:var(--space-2)}.dialog-btn-text,.dialog-btn-filled{font-family:var(--font-display);font-size:14px;font-weight:500;padding:8px 20px;border-radius:var(--radius-full);cursor:pointer;transition:background .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.dialog-btn-text{background:transparent;color:var(--md-primary);border:none}.dialog-btn-text:hover{background:#1a73e814}.dialog-btn-filled{background:var(--md-primary);color:var(--md-on-primary);border:none}.dialog-btn-filled:hover{background:var(--md-primary-hover);box-shadow:var(--elev-1)}.dialog-btn-filled:disabled{background:var(--md-surface-container-high);color:var(--md-on-surface-muted);cursor:not-allowed}@keyframes scrim-in{0%{opacity:0}to{opacity:1}}@keyframes dialog-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@media(max-width:640px){.dialog{padding:var(--space-5);border-radius:var(--radius-lg)}}.snackbar{position:fixed;left:50%;bottom:24px;transform:translate(-50%) translateY(0);display:inline-flex;align-items:center;gap:var(--space-3);min-width:280px;max-width:min(560px,calc(100vw - 32px));padding:12px 8px 12px 20px;background:#2d2f32;color:#e3e3e3;border-radius:var(--radius-sm);box-shadow:var(--elev-3);font-family:var(--font-body);font-size:14px;line-height:1.4;z-index:100;animation:snackbar-in .25s var(--easing-emphasize)}.snackbar-message{flex:1;word-break:break-word;white-space:pre-wrap}.snackbar-action{flex-shrink:0;background:transparent;border:none;color:#a8c7fa;font-family:var(--font-display);font-size:13px;font-weight:500;padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s var(--easing-standard)}.snackbar-action:hover{background:#a8c7fa14}.snackbar-action:active{background:#a8c7fa29}.snackbar-error{border-left:4px solid var(--md-error);padding-left:16px}.snackbar-success{border-left:4px solid var(--md-success);padding-left:16px}@keyframes snackbar-in{0%{opacity:0;transform:translate(-50%) translateY(16px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media(max-width:640px){.snackbar{left:16px;right:16px;transform:none;min-width:0;max-width:none}@keyframes snackbar-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}}.comment-box{background:var(--md-surface-container-low);border:1px solid var(--md-outline-variant);border-radius:var(--radius-lg);padding:var(--space-5);margin-bottom:var(--space-4)}.comment-box.reply{background:var(--md-surface);border-color:var(--md-outline-variant);border-left:3px solid var(--md-primary-container)}.comment-header{display:flex;justify-content:space-between;align-items:center;gap:var(--space-3);margin-bottom:var(--space-4);padding-bottom:var(--space-3);border-bottom:1px solid var(--md-outline-variant)}.comment-header h4{font-family:var(--font-display);font-size:14px;font-weight:500;color:var(--md-on-surface-variant);letter-spacing:.02em}.remove-btn{padding:6px 14px;background:transparent;color:var(--md-error);border:1px solid var(--md-outline);border-radius:var(--radius-full);font-family:var(--font-display);font-size:12px;font-weight:500;cursor:pointer;transition:background .15s var(--easing-standard),border-color .15s var(--easing-standard)}.remove-btn:hover{background:var(--md-error-container);border-color:var(--md-error)}.comment-box .form-row{margin-bottom:var(--space-3)}.comment-box .form-row label{display:block;margin-bottom:var(--space-1);color:var(--md-on-surface-variant);font-size:12px;font-weight:500}.comment-box .form-row select,.comment-box .form-row input,.comment-box .form-row textarea{width:100%;padding:10px 12px;background:var(--md-surface);color:var(--md-on-surface);border:1px solid var(--md-outline);border-radius:var(--radius-sm);font-size:13px;font-family:inherit;transition:border-color .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.comment-box .form-row select:hover:not(:disabled),.comment-box .form-row input:hover:not(:disabled),.comment-box .form-row textarea:hover:not(:disabled){border-color:var(--md-on-surface-variant)}.comment-box .form-row select:focus,.comment-box .form-row input:focus,.comment-box .form-row textarea:focus{outline:none;border-color:var(--md-primary);box-shadow:0 0 0 1px var(--md-primary)}.comment-box .form-row select:disabled,.comment-box .form-row input:disabled,.comment-box .form-row textarea:disabled{background:var(--md-surface-container);color:var(--md-on-surface-muted);cursor:not-allowed}.comment-box .form-row textarea{resize:vertical;min-height:84px}.comment-box .attachment-controls{display:flex;gap:var(--space-2);flex-wrap:wrap}.comment-box .attachment-controls button{padding:6px 14px;background:var(--md-primary-container);color:var(--md-on-primary-container);border:none;border-radius:var(--radius-full);font-family:var(--font-display);font-size:12px;font-weight:500;cursor:pointer;transition:background .15s var(--easing-standard)}.comment-box .attachment-controls button:hover:not(:disabled){background:#c1d5fa}.comment-box .attachment-controls button:disabled{background:var(--md-surface-container);color:var(--md-on-surface-muted);cursor:not-allowed}.comment-box .attachment-list{list-style:none;padding:0;margin:var(--space-2) 0 0;display:flex;flex-direction:column;gap:var(--space-1)}.comment-box .attachment-list li{display:flex;justify-content:space-between;align-items:center;gap:var(--space-2);padding:6px 12px;background:var(--md-surface-container-low);border:1px solid var(--md-outline-variant);border-radius:var(--radius-full);font-size:12px}.comment-box .attachment-list li span{color:var(--md-on-surface);word-break:break-all}.comment-box .attachment-list li button{display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--md-on-surface-variant);border:none;border-radius:50%;width:22px;height:22px;cursor:pointer;font-size:16px;line-height:1;flex-shrink:0;transition:background .15s var(--easing-standard),color .15s var(--easing-standard)}.comment-box .attachment-list li button:hover{background:var(--md-error-container);color:var(--md-error)}.comment-box .submit-btn{padding:10px 22px;background:var(--md-primary);color:var(--md-on-primary);border:none;border-radius:var(--radius-full);font-family:var(--font-display);font-size:13px;font-weight:500;cursor:pointer;margin-top:var(--space-2);transition:background .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.comment-box .submit-btn:hover:not(:disabled){background:var(--md-primary-hover);box-shadow:var(--elev-1)}.comment-box .submit-btn:disabled{background:var(--md-surface-container-high);color:var(--md-on-surface-muted);cursor:not-allowed}.comment-box .result-box{margin-top:var(--space-4);padding:var(--space-4);border-radius:var(--radius-md);background:var(--md-success-container);border-left:4px solid var(--md-success)}.comment-box .result-box.demo{background:var(--md-warning-container);border-left-color:var(--md-warning)}.comment-box .result-box .result-header{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-3)}.comment-box .result-box .result-info{flex:1;min-width:0}.comment-box .result-box h5{font-family:var(--font-display);font-size:13px;font-weight:500;color:var(--md-on-success-container);margin:0 0 var(--space-1)}.comment-box .result-box.demo h5{color:var(--md-on-warning-container)}.comment-box .result-box p{color:var(--md-on-success-container);margin:2px 0;font-size:12px}.comment-box .result-box.demo p{color:var(--md-on-warning-container)}.comment-box .result-box .demo-notice{font-size:11px;font-style:italic;opacity:.9}.comment-box .result-box strong{font-weight:500}.comment-box .add-reply-btn{padding:8px 18px;background:var(--md-primary);color:var(--md-on-primary);border:none;border-radius:var(--radius-full);font-family:var(--font-display);font-size:12px;font-weight:500;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:background .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.comment-box .add-reply-btn:hover{background:var(--md-primary-hover);box-shadow:var(--elev-1)}.comment-box .select-trigger{padding:10px 12px;font-size:13px}.comment-box .select-option{padding:8px 12px;font-size:13px}@media(max-width:640px){.comment-box{padding:var(--space-4);border-radius:var(--radius-md)}.comment-box .submit-btn{width:100%}}.preview-section{background:var(--md-surface);padding:var(--space-8);border-radius:var(--radius-xl);box-shadow:var(--elev-1)}.preview-section h2{font-family:var(--font-display);font-size:22px;font-weight:500;color:var(--md-on-surface);margin-bottom:var(--space-6)}@media(max-width:640px){.preview-section{padding:var(--space-5);border-radius:var(--radius-lg)}.preview-section h2{font-size:18px}}.preview-empty{display:flex;align-items:center;justify-content:center;min-height:240px}.preview-empty-window{width:100%;padding:var(--space-5) var(--space-5) var(--space-6);background:var(--md-surface-container-low);border:1px dashed var(--md-outline-variant);border-radius:var(--radius-lg);display:flex;flex-direction:column;gap:var(--space-3)}.preview-empty-line{height:10px;border-radius:var(--radius-full);background:var(--md-surface-container);animation:preview-skeleton 1.6s ease-in-out infinite}.preview-empty-line-author{width:55%}.preview-empty-line-meta{width:30%;height:8px;animation-delay:.15s}.preview-empty-prompt{margin:var(--space-3) 0 0;color:var(--md-on-surface-variant);font-family:var(--font-display);font-size:14px;font-weight:500}.preview-empty-cursor{display:inline-block;width:2px;height:1.05em;margin-left:4px;background:var(--md-primary);vertical-align:text-bottom;animation:preview-cursor-blink 1.1s steps(2,start) infinite}@keyframes preview-cursor-blink{to{opacity:0}}@keyframes preview-skeleton{0%,to{opacity:.55}50%{opacity:1}}.preview-card{background:var(--md-surface-container-low);border-radius:var(--radius-lg);padding:var(--space-5) var(--space-5) var(--space-6);border:1px solid var(--md-outline-variant);animation:preview-fade-in .3s var(--easing-emphasize)}@keyframes preview-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.preview-author{display:flex;align-items:center;gap:var(--space-3)}.preview-author-small{gap:var(--space-2)}.preview-avatar{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--md-primary-container);color:var(--md-on-primary-container);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:500;font-size:16px}.preview-author-small .preview-avatar{width:30px;height:30px;font-size:13px}.preview-author-meta{display:flex;flex-direction:column;min-width:0;flex:1}.preview-author-name{font-family:var(--font-display);font-size:14px;font-weight:500;color:var(--md-on-surface);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-author-sub{font-size:12px;color:var(--md-on-surface-variant)}.preview-flare{flex-shrink:0;padding:4px 12px;background:var(--md-primary-container);color:var(--md-on-primary-container);border-radius:var(--radius-full);font-size:12px;font-weight:500}.preview-content{margin:var(--space-4) 0 0;color:var(--md-on-surface);font-size:15px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.preview-content-empty{color:var(--md-on-surface-muted);font-style:italic}.preview-attachment{margin-top:var(--space-3);border-radius:var(--radius-md);overflow:hidden;background:var(--md-surface);border:1px solid var(--md-outline-variant)}.preview-attachment img{display:block;width:100%;max-height:320px;object-fit:cover}.preview-attachment-link{display:flex;align-items:center;gap:var(--space-2);padding:10px 14px;color:var(--md-primary);text-decoration:none;font-size:13px}.preview-attachment-link:hover{background:var(--md-surface-container)}.preview-attachment-icon{flex-shrink:0}.preview-attachment-url{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview-attachment-compact img{max-height:180px}.preview-divider{margin:var(--space-5) calc(-1 * var(--space-5)) var(--space-4);border-bottom:1px solid var(--md-outline-variant)}.preview-link{display:flex;margin-top:var(--space-3);background:var(--md-surface);border:1px solid var(--md-outline-variant);border-radius:var(--radius-md);overflow:hidden;text-decoration:none;color:inherit;transition:background .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.preview-link:hover{background:var(--md-surface-container-low);box-shadow:var(--elev-1)}.preview-link-image{width:120px;height:120px;object-fit:cover;flex-shrink:0;background:var(--md-surface-container)}.preview-link-compact .preview-link-image{width:80px;height:80px}.preview-link-body{flex:1;min-width:0;padding:var(--space-3) var(--space-4);display:flex;flex-direction:column;gap:4px;justify-content:center}.preview-link-site{color:var(--md-on-surface-variant);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.04em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview-link-title{font-family:var(--font-display);font-size:14px;font-weight:500;color:var(--md-on-surface);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.preview-link-desc{font-size:12px;color:var(--md-on-surface-variant);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.preview-link-fallback{align-items:center;gap:var(--space-2);padding:10px 14px;color:var(--md-primary);font-size:13px}.preview-link-fallback .preview-link-icon{flex-shrink:0}.preview-link-fallback .preview-link-url{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview-link-skeleton{background:var(--md-surface-container-low);border-style:dashed}.preview-link-skeleton-thumb{width:120px;height:120px;flex-shrink:0;background:var(--md-surface-container);animation:preview-skeleton 1.6s ease-in-out infinite}.preview-link-compact .preview-link-skeleton-thumb{width:80px;height:80px}.preview-link-skeleton-body{flex:1;padding:var(--space-3) var(--space-4);display:flex;flex-direction:column;gap:6px;justify-content:center}.preview-link-skeleton-line{height:10px;border-radius:var(--radius-full);background:var(--md-surface-container);animation:preview-skeleton 1.6s ease-in-out infinite}.preview-link-skeleton-site{width:28%;height:8px;animation-delay:.05s}.preview-link-skeleton-title{width:80%;animation-delay:.1s}.preview-link-skeleton-desc{width:55%;height:8px;animation-delay:.15s}@media(max-width:640px){.preview-link-image,.preview-link-skeleton-thumb{width:88px;height:88px}}.preview-thread{display:flex;flex-direction:column;gap:var(--space-3)}.preview-thread-empty{color:var(--md-on-surface-variant);font-size:13px;font-style:italic;text-align:center;padding:var(--space-3) 0}.preview-node{display:flex;flex-direction:column;gap:var(--space-3)}.preview-comment{background:var(--md-surface);border:1px solid var(--md-outline-variant);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);animation:preview-fade-in .25s var(--easing-emphasize)}.preview-comment-reply{border-left:2px solid var(--md-primary-container)}.preview-comment-draft{border-style:dashed}.preview-comment-content{margin:var(--space-2) 0 0;color:var(--md-on-surface);font-size:13px;line-height:1.45;white-space:pre-wrap;word-break:break-word}.preview-comment-placeholder{margin:0;font-size:13px;font-style:italic;color:var(--md-on-surface-muted)}.post-creator{max-width:960px;margin:0 auto;padding:var(--space-4) var(--space-4) var(--space-12)}@media(min-width:1200px){.post-creator{max-width:1440px}}.post-creator-layout{display:grid;grid-template-columns:1fr;gap:var(--space-6);align-items:start}.post-pane{min-width:0}.post-preview-pane{display:none}@media(min-width:1200px){.post-creator-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.post-preview-pane{display:block;position:sticky;top:96px;max-height:calc(100vh - 120px);overflow-y:auto;min-width:0;padding:4px 8px;margin:-4px -8px}}.header{position:sticky;top:var(--space-4);z-index:20;display:flex;justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-3) 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.zodiac-status-dot{background:var(--md-error)}.zodiac-status-checking{background:var(--md-surface-container);color:var(--md-on-surface-variant)}.zodiac-status-checking .zodiac-status-dot{background:var(--md-on-surface-muted);animation:zodiac-pulse 1.5s ease infinite}@keyframes zodiac-pulse{0%,to{opacity:.35}50%{opacity:1}}.user-info{display:flex;align-items:center;gap:var(--space-3)}.user-info span{color:var(--md-on-surface-variant);font-size:13px}.logout-btn,.attachment-controls button,.submit-btn,.add-comment-btn,.add-reply-btn{font-family:var(--font-display);font-size:14px;font-weight:500;letter-spacing:.01em;border:none;cursor:pointer;white-space:nowrap;transition:background .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.submit-btn,.submit-btn.primary,.add-comment-btn,.add-reply-btn{padding:10px 24px;background:var(--md-primary);color:var(--md-on-primary);border-radius:var(--radius-full)}.submit-btn:hover:not(:disabled),.add-comment-btn:hover,.add-reply-btn:hover{background:var(--md-primary-hover);box-shadow:var(--elev-1)}.submit-btn:active:not(:disabled),.add-comment-btn:active,.add-reply-btn:active{background:var(--md-primary-pressed)}.submit-btn:disabled{background:var(--md-surface-container-high);color:var(--md-on-surface-muted);cursor:not-allowed}.attachment-controls button{padding:8px 16px;background:var(--md-primary-container);color:var(--md-on-primary-container);border-radius:var(--radius-full);font-size:13px}.attachment-controls button:hover:not(:disabled){background:#c1d5fa}.attachment-controls button:disabled{background:var(--md-surface-container);color:var(--md-on-surface-muted);cursor:not-allowed}.logout-btn{padding:8px 16px;background:transparent;color:var(--md-error);border:1px solid var(--md-outline);border-radius:var(--radius-full)}.logout-btn:hover{background:var(--md-error-container);border-color:var(--md-error)}.post-section,.comments-section{background:var(--md-surface);padding:var(--space-8);border-radius:var(--radius-xl);box-shadow:var(--elev-1);margin-bottom:var(--space-6)}.post-section h2,.comments-section h2{font-family:var(--font-display);font-size:22px;font-weight:500;color:var(--md-on-surface);margin-bottom:var(--space-6)}.form-row{margin-bottom:var(--space-5)}.form-row label{display:block;margin-bottom:var(--space-2);color:var(--md-on-surface-variant);font-size:13px;font-weight:500;letter-spacing:.01em}.form-row select,.form-row textarea{width:100%;padding:12px 14px;background:var(--md-surface);color:var(--md-on-surface);border:1px solid var(--md-outline);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;transition:border-color .15s var(--easing-standard),box-shadow .15s var(--easing-standard)}.form-row select:hover:not(:disabled),.form-row textarea:hover:not(:disabled){border-color:var(--md-on-surface-variant)}.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--md-primary);box-shadow:0 0 0 1px var(--md-primary)}.form-row select:disabled,.form-row textarea:disabled{background:var(--md-surface-container);color:var(--md-on-surface-muted);cursor:not-allowed}.form-row textarea{resize:vertical;min-height:120px;line-height:1.5}.profile-select-wrap{display:flex;align-items:center;gap:var(--space-2)}.profile-select-wrap>.select,.profile-select-wrap select{flex:1;min-width:0}.profile-status{position:relative;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:13px;font-weight:700;line-height:1;cursor:help;-webkit-user-select:none;user-select:none}.profile-status-ok{background:var(--md-success-container);color:var(--md-on-success-container)}.profile-status-error{background:var(--md-error-container);color:var(--md-on-error-container)}.profile-status-checking{background:var(--md-surface-container);color:var(--md-on-surface-variant)}.profile-status:after,.profile-status:before{position:absolute;opacity:0;pointer-events:none;transition:opacity .12s var(--easing-standard),transform .12s var(--easing-standard);z-index:10}.profile-status:after{content:attr(data-tooltip);bottom:calc(100% + 8px);right:-4px;background:var(--md-on-surface);color:var(--md-surface);padding:8px 12px;border-radius:var(--radius-sm);font-size:12px;font-weight:400;line-height:1.4;white-space:normal;width:max-content;max-width:280px;text-align:left;transform:translateY(4px);box-shadow:var(--elev-2)}.profile-status:before{content:"";bottom:calc(100% + 3px);right:6px;border:5px solid transparent;border-top-color:var(--md-on-surface)}.profile-status:hover:after,.profile-status:hover:before,.profile-status:focus:after,.profile-status:focus:before{opacity:1;transform:translateY(0)}.attachment-controls{display:flex;gap:var(--space-2);flex-wrap:wrap}.attachment-list{list-style:none;padding:0;margin:var(--space-3) 0 0;display:flex;flex-direction:column;gap:var(--space-2)}.attachment-list li{display:flex;justify-content:space-between;align-items:center;gap:var(--space-3);padding:8px 16px;background:var(--md-surface-container-low);border:1px solid var(--md-outline-variant);border-radius:var(--radius-full);font-size:13px}.attachment-list li span{color:var(--md-on-surface);word-break:break-all;overflow:hidden;text-overflow:ellipsis}.attachment-list li button{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background:transparent;color:var(--md-on-surface-variant);border:none;border-radius:50%;cursor:pointer;font-size:18px;line-height:1;flex-shrink:0;transition:background .15s var(--easing-standard),color .15s var(--easing-standard)}.attachment-list li button:hover{background:var(--md-error-container);color:var(--md-error)}.result-box{margin-top:var(--space-6);padding:var(--space-5) var(--space-6);border-radius:var(--radius-md);background:var(--md-success-container);border-left:4px solid var(--md-success)}.result-box.success{background:var(--md-success-container);border-left-color:var(--md-success)}.result-box.demo,.result-box[class*=demo]{background:var(--md-warning-container);border-left-color:var(--md-warning)}.result-box h3,.result-box h5{font-family:var(--font-display);font-weight:500;color:var(--md-on-success-container);margin:0 0 var(--space-2)}.result-box h3{font-size:16px}.result-box h5{font-size:14px}.result-box.demo h3,.result-box.demo h5{color:var(--md-on-warning-container)}.result-box p{color:var(--md-on-success-container);margin:var(--space-1) 0;font-size:13px}.result-box.demo p{color:var(--md-on-warning-container)}.result-box strong{font-weight:500}.demo-notice{font-size:12px;font-style:italic;margin-bottom:var(--space-2)!important;opacity:.9}.comments-header{display:flex;justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;margin-bottom:var(--space-5)}.no-comments{color:var(--md-on-surface-variant);text-align:center;padding:var(--space-12) var(--space-5);font-size:14px;background:var(--md-surface-container-low);border-radius:var(--radius-md);border:1px dashed var(--md-outline-variant)}.loading{text-align:center;padding:var(--space-12);color:var(--md-on-surface-variant);font-size:16px}@media(max-width:640px){.post-creator{padding:var(--space-3) var(--space-3) var(--space-10)}.header{top:var(--space-2);padding:var(--space-3);flex-direction:column;align-items:stretch}.title-area,.user-info{justify-content:space-between;width:100%}.header h1{font-size:18px}.post-section,.comments-section{padding:var(--space-5);border-radius:var(--radius-lg)}.post-section h2,.comments-section h2{font-size:18px}.submit-btn,.submit-btn.primary{width:100%}}.App{min-height:100vh}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:var(--md-background);gap:var(--space-4)}.spinner{width:36px;height:36px;border:3px solid var(--md-surface-container);border-top-color:var(--md-primary);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app-loading p{margin:0;font-size:14px;color:var(--md-on-surface-variant)}