:root{--text:#2b2620;--text-muted:#6b6357;--bg:#f4f1ea;--panel-bg:#fff;--border:#ddd6c7;--accent:#c65b3c;--accent-contrast:#fff;--board-bg:#eef2ea;--board-border:#cdd8c5;--link:#2b6cb0;--sans:"Hiragino Sans", "Yu Gothic", system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SFMono-Regular", "MS Gothic", Consolas, monospace;font:16px/1.6 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#ece7dc;--text-muted:#a39d8e;--bg:#1c1a16;--panel-bg:#26231d;--border:#3a362c;--accent:#e07a56;--accent-contrast:#1c1a16;--board-bg:#202a1e;--board-border:#364534;--link:#7db4f0}}*{box-sizing:border-box}body{margin:0}h1,h2,h3{margin:0;font-weight:700}button{font:inherit;cursor:pointer}input,textarea{font:inherit;color:inherit}.app{max-width:1240px;margin:0 auto;padding:24px 20px 64px}.app-header{text-align:center;margin-bottom:24px}.app-header h1{letter-spacing:.04em;font-size:28px}.app-subtitle{color:var(--text-muted);margin:6px 0 0;font-size:14px}.editor-topbar{align-items:center;gap:12px;margin-bottom:20px;display:flex}.back-button{flex-shrink:0}.editor-topbar-title{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:700;overflow:hidden}.thread-list-panel{background:var(--panel-bg);border:1px solid var(--border);border-radius:10px;padding:16px}.add-post-button-inline{background:var(--accent);color:var(--accent-contrast);border-color:var(--accent);padding:8px 14px}.add-post-button-inline:hover{filter:brightness(1.08)}.thread-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.thread-list-item{border:1px solid var(--border);background:var(--bg);border-radius:8px;align-items:center;gap:10px;padding:4px 4px 4px 0;display:flex}.thread-list-item-main{text-align:left;background:0 0;border:none;flex-direction:column;flex:1;align-items:flex-start;gap:2px;padding:10px 12px;display:flex}.thread-list-item-main:hover{background:var(--border);border-radius:6px}.thread-list-item-title{color:var(--text);font-size:15px;font-weight:700}.thread-list-item-meta{color:var(--text-muted);font-size:12px}.thread-list-item-actions{flex-shrink:0;gap:6px;padding-right:8px;display:flex}.settings-panel{background:var(--panel-bg);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap;gap:16px;margin-bottom:20px;padding:16px;display:flex}.settings-field{color:var(--text-muted);flex-direction:column;flex:200px;gap:4px;font-size:13px;display:flex}.settings-field input{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:6px;padding:8px 10px}.settings-field input:disabled{opacity:.5}.main-grid{grid-template-columns:1fr 1fr;align-items:start;gap:20px;display:grid}@media (width<=880px){.main-grid{grid-template-columns:1fr}}.editor-pane,.preview-pane{background:var(--panel-bg);border:1px solid var(--border);border-radius:10px;padding:16px}.pane-heading{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.pane-heading h2{font-size:16px}.preview-actions{gap:8px;display:flex}button{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:6px;padding:6px 10px;font-size:13px;transition:background-color .15s}button:hover:not(:disabled){background:var(--border)}button:disabled{opacity:.45;cursor:not-allowed}button.danger,button.danger-ghost{color:var(--accent);border-color:var(--accent);background:0 0}button.danger:hover:not(:disabled),button.danger-ghost:hover:not(:disabled){background:var(--accent);color:var(--accent-contrast)}.post-edit-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.post-edit-item{border:1px solid var(--border);background:var(--bg);border-radius:8px;padding:10px}.post-edit-toolbar{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:8px;display:flex}.post-edit-number{font-family:var(--mono);color:var(--text-muted);margin-right:4px;font-size:12px}.post-edit-toolbar-spacer{flex:1}.post-edit-fields{flex-wrap:wrap;gap:10px;margin-bottom:8px;display:flex}.post-edit-field{color:var(--text-muted);flex-direction:column;gap:4px;font-size:12px;display:flex}.post-edit-field-name{flex:160px}.post-edit-field-date{flex:200px}.post-edit-field-body{color:var(--text-muted);flex-direction:column;gap:4px;font-size:12px;display:flex}.post-edit-field input,.post-edit-field textarea{border:1px solid var(--border);background:var(--panel-bg);color:var(--text);resize:vertical;border-radius:6px;padding:7px 9px}.add-post-button{background:var(--accent);width:100%;color:var(--accent-contrast);border-color:var(--accent);margin-top:12px;padding:10px;font-size:14px}.add-post-button:hover{filter:brightness(1.08)}.empty-hint{color:var(--text-muted);text-align:center;padding:24px 8px;font-size:13px}.board{background:var(--board-bg);border:1px solid var(--board-border);font-family:var(--mono);border-radius:8px;max-height:70vh;padding:16px;font-size:13px;line-height:1.7;overflow-y:auto}.board-thread-title{color:var(--text);margin-bottom:12px;font-size:15px}.preview-post{border-bottom:1px dashed var(--board-border);padding:10px 0}.preview-post:last-child{border-bottom:none}.preview-post-head{flex-wrap:wrap;align-items:baseline;gap:6px;margin:0 0 4px;display:flex}.preview-post-name{color:#2f7d3f;font-weight:700}.preview-post-date{color:var(--text-muted)}.preview-post-body{white-space:pre-wrap;word-break:break-word;margin:0}.preview-post-body .empty{color:var(--text-muted);font-style:italic}.anchor-link{color:var(--link);text-decoration:none}.anchor-link:hover{text-decoration:underline}