.page{min-height:100vh;display:flex;flex-direction:column;padding:16px;gap:16px;padding-top:calc(16px + env(safe-area-inset-top));padding-bottom:calc(16px + env(safe-area-inset-bottom))}.page-header{display:flex;flex-direction:column;gap:8px}.page-header h1{font-size:1.5rem;font-weight:700;color:var(--tg-theme-text-color, #000)}.page-footer{margin-top:auto;text-align:center;color:var(--tg-theme-hint-color, #999);font-size:.75rem}.home .user-greeting{font-size:.9rem;color:var(--tg-theme-subtitle-text-color, #777)}.tool-list{display:flex;flex-direction:column;gap:12px}.tool-card{display:flex;flex-direction:column;gap:4px;padding:16px;border-radius:12px;background:var(--tg-theme-secondary-bg-color, #f0f0f0);color:var(--tg-theme-text-color, #000);text-decoration:none;cursor:pointer;border:none;text-align:left;transition:opacity .2s}.tool-card.disabled{opacity:.5;cursor:not-allowed}.tool-icon{font-size:1.5rem}.tool-name{font-size:1rem;font-weight:600}.tool-desc{font-size:.8rem;color:var(--tg-theme-subtitle-text-color, #777)}.mdviewer{display:flex;flex-direction:column;height:100vh;overflow:hidden}.back-link{color:var(--tg-theme-button-color, #3390ec);text-decoration:none;font-size:.9rem}.tab-bar{display:flex;gap:4px;margin-top:8px}.tab{padding:6px 16px;border:none;border-radius:8px;background:var(--tg-theme-secondary-bg-color, #f0f0f0);color:var(--tg-theme-text-color, #000);font-size:.875rem;cursor:pointer}.tab.active{background:var(--tg-theme-button-color, #3390ec);color:var(--tg-theme-button-text-color, #fff)}.mdviewer-body{flex:1;overflow:hidden;display:flex;flex-direction:column}.payload-meta{margin-top:-8px;color:var(--tg-theme-hint-color, #999);font-size:.8rem}.payload-meta code{font-family:Courier New,monospace}.editor-pane{display:flex;flex-direction:column;height:100%;gap:8px}.markdown-input{flex:1;width:100%;padding:12px;border:1px solid var(--tg-theme-bg-color-stroke, #ddd);border-radius:12px;background:var(--tg-theme-secondary-bg-color, #f5f5f5);color:var(--tg-theme-text-color, #000);font-family:Courier New,monospace;font-size:.875rem;resize:none;line-height:1.5}.editor-actions{display:flex;gap:8px;justify-content:flex-end}.preview-pane{flex:1;overflow-y:auto}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:12px;color:var(--tg-theme-hint-color, #999)}.markdown-body{padding:8px 0;line-height:1.6;word-break:break-word}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{margin:1em 0 .5em;font-weight:700;line-height:1.3}.markdown-body h1{font-size:1.5rem}.markdown-body h2{font-size:1.3rem}.markdown-body h3{font-size:1.1rem}.markdown-body p{margin:.5em 0}.markdown-body ul,.markdown-body ol{margin:.5em 0;padding-left:1.5em}.markdown-body li{margin:.25em 0}.markdown-body code{font-family:Courier New,monospace;background:var(--tg-theme-secondary-bg-color, #eee);padding:.1em .35em;border-radius:4px;font-size:.875em}.markdown-body pre{background:var(--tg-theme-secondary-bg-color, #eee);padding:12px;border-radius:8px;overflow-x:auto;margin:.75em 0}.markdown-body pre code{background:none;padding:0}.markdown-body blockquote{border-left:3px solid var(--tg-theme-button-color, #3390ec);margin:.75em 0;padding-left:12px;color:var(--tg-theme-subtitle-text-color, #666)}.markdown-body table{width:100%;border-collapse:collapse;margin:.75em 0;font-size:.9rem}.markdown-body th,.markdown-body td{border:1px solid var(--tg-theme-bg-color-stroke, #ddd);padding:6px 10px;text-align:left}.markdown-body th{background:var(--tg-theme-secondary-bg-color, #eee);font-weight:600}.markdown-body a{color:var(--tg-theme-link-color, #3390ec)}.markdown-body hr{border:none;border-top:1px solid var(--tg-theme-bg-color-stroke, #ddd);margin:1em 0}.btn-primary,.btn-secondary{padding:8px 16px;border-radius:8px;border:none;font-size:.875rem;cursor:pointer;font-weight:500}.btn-primary{background:var(--tg-theme-button-color, #3390ec);color:var(--tg-theme-button-text-color, #fff)}.btn-secondary{background:var(--tg-theme-secondary-bg-color, #eee);color:var(--tg-theme-text-color, #000)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--tg-theme-bg-color, #ffffff);color:var(--tg-theme-text-color, #000000);min-height:100vh;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}.safe-area-top{padding-top:env(safe-area-inset-top)}.safe-area-bottom{padding-bottom:env(safe-area-inset-bottom)}