:root{color-scheme:light;--sheet-row-header-width: 44px;--bg: #f6f7f8;--panel: rgba(255, 255, 255, .78);--panel-solid: #ffffff;--panel-strong: #f1f3f5;--text: #17191c;--muted: #6b7280;--line: rgba(23, 25, 28, .11);--accent: #0b84ff;--danger: #cc2f2f;--shadow: 0 18px 60px rgba(28, 39, 49, .12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{color-scheme:dark;--bg: #111315;--panel: rgba(30, 33, 36, .72);--panel-solid: #1d2024;--panel-strong: #272b31;--text: #f5f7fa;--muted: #9aa3ad;--line: rgba(245, 247, 250, .12);--accent: #5aa9ff;--danger: #ff6b6b;--shadow: 0 18px 60px rgba(0, 0, 0, .32)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 10% 0%,rgba(11,132,255,.12),transparent 34%),linear-gradient(180deg,var(--bg),var(--panel-strong));color:var(--text)}html,body,#root{min-height:100%}button,input,textarea{font:inherit}button{border:1px solid 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minmax(0,1fr);min-height:100vh}.drawer-backdrop{display:none}.sidebar{height:100vh;height:100dvh;position:sticky;top:0;border-right:1px solid var(--line);background:var(--panel);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);display:flex;flex-direction:column;padding:14px;padding:max(14px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(14px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left));gap:12px}.sidebar-header,.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.topbar-main,.topbar-meta{min-width:0;display:flex;align-items:center;gap:10px}.topbar-main{flex:1 1 auto}.topbar-meta{flex:0 0 auto}.save-status{color:var(--muted);font-size:13px;white-space:nowrap}.save-status.failed{color:var(--danger)}.sidebar-header strong{display:block;font-size:18px}.sidebar-header span,.topbar 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button{min-height:42px;white-space:nowrap}.notebook-toolbar{margin-bottom:10px;padding:6px}.block-header{min-height:44px;padding:4px 8px}.drag-handle{display:none}.block textarea{min-height:118px;padding:12px}.code-editor{grid-template-columns:minmax(0,1fr)}.code-lines{display:none}.markdown-preview,.code-output{padding:12px}.workbook-tabs{padding:8px var(--sheet-edge-padding)}.notebook .workbook-tabs{padding:8px 12px}.workbook-tab{flex-basis:128px;height:42px}.sheet-grid-shell{border-radius:10px}.cell-editor-overlay{min-height:34px}.confirm-modal div{justify-content:stretch}.confirm-modal button{flex:1 1 130px;justify-content:center}}@media(max-width:420px){.dashboard-actions button,.project-card button{flex:1 1 120px;justify-content:center}.topbar-meta{padding-left:0}.notebook,.sheet-wrap{padding:8px}.block{margin-bottom:10px}}@media(pointer:coarse){.column-resize-handle,.row-resize-handle,.fill-handle{display:none}}