@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";.layout[data-v-0d16d861]{display:flex;min-height:100vh;background:var(--bg)}.sidebar[data-v-0d16d861]{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--surface);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:40;border-right:1px solid var(--border-light);overflow-y:auto}.sb-header[data-v-0d16d861]{padding:24px 20px 16px;border-bottom:1px solid var(--border-light)}.sb-logo[data-v-0d16d861]{display:flex;align-items:center;gap:12px;text-decoration:none;cursor:pointer}.sb-logo-svg[data-v-0d16d861]{width:38px;height:38px;flex-shrink:0}.sb-logo-name[data-v-0d16d861]{font-family:var(--font-heading);font-size:17px;font-weight:700;color:var(--text);display:block}.sb-logo-sub[data-v-0d16d861]{font-size:11px;color:var(--text-muted)}.sb-nav[data-v-0d16d861]{flex:1;padding:8px 12px;overflow-y:auto}.sb-group[data-v-0d16d861]{margin-bottom:4px}.sb-group-label[data-v-0d16d861]{font-size:10px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1.2px;padding:12px 10px 4px}.sb-item[data-v-0d16d861]{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:var(--radius);text-decoration:none;color:var(--text-secondary);font-size:13px;transition:all var(--transition);margin-bottom:1px;cursor:pointer;border:none;background:none;width:100%;text-align:left}.sb-item[data-v-0d16d861]:hover{background:var(--primary-bg);color:var(--primary)}.sb-item.active[data-v-0d16d861]{background:var(--primary-light);color:var(--primary);font-weight:600}.sb-sub[data-v-0d16d861]{padding-left:24px}.sb-item-svg[data-v-0d16d861]{width:18px;height:18px;flex-shrink:0}.sb-item-text[data-v-0d16d861]{flex:1}.sb-item-badge[data-v-0d16d861]{font-size:10px;color:var(--text-muted);font-weight:500}.sb-item-count[data-v-0d16d861]{font-size:10px;color:var(--text-muted)}.sb-grade-dot[data-v-0d16d861]{width:22px;height:22px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;flex-shrink:0}.sb-tool[data-v-0d16d861]{font-size:13px;color:var(--text-muted);cursor:pointer}.sb-tool[data-v-0d16d861]:hover{color:var(--text)}.sb-tool-icon[data-v-0d16d861]{font-size:15px;width:18px;text-align:center}.sb-fav[data-v-0d16d861]{font-size:12px}.sb-fav[data-v-0d16d861]:hover,.sb-fav:hover .sb-item-svg[data-v-0d16d861]{color:#eab308}.sb-footer[data-v-0d16d861]{padding:14px 20px;border-top:1px solid var(--border-light);font-size:11px;color:var(--text-muted)}.main[data-v-0d16d861]{flex:1;margin-left:var(--sidebar-w);min-height:100vh;padding:40px 48px;max-width:calc(100vw - var(--sidebar-w))}:root{--primary: #E07A2B;--primary-hover: #C66519;--primary-light: #FBE7D3;--primary-bg: #FFF6EC;--secondary: #2F6F4E;--secondary-light:#DCEDE2;--secondary-bg: #F5F9F6;--accent: #F4B942;--accent-light: #FCEEC0;--tag-stat: #C25B9C;--tag-stat-light: #FBE6F2;--tag-measure: #3A7BD5;--tag-measure-light:#DEEBFB;--bg: #FAF6EE;--surface: #FFFFFF;--text: #2B2B2B;--text-secondary: #5C5C5C;--text-muted: #8A8A8A;--border: #EADFC6;--border-light: #F2EAD6;--cat-number: #E07A2B;--cat-number-bg:#FBE7D3;--cat-geometry: #2F6F4E;--cat-geometry-bg:#DCEDE2;--cat-measure: #3A7BD5;--cat-measure-bg:#DEEBFB;--cat-stat: #C25B9C;--cat-stat-bg:#FBE6F2;--cat-practice: #8B5CF6;--cat-practice-bg:#EDE4FE;--shadow-sm: 0 2px 6px rgba(120, 80, 30, .05);--shadow: 0 4px 14px rgba(120, 80, 30, .08);--shadow-md: 0 8px 24px rgba(120, 80, 30, .1);--shadow-lg: 0 16px 40px rgba(120, 80, 30, .14);--shadow-card-hover: 0 12px 28px rgba(224, 122, 43, .18);--radius-sm: 8px;--radius: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-2xl: 36px;--font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-fun: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", Menlo, monospace;--transition: .25s cubic-bezier(.175, .885, .32, 1.275);--transition-fast: .18s ease;--sidebar-w: 240px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-body);font-size:14px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"kern" 1,"liga" 1;letter-spacing:.01em}a{color:inherit;text-decoration:none;cursor:pointer}button{cursor:pointer;font-family:inherit;transition:all var(--transition)}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:8px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#e0cfb0;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}@keyframes bounceIn{0%{opacity:0;transform:scale(.85)}60%{opacity:1;transform:scale(1.05)}to{transform:scale(1)}}@keyframes wiggle{0%,to{transform:rotate(0)}25%{transform:rotate(-2deg)}75%{transform:rotate(2deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.reduced-motion *{animation:none!important;transition:none!important}