:root{--bg-base:#f0f2f6;--bg-surface:#fff;--bg-elevated:#fff;--bg-overlay:#e8ebf0;--bg-input:#f3f4f8;--text-primary:#0f0f1a;--text-secondary:#3d3d5c;--text-tertiary:#8888a0;--text-disabled:#b0b0c4;--border-default:#d8dce4;--border-subtle:#e6e9f0;--border-strong:#c4c8d4;--accent-blue:#0d9488;--accent-purple:#0891b2;--accent-cyan:#0284c7;--accent-green:#059669;--accent-amber:#d97706;--accent-red:#dc2626;--accent-pink:#db2777;--glow-blue:#0d94881a;--glow-purple:#0891b21a;--glow-cyan:#0284c71a;--glass-bg:#ffffff8c;--glass-border:#ffffffb3;--glass-blur:20px;--shadow-sm:0 1px 2px #0000000a, 0 2px 8px #0000000a;--shadow-md:0 4px 12px #0000000f, 0 2px 4px #0000000a;--shadow-lg:0 8px 28px #00000014;--shadow-xl:0 16px 48px #0000001a;--shadow-glow:0 0 24px var(--glow-blue);--radius-xs:6px;--radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-xl:24px;--font-sans:"Inter", "Outfit", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", "Menlo", monospace;--text-page-title:30px;--text-section-title:16px;--text-card-title:15px;--text-body:14px;--text-caption:13px;--text-small:12px;--text-label:11px;--gradient-primary:linear-gradient(135deg, #0d9488, #0891b2);--gradient-cyan:linear-gradient(135deg, #0891b2, #0284c7);--gradient-warm:linear-gradient(135deg, var(--accent-pink), var(--accent-amber));--gradient-border:linear-gradient(135deg, #0d948840, #0891b240);--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-in:cubic-bezier(.7, 0, .84, 0);--duration-fast:.15s;--duration:.3s;--duration-slow:.5s;--sidebar-bg:#ffffffa6;--sidebar-text:#3d3d5c;--sidebar-text-dim:#3d3d5c80;--sidebar-border:#0000000d;--sidebar-hover:#0d94880f;--sidebar-active-bg:#0d94881a;--sidebar-icon:#3d3d5c66;--login-card-bg:#ffffffe0;--login-hero-deco:#0d94880f;--el-bg-color:var(--bg-surface);--el-bg-color-overlay:var(--bg-elevated);--el-bg-color-page:var(--bg-base);--el-text-color-primary:var(--text-primary);--el-text-color-regular:var(--text-secondary);--el-text-color-secondary:var(--text-tertiary);--el-text-color-placeholder:var(--text-disabled);--el-border-color:var(--border-default);--el-border-color-light:var(--border-subtle);--el-border-color-lighter:var(--border-subtle);--el-fill-color:var(--bg-overlay);--el-fill-color-light:var(--bg-elevated);--el-fill-color-lighter:var(--bg-surface);--el-fill-color-blank:var(--bg-surface);--el-mask-color:#0006;--el-mask-color-extra-light:#00000026;--van-primary-color:var(--accent-blue);--van-success-color:var(--accent-green);--van-danger-color:var(--accent-red);--van-warning-color:var(--accent-amber);--van-background-2:var(--bg-surface);--van-background:var(--bg-base);--van-text-color:var(--text-primary);--van-text-color-2:var(--text-secondary);--van-text-color-3:var(--text-tertiary);--van-border-color:var(--border-default);--van-active-color:var(--bg-overlay);--van-nav-bar-background:#ffffffdb;--van-tabbar-background:#fffffff0;--van-card-background:var(--bg-surface)}[data-theme=dark]{--bg-base:#0b0b16;--bg-surface:#16162a;--bg-elevated:#1e1e36;--bg-overlay:#22223c;--bg-input:#1a1a30;--text-primary:#eaeaef;--text-secondary:#acacc2;--text-tertiary:#70708a;--text-disabled:#4a4a62;--border-default:#2a2a48;--border-subtle:#22223c;--border-strong:#363658;--accent-blue:#2dd4bf;--accent-purple:#22d3ee;--accent-cyan:#38bdf8;--accent-green:#34d399;--accent-amber:#fbbf24;--accent-red:#f87171;--accent-pink:#f472b6;--glow-blue:#2dd4bf26;--glow-purple:#22d3ee26;--glow-cyan:#38bdf826;--glass-bg:#16162aa6;--glass-border:#ffffff0f;--glass-blur:20px;--shadow-sm:0 1px 2px #0000004d, 0 2px 8px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 28px #00000059;--shadow-xl:0 16px 48px #0006;--shadow-glow:0 0 24px var(--glow-blue);--sidebar-bg:#16162ab3;--sidebar-text:#c8c8dc;--sidebar-text-dim:#c8c8dc66;--sidebar-border:#ffffff0a;--sidebar-hover:#2dd4bf14;--sidebar-active-bg:#2dd4bf24;--sidebar-icon:#c8c8dc59;--login-card-bg:#16162ae0;--login-hero-deco:#2dd4bf14;--el-bg-color:var(--bg-surface);--el-bg-color-overlay:var(--bg-elevated);--el-bg-color-page:var(--bg-base);--el-text-color-primary:var(--text-primary);--el-text-color-regular:var(--text-secondary);--el-text-color-secondary:var(--text-tertiary);--el-text-color-placeholder:var(--text-disabled);--el-border-color:var(--border-default);--el-border-color-light:var(--border-subtle);--el-border-color-lighter:var(--border-subtle);--el-fill-color:var(--bg-overlay);--el-fill-color-light:var(--bg-elevated);--el-fill-color-lighter:var(--bg-surface);--el-fill-color-blank:var(--bg-surface);--el-mask-color:#000000b3;--el-mask-color-extra-light:#0000004d;--van-primary-color:var(--accent-blue);--van-success-color:var(--accent-green);--van-danger-color:var(--accent-red);--van-warning-color:var(--accent-amber);--van-background-2:var(--bg-surface);--van-background:var(--bg-base);--van-text-color:var(--text-primary);--van-text-color-2:var(--text-secondary);--van-text-color-3:var(--text-tertiary);--van-border-color:var(--border-default);--van-active-color:var(--bg-overlay);--van-nav-bar-background:#16162aeb;--van-tabbar-background:#16162af5;--van-card-background:var(--bg-surface)}[data-theme=dark] .login-card{background:#16162aeb}[data-theme=dark] .login-hero h1{color:#fffffff2}[data-theme=dark] .login-hero h1 span{background:linear-gradient(135deg,#2dd4bf 30%,#22d3ee 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}[data-theme=dark] .login-hero .hero-sub,[data-theme=dark] .hero-feature{color:#c8c8dcb3}[data-theme=dark] .el-card{-webkit-backdrop-filter:none!important;backdrop-filter:none!important;background:linear-gradient(135deg,#1e1e38,#18182e)!important;border:1px solid #2dd4bf1a!important;box-shadow:0 2px 8px #00000059,inset 0 1px #2dd4bf0a!important}[data-theme=dark] .el-card:before{content:"";pointer-events:none;background:linear-gradient(90deg,#0000,#2dd4bf26,#0000);height:1px;position:absolute;top:0;left:0;right:0}[data-theme=dark] .el-card:hover{border-color:#2dd4bf33!important;box-shadow:0 8px 32px #0006,0 0 28px #2dd4bf14,inset 0 1px #2dd4bf0f!important}[data-theme=dark] .el-card__header{border-bottom-color:#2dd4bf0f!important}[data-theme=dark] .bento-cell{background:linear-gradient(135deg,#1e1e38,#18182e);border-color:#2dd4bf1a;position:relative;overflow:hidden;box-shadow:0 2px 8px #00000059,inset 0 1px #2dd4bf0a;-webkit-backdrop-filter:none!important;backdrop-filter:none!important}[data-theme=dark] .bento-cell:before{content:"";pointer-events:none;background:linear-gradient(90deg,#0000,#2dd4bf1f,#0000);height:1px;position:absolute;top:0;left:0;right:0}[data-theme=dark] .bento-cell:hover{border-color:#2dd4bf33;box-shadow:0 8px 32px #0006,0 0 28px #2dd4bf1a,inset 0 1px #2dd4bf0f}*,:before,:after{box-sizing:border-box}body{min-width:320px;color:var(--text-primary);background:radial-gradient(circle at top left, var(--glow-blue), transparent 30%), radial-gradient(circle at top right, var(--glow-purple), transparent 24%), radial-gradient(circle at bottom left, var(--glow-cyan), transparent 24%), var(--bg-base);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background var(--duration-slow), color var(--duration-slow);background-attachment:fixed;min-height:100vh;margin:0;font-size:14px;line-height:1.65}#app{min-height:100vh}::selection{background:var(--accent-blue);color:#fff}[data-theme=light] ::selection{background:var(--accent-blue);color:#fff}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.page-enter-active{transition:opacity var(--duration) var(--ease-out)}.page-enter-from{opacity:0}.fade-enter-active{transition:opacity var(--duration) var(--ease-out)}.fade-enter-from{opacity:0}.page{min-height:100dvh;padding:32px 28px}.shell{max-width:1520px;transition:grid-template-columns var(--duration) var(--ease-out);grid-template-columns:248px minmax(0,1fr);gap:28px;margin:0 auto;display:grid;position:relative}.sidebar-collapsed .shell{grid-template-columns:76px minmax(0,1fr)}.sidebar{background:var(--sidebar-bg);height:calc(100vh - 64px);-webkit-backdrop-filter:blur(var(--glass-blur));border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid var(--glass-border);transition:background var(--duration-slow), border-color var(--duration-slow), box-shadow var(--duration-slow);flex-direction:column;display:flex;position:sticky;top:32px;overflow:hidden}[data-theme=dark] .page--student .sidebar{background:#0a0e1499}.sidebar-backdrop{display:none}.collapse-toggle{cursor:pointer;color:var(--sidebar-text-dim);transition:color var(--duration-fast), background var(--duration-fast);border-top:1px solid var(--sidebar-border);justify-content:center;align-items:center;margin-top:auto;padding:14px 12px;display:flex}.collapse-toggle:hover{color:var(--text-primary);background:var(--sidebar-hover)}.collapse-toggle .el-icon{font-size:16px}.sidebar-collapsed .sidebar{width:76px;min-width:76px}.sidebar-collapsed .brand{justify-content:center;padding:18px 14px;display:flex}.sidebar-collapsed .brand-logo{gap:0}.sidebar-collapsed .brand-icon{width:36px;height:36px;font-size:15px}.sidebar-collapsed .el-menu{padding:6px 4px}.sidebar-collapsed .el-menu-item{justify-content:center;padding:0 8px!important}.sidebar-collapsed .el-menu-item .el-icon{margin-right:0!important}.sidebar-collapsed .sidebar-footer{display:none}.brand{border-bottom:1px solid var(--sidebar-border);padding:24px 20px 20px}.brand-logo{align-items:center;gap:12px;display:flex}.brand-icon{background:var(--gradient-primary);color:#fff;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:17px;font-weight:700;display:flex}.brand h2{color:var(--text-primary);letter-spacing:-.2px;margin:0;font-size:17px;font-weight:700;line-height:1.2}.brand p{color:var(--text-tertiary);font-size:var(--text-label);letter-spacing:.2px;margin:3px 0 0}.user-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;align-items:center;gap:10px;margin:14px 14px 8px;padding:12px 14px;display:flex}.user-avatar{background:var(--gradient-primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:14px;font-weight:700;display:flex}.user-name{font-size:var(--text-caption);color:var(--text-primary);font-weight:600}.user-role{font-size:var(--text-label);color:var(--text-tertiary)}.user-pulse{background:var(--accent-cyan);border-radius:50%;width:8px;height:8px;margin-left:auto;box-shadow:0 0 #06b6d480}.el-menu{flex:1;padding:6px 10px;overflow-y:auto;background:0 0!important;border-right:none!important}.el-menu-item,.el-sub-menu__title{transition:background var(--duration-fast), color 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.el-menu-item{height:38px!important;padding-left:28px!important;font-size:12px!important;line-height:38px!important}.sidebar-footer{border-top:1px solid var(--sidebar-border);font-size:var(--text-label);color:var(--text-disabled);text-align:center;letter-spacing:.3px;padding:14px 20px}.sidebar-header{display:contents}.mobile-hamburger{cursor:pointer;width:36px;height:36px;color:var(--sidebar-text);border-radius:var(--radius-sm);transition:background var(--duration-fast);justify-content:center;align-items:center;display:none}.mobile-hamburger:hover{background:var(--sidebar-hover)}.content{align-content:start;gap:24px;display:grid}.page-title{border-bottom:1px solid var(--border-default);justify-content:space-between;align-items:flex-end;gap:16px;min-height:90px;margin-bottom:6px;padding:8px 4px 18px;display:flex;position:relative}.page-title:after{content:"";background:linear-gradient(90deg, var(--accent-blue), #0d948800);will-change:transform;border-radius:999px;width:100px;height:3px;position:absolute;bottom:-1px;left:4px}.page--student .page-title:after{background:linear-gradient(90deg, var(--accent-cyan), #06b6d400)}.page-title h1{font-size:var(--text-page-title);letter-spacing:-.4px;color:var(--text-primary);margin:0;font-weight:700;line-height:1.2}.page-title p{color:var(--text-tertiary);font-size:var(--text-caption);margin:5px 0 0;line-height:1.6}.page-title__copy{min-width:0}.page-title__meta{flex-wrap:wrap;gap:8px;margin-bottom:10px;display:flex}.page-chip{min-height:28px;color:var(--accent-blue);letter-spacing:.3px;background:#3b82f61a;border-radius:999px;align-items:center;padding:0 12px;font-size:11px;font-weight:600;display:inline-flex}.page-chip--soft{color:var(--text-secondary);border:1px solid var(--border-default);background:#ffffff0a}.page--student .page-chip{color:var(--accent-cyan);background:#06b6d41a}.muted{color:var(--text-tertiary)}.text-page-title{font-size:var(--text-page-title);color:var(--text-primary);letter-spacing:-.3px;font-weight:700;line-height:1.3}.text-section-title{font-size:var(--text-section-title);color:var(--text-primary);font-weight:700;line-height:1.4}.text-card-title{font-size:var(--text-card-title);color:var(--text-primary);font-weight:600;line-height:1.4}.text-body{font-size:var(--text-body);color:var(--text-secondary);line-height:1.6}.text-caption{font-size:var(--text-caption);color:var(--text-tertiary);line-height:1.6}.text-small{font-size:var(--text-small);color:var(--text-tertiary);line-height:1.5}.text-label{font-size:var(--text-label);color:var(--text-tertiary);letter-spacing:.4px;font-weight:600;line-height:1.4}.login-page{background:radial-gradient(circle at 15% 20%, var(--accent-blue), transparent 40%), radial-gradient(circle at 85% 30%, var(--accent-purple), transparent 35%), radial-gradient(circle at 50% 80%, var(--accent-cyan), transparent 30%), var(--bg-base);grid-template-columns:minmax(0,1fr) 460px;gap:0;min-height:100dvh;display:grid;position:relative;overflow:hidden}.login-logo{z-index:10;cursor:pointer;-webkit-user-select:none;user-select:none;transition:opacity var(--duration-fast) var(--ease-out);position:fixed;top:24px;left:28px}.login-logo:hover{opacity:.9}.login-logo:before{content:"";border-radius:calc(var(--radius) + 4px);z-index:-1;transition:opacity var(--duration-fast), transform var(--duration-fast);opacity:0;background:linear-gradient(135deg,#0d94881f,#0891b214);position:absolute;inset:-3px}.login-logo:hover:before{opacity:1;transform:scale(1.04)}.login-logo-icon{border-radius:var(--radius);object-fit:contain;-webkit-backdrop-filter:blur(12px);width:54px;height:54px;transition:border-color var(--duration-fast), box-shadow var(--duration-fast);background:#ffffffb3;border:1px solid #0d948826;padding:10px;display:block}.login-logo:hover .login-logo-icon{border-color:#0d94884d;box-shadow:0 0 20px #0d948814}[data-theme=dark] .login-logo-icon{background:#16162ab3;border-color:#2dd4bf1f}[data-theme=dark] .login-logo:hover .login-logo-icon{border-color:#2dd4bf40;box-shadow:0 0 20px #2dd4bf14}[data-theme=dark] .login-logo:before{background:linear-gradient(135deg,#2dd4bf1f,#22d3ee14)}.login-page:before{content:"";pointer-events:none;z-index:0;width:400px;height:400px;animation:float-subtle 7s var(--ease-out) infinite;border:1px solid #0d94881a;border-radius:50%;position:absolute;top:12%;right:40%}.login-page:after{content:"";pointer-events:none;z-index:0;width:220px;height:220px;animation:float-subtle 5.5s var(--ease-out) infinite 1.5s;border:1px solid #0891b214;border-radius:50%;position:absolute;bottom:6%;left:30%}.login-hero{z-index:1;will-change:transform;flex-direction:column;justify-content:center;padding:72px 72px 64px;display:flex;position:relative;overflow:hidden}.login-hero:before{content:"";background:var(--accent-blue);width:52px;height:3px;position:absolute;top:48px;left:72px}.login-hero:after{content:"";background:radial-gradient(circle, var(--login-hero-deco), transparent 65%);pointer-events:none;z-index:-1;width:300px;height:300px;animation:float-subtle 8s var(--ease-out) infinite 2s;border-radius:50%;position:absolute;bottom:-10px;right:8%}.login-hero h1{letter-spacing:-2px;color:#fffffff2;text-shadow:0 2px 40px #0000001a;margin:0 0 16px;font-size:60px;font-weight:750;line-height:1.02}.login-hero h1 span{background:linear-gradient(135deg,#fff 30%,#fff9 100%);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;background-clip:text}.login-hero .hero-sub{color:#ffffffb3;text-shadow:0 1px 20px #00000014;max-width:420px;margin:0 0 44px;font-size:16px;line-height:1.8}.hero-divider{background:linear-gradient(90deg,#fff9,#fff3);border-radius:2px;width:56px;height:3px;margin-bottom:28px}.hero-features{flex-direction:column;gap:14px;display:flex;position:relative}.hero-feature{color:#ffffffbf;border-radius:var(--radius);transition:background var(--duration-fast), transform var(--duration-fast) var(--ease-out);will-change:transform;cursor:default;align-items:center;gap:14px;padding:8px 14px 8px 8px;font-size:14px;display:flex}.hero-feature:hover{background:#ffffff14;transform:translate(6px)}.hero-feature-icon{border-radius:var(--radius-sm);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;width:34px;height:34px;transition:transform var(--duration-fast) var(--ease-out), background var(--duration-fast);background:linear-gradient(135deg,#0d948833,#0891b226);flex-shrink:0;justify-content:center;align-items:center;font-size:15px;display:flex;box-shadow:0 0 12px #0d948814}.hero-feature:nth-child(2) .hero-feature-icon{background:linear-gradient(135deg,#0891b233,#0284c726)}.hero-feature:nth-child(3) .hero-feature-icon{background:linear-gradient(135deg,#05966933,#0d948826)}.hero-feature:nth-child(4) .hero-feature-icon{background:linear-gradient(135deg,#d9770633,#0d948826)}.hero-feature:hover .hero-feature-icon{background:#fff3;transform:scale(1.1)}.login-card{z-index:1;-webkit-backdrop-filter:blur(24px);background:#fffffff0;border-left:1px solid #0d948814;flex-direction:column;justify-content:center;padding:56px 52px;display:flex;position:relative;box-shadow:-8px 0 48px #0000000d}.login-card:before{content:"";opacity:1;background:linear-gradient(#0000,#0d948826,#0000);width:2px;position:absolute;top:6%;bottom:6%;left:0}.login-card h2{color:var(--text-primary);letter-spacing:-.5px;margin:0 0 4px;font-size:26px;font-weight:700}.login-card .login-muted{color:var(--text-tertiary);margin:0 0 28px;font-size:14px}.login-card .login-muted:after{content:"";background:var(--accent-blue);opacity:.3;border-radius:1px;width:24px;height:2px;margin-top:12px;display:block}.form-item-role{margin-bottom:24px}.form-item-role .el-form-item__label{font-weight:600}.form-item-role .el-segmented{width:100%}.form-item-role .el-segmented .el-segmented__item{flex:1;justify-content:center}.login-form-footnote{text-align:center;color:var(--text-tertiary);margin-top:18px;padding-top:0;font-size:12px}.login-form .el-form-item{margin-bottom:22px}.login-form .el-input__wrapper{height:44px;box-shadow:0 0 0 1px var(--border-default) inset!important;background:var(--bg-input)!important;transition:box-shadow var(--duration-fast), background var(--duration-fast)!important;border-radius:10px!important;padding-left:14px!important}.login-form .el-input__wrapper:hover{box-shadow:0 0 0 1px var(--accent-blue) inset!important;background:var(--bg-surface)!important}.login-form 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16px}.shell{grid-template-columns:1fr;gap:16px}.sidebar{z-index:20;border-radius:16px;flex-wrap:wrap;height:auto;padding:0;position:relative}.sidebar-header{align-items:center;width:100%;min-height:52px;padding:0 16px;display:flex}.brand{border-bottom:none;flex:1;padding:12px 0}.mobile-hamburger{display:flex}.user-card,.collapse-toggle{display:none}.sidebar-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10;background:#0006;display:block;position:fixed;inset:0}.el-menu{flex-basis:100%;order:2;width:100%;display:none}.sidebar.menu-open .el-menu{border-top:1px solid var(--sidebar-border);display:block}.sidebar-footer{display:none}.bento-grid{grid-template-columns:repeat(2,1fr)}.bento-cell-wide{grid-column:span 1}.answer-layout{grid-template-columns:1fr}.answer-index{position:static}.theme-toggle{top:auto;bottom:70px;right:20px}.logout-button{top:auto;bottom:24px;right:20px}.student-mobile-shell .el-row{margin-left:0!important;margin-right:0!important}.student-mobile-shell .el-row>[class*=el-col]{padding-left:0!important;padding-right:0!important}.student-mobile-shell .results-toolbar,.student-mobile-shell .practice-toolbar,.student-mobile-shell .result-card__footer,.student-mobile-shell .practice-card__header,.student-mobile-shell .exam-section__header,.student-mobile-shell .nb-meta{flex-direction:column;align-items:stretch;gap:10px}.student-mobile-shell .result-card__inner,.student-mobile-shell .profile-hero{flex-direction:column;align-items:flex-start}.student-mobile-shell .result-progress{align-self:center}.student-mobile-shell .result-card__name,.student-mobile-shell .exam-card__name{white-space:normal}.student-mobile-shell .practice-category-select,.student-mobile-shell .practice-fill-input,.student-mobile-shell .info-row.editing .el-input{width:100%;min-width:0;max-width:none}.student-mobile-shell .profile-page{max-width:none;margin:0;padding:0}.student-mobile-shell .page-title{display:none}.student-mobile-shell .profile-card{padding:20px 16px}.student-mobile-shell .profile-card:before{left:16px;right:16px}.student-mobile-shell .info-row{flex-direction:column;align-items:flex-start;gap:8px}.student-mobile-shell .info-label{width:auto}.student-mobile-shell .profile-actions{flex-direction:column;justify-content:stretch}.student-mobile-shell .profile-actions .el-button{width:100%}.student-mobile-shell .practice-actions{background:linear-gradient(180deg, transparent, var(--bg-base) 32%);padding-top:12px;padding-bottom:8px;position:sticky;bottom:0}.student-mobile-shell .answer-layout{flex-direction:column;gap:12px;display:flex}.student-mobile-shell .answer-index{width:100%;position:static}.student-mobile-shell .q-nav-btn{border-radius:10px;width:36px;height:36px}}@media (width<=720px){.page-title{flex-direction:column;align-items:flex-start;min-height:auto}.page-title h1{font-size:24px}.logout-role{display:none}}@media (width<=560px){.page{padding:14px 12px 88px}.shell{gap:12px}.theme-toggle{bottom:58px;right:12px}.logout-button{left:12px;right:12px;bottom:calc(68px + env(safe-area-inset-bottom));justify-content:center}.theme-toggle{bottom:calc(114px + env(safe-area-inset-bottom))}}