:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}html,body{width:100%;height:100%}input::-ms-clear,input::-ms-reveal{display:none}*,*:before,*:after{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:rgba(0,0,0,0)}body{margin:0}[tabindex="-1"]:focus{outline:none}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5em;font-weight:500}p{margin-top:0;margin-bottom:1em}abbr[title],abbr[data-original-title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;border-bottom:0;cursor:help}address{margin-bottom:1em;font-style:normal;line-height:inherit}input[type=text],input[type=password],input[type=number],textarea{-webkit-appearance:none}ol,ul,dl{margin-top:0;margin-bottom:1em}ol ol,ul ul,ol ul,ul ol{margin-bottom:0}dt{font-weight:500}dd{margin-bottom:.5em;margin-left:0}blockquote{margin:0 0 1em}dfn{font-style:italic}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}pre,code,kbd,samp{font-size:1em;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace}pre{margin-top:0;margin-bottom:1em;overflow:auto}figure{margin:0 0 1em}img{vertical-align:middle;border-style:none}a,area,button,[role=button],input:not([type=range]),label,select,summary,textarea{touch-action:manipulation}table{border-collapse:collapse}caption{padding-top:.75em;padding-bottom:.3em;text-align:left;caption-side:bottom}input,button,select,optgroup,textarea{margin:0;color:inherit;font-size:inherit;font-family:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}button,html [type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{padding:0;border-style:none}input[type=radio],input[type=checkbox]{box-sizing:border-box;padding:0}input[type=date],input[type=time],input[type=datetime-local],input[type=month]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;margin:0;padding:0;border:0}legend{display:block;width:100%;max-width:100%;margin-bottom:.5em;padding:0;color:inherit;font-size:1.5em;line-height:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item}template{display:none}[hidden]{display:none!important}#root{margin:0;padding:0;min-height:100vh}.ant-layout{background:#f0f2f5}.grade-input-section{margin-bottom:24px}.grade-stats-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:8px;padding:24px;margin-bottom:24px}.grade-stats-card .ant-statistic-title{color:#fffc}.grade-stats-card .ant-statistic-content{color:#fff}.chart-container{background:#fff;border-radius:8px;padding:24px;margin-bottom:24px;box-shadow:0 2px 8px #0000001a}.subject-grade-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;margin-bottom:8px;background:#fafafa;border-radius:6px;border-left:4px solid #1890ff}.grade-excellent{border-left-color:#52c41a}.grade-good{border-left-color:#faad14}.grade-poor{border-left-color:#ff4d4f}.analysis-section{margin-top:32px}.result-card{background:#fff;border-radius:8px;padding:24px;margin-bottom:16px;box-shadow:0 2px 8px #0000001a}.target-university-card{border:2px solid #1890ff;background:linear-gradient(135deg,#f0f8ff,#e6f7ff)}.action-buttons{position:sticky;bottom:24px;z-index:100;display:flex;justify-content:center;gap:16px}.floating-button{border-radius:24px;box-shadow:0 4px 12px #00000026}.explanation-text{background:#f6ffed;border:1px solid #b7eb8f;border-radius:6px;padding:16px;margin:16px 0}.warning-text{background:#fff2e8;border:1px solid #ffd591;border-radius:6px;padding:16px;margin:16px 0}.error-text{background:#fff1f0;border:1px solid #ffccc7;border-radius:6px;padding:16px;margin:16px 0}@media(max-width:768px){.ant-layout-content{padding:16px!important}.chart-container,.result-card{padding:16px}}.loading-container{display:flex;justify-content:center;align-items:center;height:200px}.grade-1{color:#52c41a;font-weight:700}.grade-2{color:#73d13d;font-weight:700}.grade-3{color:#95de64;font-weight:700}.grade-4{color:#faad14;font-weight:700}.grade-5{color:#fa8c16}.grade-6{color:#fa541c}.grade-7{color:#ff4d4f}.grade-8{color:#ff7875}.grade-9{color:#f99}.progress-section{background:#fff;border-radius:8px;padding:24px;margin-bottom:24px;box-shadow:0 2px 8px #0000001a}.step-indicator{display:flex;justify-content:space-between;margin-bottom:32px}.step-item{text-align:center;flex:1;position:relative}.step-item:not(:last-child):after{content:"";position:absolute;top:20px;right:-50%;width:100%;height:2px;background:#f0f0f0;z-index:0}.step-item.completed:not(:last-child):after{background:#52c41a}.step-number{width:40px;height:40px;border-radius:50%;background:#f0f0f0;color:#999;display:flex;align-items:center;justify-content:center;margin:0 auto 8px;position:relative;z-index:1;font-weight:700}.step-item.completed .step-number{background:#52c41a;color:#fff}.step-item.active .step-number{background:#1890ff;color:#fff}.step-title{font-size:12px;color:#666;margin:0}.step-item.active .step-title{color:#1890ff;font-weight:700}