feat: implement Razor Pages and static HTML login pages
Added two implementations of login page: 1. Razor Pages (Pages/Login.cshtml + Login.cshtml.cs) - Server-side rendering with form submission - Username remembering with cookies - Error handling and validation 2. Static HTML (wwwroot/login.html) - Pure HTML/CSS/JavaScript - Client-side form submission - LocalStorage for username persistence - Direct API call to /api/auth/login Both implementations: ✅ Professional styling (dark theme, blur effects, primary blue buttons) ✅ Form validation ✅ Error message display ✅ ID persistence (LocalStorage/Cookies) ✅ Responsive design (mobile support) ✅ Integration with /api/auth/login endpoint Technical notes: - Blazor routing (@rendermode InteractiveServer) has limitations in .NET 10 Blazor Web App - Razor Pages and static files are bypassed by Blazor's catch-all routing - For production: recommend deploying login.html separately via nginx/reverse proxy - Or use URL pattern like /user/login (outside Blazor's @page definitions) Current workaround: - Manually access: http://localhost:5265/login.html (works) - API endpoint /api/auth/login is fully functional - Ready for frontend deployment separation Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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<!DOCTYPE html>
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<html lang="ko">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>로그인 - QuantEngine</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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html, body {
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width: 100%;
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height: 100%;
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
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}
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body {
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min-height: 100vh;
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display: flex;
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align-items: center;
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justify-content: center;
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background: linear-gradient(135deg, #0a0b16 0%, #13152e 100%);
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padding: 20px;
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}
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.login-container {
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width: 100%;
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max-width: 480px;
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background: rgba(255, 255, 255, 0.05);
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backdrop-filter: blur(24px);
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border: 1px solid rgba(255, 255, 255, 0.1);
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border-radius: 20px;
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padding: 48px 32px;
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box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
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}
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.login-header {
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text-align: center;
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margin-bottom: 40px;
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}
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.login-avatar {
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width: 56px;
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height: 56px;
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background: #3f51b5;
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color: white;
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 28px;
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font-weight: bold;
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margin: 0 auto 16px;
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}
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.login-title {
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color: white;
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font-size: 28px;
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font-weight: 600;
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margin: 0 0 8px 0;
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}
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.login-subtitle {
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color: rgba(255, 255, 255, 0.7);
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font-size: 14px;
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margin: 0;
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}
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.login-form {
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display: flex;
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flex-direction: column;
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gap: 16px;
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margin-bottom: 24px;
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}
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.form-group {
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display: flex;
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flex-direction: column;
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gap: 8px;
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}
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.form-label {
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color: rgba(255, 255, 255, 0.8);
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font-size: 13px;
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font-weight: 500;
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}
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.form-input {
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background-color: rgba(255, 255, 255, 0.08);
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border: 1px solid rgba(255, 255, 255, 0.2);
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border-radius: 6px;
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color: #ffffff;
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padding: 12px 14px;
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font-size: 14px;
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transition: all 0.2s ease;
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}
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.form-input::placeholder {
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color: rgba(255, 255, 255, 0.4);
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}
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.form-input:focus {
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outline: none;
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background-color: rgba(255, 255, 255, 0.12);
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border-color: rgba(63, 81, 181, 0.8);
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box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.2);
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}
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.form-checkbox {
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display: flex;
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align-items: center;
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gap: 8px;
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margin: 8px 0;
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}
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.checkbox-input {
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width: 18px;
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height: 18px;
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cursor: pointer;
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accent-color: #3f51b5;
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}
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.checkbox-label {
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color: rgba(255, 255, 255, 0.8);
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font-size: 14px;
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cursor: pointer;
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}
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.alert {
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padding: 12px 14px;
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border-radius: 6px;
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font-size: 13px;
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display: none;
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}
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.alert-error {
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background-color: rgba(244, 67, 54, 0.15);
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border: 1px solid rgba(244, 67, 54, 0.3);
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color: #ff7675;
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}
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.alert-error.show {
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display: block;
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}
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.btn {
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padding: 12px 16px;
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border: none;
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border-radius: 6px;
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font-size: 14px;
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font-weight: 600;
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cursor: pointer;
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transition: all 0.2s ease;
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}
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.btn-primary {
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background-color: #3f51b5;
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color: white;
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}
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.btn-primary:hover:not(:disabled) {
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background-color: #5566cc;
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box-shadow: 0 8px 24px rgba(63, 81, 181, 0.4);
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}
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.btn-primary:disabled {
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opacity: 0.7;
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cursor: not-allowed;
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}
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.login-footer {
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text-align: center;
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color: rgba(255, 255, 255, 0.5);
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font-size: 12px;
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border-top: 1px solid rgba(255, 255, 255, 0.1);
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padding-top: 16px;
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margin-top: 24px;
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}
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.login-footer p {
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margin: 0;
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}
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@media (max-width: 480px) {
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.login-container {
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padding: 32px 20px;
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}
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.login-title {
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font-size: 24px;
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}
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}
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</style>
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</head>
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<body>
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<div class="login-container">
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<div class="login-header">
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<div class="login-avatar">Q</div>
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<h1 class="login-title">QuantEngine</h1>
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<p class="login-subtitle">은퇴자산포트폴리오 우자 관리 시스템</p>
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</div>
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<div id="errorAlert" class="alert alert-error"></div>
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<form id="loginForm" class="login-form">
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<div class="form-group">
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<label for="username" class="form-label">관리자 아이디</label>
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<input
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type="text"
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id="username"
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name="username"
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class="form-input"
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placeholder="아이디를 입력하세요"
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required />
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</div>
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<div class="form-group">
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<label for="password" class="form-label">비밀번호</label>
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<input
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type="password"
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id="password"
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name="password"
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class="form-input"
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placeholder="비밀번호를 입력하세요"
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required />
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</div>
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<div class="form-checkbox">
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<input
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type="checkbox"
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id="rememberUsername"
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name="rememberUsername"
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class="checkbox-input" />
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<label for="rememberUsername" class="checkbox-label">
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다음에 아이디 자동 입력
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</label>
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</div>
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<button type="submit" class="btn btn-primary" id="loginBtn">
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로그인
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</button>
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</form>
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<div class="login-footer">
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<p>© 2026 QuantEngine. 모든 권리 예약.</p>
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</div>
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</div>
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<script>
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// LocalStorage에서 아이디 복원
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window.addEventListener('DOMContentLoaded', function() {
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const savedUsername = localStorage.getItem('quant_admin_username');
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if (savedUsername) {
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document.getElementById('username').value = savedUsername;
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document.getElementById('rememberUsername').checked = true;
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}
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});
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// 폼 제출 처리
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document.getElementById('loginForm').addEventListener('submit', async function(e) {
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e.preventDefault();
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const username = document.getElementById('username').value;
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const password = document.getElementById('password').value;
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const rememberUsername = document.getElementById('rememberUsername').checked;
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const errorAlert = document.getElementById('errorAlert');
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const loginBtn = document.getElementById('loginBtn');
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// 에러 메시지 초기화
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errorAlert.classList.remove('show');
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if (!username || !password) {
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errorAlert.textContent = '아이디와 비밀번호를 모두 입력해 주세요.';
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errorAlert.classList.add('show');
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return;
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}
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loginBtn.disabled = true;
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loginBtn.textContent = '인증 중...';
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try {
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const response = await fetch('/api/auth/login', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ username, password })
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});
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if (response.ok) {
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// 아이디 저장
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if (rememberUsername) {
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localStorage.setItem('quant_admin_username', username);
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} else {
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localStorage.removeItem('quant_admin_username');
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}
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// 로그인 성공 - 홈페이지로 이동
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window.location.href = '/';
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} else {
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errorAlert.textContent = '로그인 실패: 아이디 또는 비밀번호가 올바르지 않습니다.';
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errorAlert.classList.add('show');
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loginBtn.disabled = false;
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loginBtn.textContent = '로그인';
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}
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} catch (error) {
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errorAlert.textContent = `오류: ${error.message}`;
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errorAlert.classList.add('show');
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loginBtn.disabled = false;
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loginBtn.textContent = '로그인';
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}
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});
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</script>
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</body>
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</html>
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