CapacityReport/static/login.html

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录 - 容量报表处理程序</title>
    <link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>📊</text></svg>">
    <style>
        :root {
            --brand-color: #0052d9;
            --brand-hover: #0034b5;
            --text-primary: rgba(0, 0, 0, 0.9);
            --text-secondary: rgba(0, 0, 0, 0.6);
            --text-placeholder: rgba(0, 0, 0, 0.4);
            --bg-page: #f3f3f3;
            --bg-container: #ffffff;
            --bg-component: #f3f3f3;
            --border-color: #dcdcdc;
            --shadow: 0 6px 30px 5px rgba(0,0,0,0.05), 0 16px 24px 2px rgba(0,0,0,0.04), 0 8px 10px -5px rgba(0,0,0,0.08);
            --radius: 12px;
            --transition: 0.2s cubic-bezier(0.38, 0, 0.24, 1);
            --error-color: #e34d59;
            --success-color: #00a870;
            --warning-color: #ed7b2f;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
        }

        @media (prefers-color-scheme: dark) {
            :root {
                --brand-color: #4787f0;
                --brand-hover: #618dff;
                --text-primary: rgba(255, 255, 255, 0.9);
                --text-secondary: rgba(255, 255, 255, 0.55);
                --text-placeholder: rgba(255, 255, 255, 0.35);
                --bg-page: #1b1b1b;
                --bg-container: #242424;
                --bg-component: #2c2c2c;
                --border-color: #5e5e5e;
                --shadow: 0 6px 30px 5px rgba(0,0,0,0.15), 0 16px 24px 2px rgba(0,0,0,0.12), 0 8px 10px -5px rgba(0,0,0,0.24);
            }
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html, body { height: 100%; }

        body {
            font-family: var(--font-family);
            background: var(--bg-page);
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .login-container {
            width: 380px;
            padding: 48px 40px;
            background: var(--bg-container);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
        }

        .login-logo { font-size: 56px; margin-bottom: 8px; line-height: 1; }
        .login-title { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; letter-spacing: 0.5px; }
        .login-subtitle { font-size: 14px; color: var(--text-secondary); margin-bottom: 32px; }

        .login-form { text-align: left; }

        .form-group { margin-bottom: 0; }
        .form-group label {
            display: block;
            margin-bottom: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-primary);
        }

        .form-input {
            width: 100%;
            height: 40px;
            padding: 0 12px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 14px;
            color: var(--text-primary);
            background: var(--bg-container);
            transition: all var(--transition);
            outline: none;
        }

        .form-input:focus {
            border-color: var(--brand-color);
            box-shadow: 0 0 0 2px rgba(0, 82, 217, 0.2);
        }

        .form-input[readonly] {
            background: var(--bg-component);
            color: var(--text-secondary);
            cursor: not-allowed;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 40px;
            margin-top: 24px;
            padding: 0 24px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            border: none;
            cursor: pointer;
            background: var(--brand-color);
            color: #fff;
            transition: all var(--transition);
        }

        .btn:hover { background: var(--brand-hover); }
        .btn:disabled { opacity: 0.5; cursor: not-allowed; }

        .toast {
            position: fixed;
            top: 24px;
            left: 50%;
            transform: translateX(-50%) translateY(-120%);
            padding: 10px 20px;
            border-radius: 6px;
            font-size: 13px;
            color: #fff;
            opacity: 0;
            transition: all 0.3s ease;
            z-index: 9999;
            white-space: nowrap;
        }
        .toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
        .toast.error { background: var(--error-color); }
        .toast.success { background: var(--success-color); }
        .toast.warning { background: var(--warning-color); }
    </style>
</head>
<body>
    <div class="login-container">
        <div class="login-logo">📊</div>
        <h2 class="login-title">CapacityReport</h2>
        <p class="login-subtitle">容量报表处理系统</p>
        <form class="login-form" id="loginForm" autocomplete="on">
            <div class="form-group">
                <label for="username">账号</label>
                <input type="text" id="username" name="username" class="form-input" value="root" readonly>
            </div>
            <div class="form-group" style="margin-top: 16px;">
                <label for="password">密码</label>
                <input type="password" id="password" name="password" class="form-input" placeholder="请输入密码" autofocus>
            </div>
            <button type="submit" class="btn" id="loginBtn">登录</button>
        </form>
    </div>
    <div class="toast" id="toast"></div>

    <script>
        function showToast(msg, type) {
            const t = document.getElementById('toast');
            t.textContent = msg;
            t.className = 'toast ' + (type || 'error');
            t.classList.add('show');
            setTimeout(() => { t.classList.remove('show'); }, 3000);
        }

        document.getElementById('loginForm').addEventListener('submit', async (e) => {
            e.preventDefault();
            const btn = document.getElementById('loginBtn');
            const password = document.getElementById('password').value;
            const username = document.getElementById('username').value;

            if (!password) {
                showToast('请输入密码', 'warning');
                return;
            }

            btn.disabled = true;
            btn.textContent = '登录中...';

            try {
                const res = await fetch('/api/login', {
                    method: 'POST',
                    headers: { 'Content-Type': 'application/json' },
                    body: JSON.stringify({ username, password })
                });

                if (!res.ok) {
                    const err = await res.json().catch(() => ({ detail: '登录失败' }));
                    throw new Error(err.detail || '账号或密码错误');
                }

                const data = await res.json();
                if (data.success && data.token) {
                    localStorage.setItem('token', data.token);
                    // 设置 cookie 供后端 / 路由判断
                    document.cookie = `token=${data.token}; path=/; max-age=${86400 * 30}; SameSite=Lax`;
                    showToast('登录成功', 'success');
                    setTimeout(() => { window.location.href = '/'; }, 300);
                }
            } catch (err) {
                showToast(err.message, 'error');
            } finally {
                btn.disabled = false;
                btn.textContent = '登录';
            }
        });
    </script>
</body>
</html>