/* 登录页样式 */
:root {
    --primary-color: #00a896;
    --primary-light: #02c39a;
    --primary-dark: #028090;
    --bg-color: #f5f7fa;
    --text-color: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border-color: #e4e7ed;
    --error-color: #f56c6c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-header {
    text-align: center;
    color: #fff;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 8px;
}

.login-header p {
    font-size: 16px;
    opacity: 0.9;
}

.login-form {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.error-msg {
    background: #fef0f0;
    color: var(--error-color);
    padding: 10px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input {
    width: 100%;
    height: 46px;
    padding: 0 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 15px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-login {
    width: 100%;
    height: 46px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-login:hover {
    background: var(--primary-dark);
}

.login-footer {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 30px;
    font-size: 13px;
}