/* 登录页面特定样式 */
body {
    background: linear-gradient(135deg, #e0f7fa, #b2ebf2);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

.login-container {
    width: 100%;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 150, 136, 0.2);
    transition: all 0.3s ease;
}

.login-container:hover {
    box-shadow: 0 15px 40px rgba(0, 150, 136, 0.3);
}

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

.login-header h1 {
    color: #00897b;
    font-size: 28px;
    margin-bottom: 5px;
}

.login-header p {
    color: #757575;
    font-size: 14px;
}

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

.login-form label {
    display: block;
    margin-bottom: 8px;
    color: #00897b;
    font-weight: 500;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #b2dfdb;
    border-radius: 6px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus {
    border-color: #00897b;
    box-shadow: 0 0 0 3px rgba(0, 137, 123, 0.2);
    outline: none;
}

.captcha-group {
    margin-bottom: 25px;
}

.captcha-input {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-input input {
    flex: 1;
}

.captcha-img {
    height: 40px;
    cursor: pointer;
    border-radius: 4px;
    border: 1px solid #b2dfdb;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background-color: #00897b;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.login-btn:hover {
    background-color: #00695c;
}

.alert {
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 6px;
    font-size: 14px;
}

.alert-error {
    background-color: #ffebee;
    color: #c62828;
    border-left: 4px solid #ef5350;
}

.no-orders {
    text-align: center;
    padding: 30px;
    color: #757575;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
}