/* auth.css */
body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;
    background: linear-gradient(135deg, #e0eafc 0%, #cfdef3 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.auth-card {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 380px;
    box-sizing: border-box;
}

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

.auth-header h1 {
    margin: 0;
    color: #2c3e50;
    font-size: 24px;
}

.auth-header p {
    color: #7f8c8d;
    font-size: 14px;
    margin-top: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #34495e;
    font-weight: bold;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    border-color: #3498db;
    outline: none;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background-color: #27ae60;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background-color: #219150;
}

.auth-footer {
    text-align: center;
    margin-top: 25px;
    font-size: 14px;
    color: #7f8c8d;
}

.auth-footer a {
    color: #3498db;
    text-decoration: none;
}

.error-msg {
    background: #fdf2f2;
    color: #d32f2f;
    padding: 10px;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 20px;
    text-align: center;
}