:root {
    --primary-blue: #004A99;
    --dark-bg: #FFFFFF;
    --light-bg: #F8F9FA;
    --text-dark: #333333;
    --border-grey: #DEE2E6;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.auth-card {
    background: white;
    width: 440px;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    text-align: center;
}

.logo img {
    height: 50px;
    margin-bottom: 30px;
}

h2 {
    margin: 0 0 20px;
    color: var(--text-dark);
}

.input-group {
    text-align: left;
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #666;
}

input {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border-grey);
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 16px;
}

input:focus {
    border-color: var(--primary-blue);
    outline: none;
}

.btn-auth {
    background-color: var(--primary-blue);
    color: white;
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
}

.btn-auth:hover {
    background-color: #003366;
}

.divider {
    margin: 30px 0;
    height: 1px;
    background: #EEE;
    position: relative;
}

.divider span {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 0 10px;
    color: #AAA;
    font-size: 14px;
}

.social-login {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid #DDD;
    background: white;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

.signup-link {
    margin-top: 30px;
    font-size: 14px;
    color: #666;
}

.signup-link a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: bold;
}