:root {
    --primary-purple: #8A70D6;
    --light-purple: #D6CAF8;
    --white: #FFFFFF;
    --dark-text: #424040;
    --border-color: #F0F0F0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Urbanist', sans-serif;
}

body {
    background-color: var(--light-purple);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px 0;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.auth-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(138, 112, 214, 0.15);
    text-align: center;
}

.auth-header h1 {
    color: var(--dark-text);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-header p {
    color: #888;
    font-size: 14px;
    margin-bottom: 30px;
}

.logo-circle {
    width: 60px;
    height: 60px;
    background-color: var(--primary-purple);
    border-radius: 18px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-purple), #a38cf4);
}

.input-group {
    text-align: left;
    margin-bottom: 18px;
}

.input-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 8px;
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    outline: none;
    transition: all 0.3s ease;
    font-size: 14px;
    color: var(--dark-text);
}

.input-group input:focus {
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 4px rgba(138, 112, 214, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-purple);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-primary:hover {
    background-color: #765bc2;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(138, 112, 214, 0.3);
}

.auth-footer {
    margin-top: 25px;
    font-size: 14px;
    color: #888;
}

.auth-footer a {
    color: var(--primary-purple);
    text-decoration: none;
    font-weight: 700;
}

.register-mode {
    max-width: 650px; 
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px 25px;
    margin-bottom: 20px;
}

@media (max-width: 600px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .register-mode {
        max-width: 420px;
    }
}

.btn-primary {
    grid-column: span 1;
    width: 100%;
}