*{
    margin: 0;
    padding: 0;
}
:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --text-muted: #666666;
    --bg-focus: #f0f0f0;
}

.theme-wrapper {
    background-color: var(--secondary-color);
    font-family: 'Inter', sans-serif;
    color: var(--primary-color);
}

.main-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
    min-height: 80vh;
}

.auth-card {
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.card-header h2 {
    font-size: 50px; 
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -2px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.card-header p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 400;
}

.input-block {
    margin-bottom: 15px;
}

.input-block input {
    width: 100%;
    padding: 18px;
    border: 2px solid var(--primary-color);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    outline: none;
    box-sizing: border-box;
    transition: background 0.2s;
}

.input-block input:focus {
    background-color: var(--bg-focus);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0 30px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.btn-primary {
    width: 100%;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 20px;
    border: none;
    font-weight: 900;
    font-size: 16px;
    letter-spacing: 1px;
    cursor: pointer;
    text-transform: uppercase;
    transition: 0.3s;
}

.btn-primary:hover {
    background-color: #333;
    letter-spacing: 3px;
}

.card-footer {
    margin-top: 30px;
    font-size: 12px;
    font-weight: 700;
}

.card-footer a {
    color: var(--primary-color);
    text-decoration: underline;
    margin-left: 5px;
}

.back-link {
    text-decoration: none;
    color: var(--primary-color);
    font-size: 15px;
    font-weight: 800;
}