:root {
    --primary: #ffdd45;
    --secondary: #08090b;
    --dark: #0a0d12;
    --light: #f5f7ff;
    --border: rgba(255, 255, 255, 0.1);
    --text: #cad3ff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(180deg, #0a0d12 0%, #14191d 100%);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 900px;
    padding: 20px;
}

.auth-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.auth-card h1 {
    grid-column: 1 / -1;
    font-size: 2.5rem;
    color: var(--light);
    margin-bottom: 8px;
}

.auth-card .subtitle {
    grid-column: 1 / -1;
    color: var(--primary);
    margin-bottom: 32px;
}

#loginForm {
    grid-column: 1;
}

#registerForm {
    grid-column: 2;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--light);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.button {
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.button-primary {
    background: var(--primary);
    color: var(--secondary);
}

.button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(255, 221, 69, 0.3);
}

.button-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    border: 1px solid var(--border);
}

.button-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.divider {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text);
    margin: 20px 0;
}

.back-link {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--primary);
    text-decoration: none;
    margin-top: 20px;
}

.back-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .auth-card {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
    }

    #loginForm,
    #registerForm {
        grid-column: 1;
    }

    .auth-card h1 {
        font-size: 1.8rem;
    }
}