body {
    background-color: #000000;
    color: #fff;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

/* Add starry background effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
}

.login-container {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-box {
    max-width: 400px;
    width: 100%;
    padding: 2.5rem;
    background: rgba(32, 32, 32, 0.8);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: #fff;
    font-size: 1.75rem;
    font-weight: 600;
}

.auth-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.auth-toggle-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

.auth-toggle-btn:hover {
    color: #fff;
}

.auth-toggle-btn.active {
    background: rgba(32, 32, 32, 0.95);
    color: #fff;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border-radius: 0.5rem;
    background: rgba(32, 32, 32, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1rem;
    box-sizing: border-box;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(32, 32, 32, 1);
}

.auth-button {
    width: 100%;
    padding: 0.75rem;
    background: rgba(32, 32, 32, 0.95);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 0.5rem;
}

.auth-button:hover {
    background: rgba(48, 48, 48, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
}

.auth-button:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.alert {
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    text-align: center;
    font-size: 0.875rem;
    background: rgba(32, 32, 32, 0.95);
}

.alert-error {
    border: 1px solid rgba(220, 38, 38, 0.4);
    color: #fca5a5;
}

.alert-success {
    border: 1px solid rgba(22, 163, 74, 0.4);
    color: #86efac;
}

.alert-info {
    border: 1px solid rgba(59, 130, 246, 0.4);
    color: #93c5fd;
}

.loading-spinner {
    display: none;
}

.auth-links {
    margin-top: 1rem;
    text-align: center;
}

.auth-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    margin: 0 0.5rem;
}

.auth-links a:hover {
    color: #fff;
    text-decoration: underline;
}