:root {
    --primary: #ff3366;
    --secondary: #6610f2;
    --dark: #1a1a1a;
    --darker: #141414;
    --light: #f8f9fa;
    --text-gray: #a0a0a0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--darker);
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--light);
}

.auth-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.auth-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 4rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    position: relative;
}

.logo {
    text-align: center;
    margin-bottom: 3rem;
}

.logo h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--light);
}

.logo span {
    color: var(--primary);
}

.logo p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
    font-size: 1.2rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--light);
    font-weight: 500;
    font-size: 1.1rem;
}

.form-control {
    width: 100%;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: var(--light);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.1);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.btn {
    width: 100%;
    padding: 1.25rem;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #ff1744);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 51, 102, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--light);
    text-decoration: none;
}

.alert {
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: #ff6b7a;
}

.alert-success {
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid rgba(40, 167, 69, 0.3);
    color: #6bcf7f;
}

.auth-links {
    text-align: center;
    margin-top: 2.5rem;
}

.auth-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
}

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

.environment-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-development {
    background: rgba(40, 167, 69, 0.2);
    color: #6bcf7f;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.invite-info {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2.5rem;
}

.invite-info small {
    color: #ffd93d;
    line-height: 1.6;
    font-size: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.form-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.5rem;
}

.forgot-password {
    text-align: center;
    margin-top: 1.5rem;
}

.forgot-password a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.forgot-password a:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .auth-container {
        padding: 1rem;
    }

    .auth-card {
        padding: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .logo h1 {
        font-size: 2.5rem;
    }
}