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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
}

.portal-card {
    background: white;
    border-radius: 16px;
    padding: 48px 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    margin-bottom: 24px;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

h1 {
    color: #1a1a1a;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.subtitle {
    color: #666;
    font-size: 16px;
    margin-bottom: 32px;
}

.auth-status {
    background: #f5f5f5;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
}

.auth-status p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.btn {
    width: 100%;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #f5f5f5;
    color: #666;
    margin-top: 16px;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.info {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #e0e0e0;
}

.info-text {
    color: #999;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.success-icon, .error-icon {
    margin-bottom: 24px;
    display: inline-block;
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.success-info {
    border-top-color: #4CAF50;
}

.error-info {
    border-top-color: #F44336;
}

.user-info {
    background: #f5f5f5;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    text-align: left;
}

.user-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 8px;
}

.user-info p:last-child {
    margin-bottom: 0;
}

.user-info strong {
    color: #1a1a1a;
}

.error-message {
    background: #ffebee;
    border: 1px solid #ffcdd2;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
}

.error-message p {
    color: #c62828;
    font-size: 14px;
    line-height: 1.5;
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 24px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 600px) {
    .portal-card {
        padding: 32px 24px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    .subtitle {
        font-size: 14px;
    }
}

/* Loading state */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}