:root {
    --primary-color: #4477AD;
    --secondary-color: #5590C8;
    --accent-color: #e74c3c;
    --light-bg: #f8f9fa;
    --dark-text: #343a40;
    --light-text: #ffffff;
}

body {
    font-family: 'Nunito', sans-serif;
    background-color: #f7f9fc;
    color: var(--dark-text);
    padding: 0;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.title-bar {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--light-text);
    padding: 1.5rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.app-title {
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 0.3rem;
    letter-spacing: 0.5px;
}

.app-subtitle {
    font-weight: 600;
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.date-display {
    font-size: 1rem;
    opacity: 0.8;
}

.error-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    padding: 3rem;
    margin: 0.5rem auto;
    max-width: 600px;
    text-align: center;
    transition: all 0.3s ease;
}

.error-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    font-size: 4rem;
    color: var(--accent-color);
    background-color: rgba(231, 76, 60, 0.1);
    border-radius: 50%;
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
}

.error-title {
    color: var(--accent-color);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.error-message {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.4);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(231, 76, 60, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer {
    margin-top: auto;
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.9rem;
    color: #6c757d;
    background-color: #f1f5f9;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .error-container {
        padding: 2rem;
        margin: 1rem;
    }

    .error-icon {
        width: 90px;
        height: 90px;
        font-size: 3rem;
    }

    .error-title {
        font-size: 1.8rem;
    }

    .error-message {
        font-size: 1rem;
    }
}