/**
 * Veelearn Error Handler CSS
 * User-friendly error modal styles
 */

.error-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10001;
    backdrop-filter: blur(4px);
}

.error-modal-content {
    background: white;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: errorModalSlideIn 0.3s ease-out;
}

@keyframes errorModalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.error-modal-header {
    display: flex;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #e5e7eb;
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-radius: 12px 12px 0 0;
}

.error-icon {
    font-size: 32px;
    margin-right: 16px;
}

.error-title {
    flex: 1;
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #991b1b;
}

.error-close-btn {
    background: none;
    border: none;
    font-size: 28px;
    color: #6b7280;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.error-close-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #374151;
}

.error-modal-body {
    padding: 24px;
}

.error-message {
    margin: 0 0 16px 0;
    font-size: 16px;
    color: #374151;
    line-height: 1.5;
}

.error-suggestion {
    background: #f0f9ff;
    border-left: 4px solid #0ea5e9;
    padding: 16px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.error-suggestion strong {
    color: #0369a1;
    display: block;
    margin-bottom: 8px;
}

.error-suggestion p {
    margin: 0;
    font-size: 14px;
    color: #0c4a6e;
    line-height: 1.5;
}

.error-context {
    padding: 12px;
    background: #f9fafb;
    border-radius: 6px;
    margin-bottom: 12px;
}

.error-context small {
    color: #6b7280;
    font-size: 12px;
}

.error-code {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: #6b7280;
    text-align: right;
    padding-top: 12px;
    border-top: 1px solid #e5e7eb;
}

.error-modal-footer {
    display: flex;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
    border-radius: 0 0 12px 12px;
}

.error-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

.error-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.error-btn-secondary {
    background: white;
    color: #374151;
    border: 1px solid #d1d5db;
}

.error-btn-secondary:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .error-modal-content {
        background: #1f2937;
    }

    .error-modal-header {
        background: linear-gradient(135deg, #7f1d1d 0%, #991b1b 100%);
        border-bottom-color: #374151;
    }

    .error-title {
        color: #fef2f2;
    }

    .error-close-btn {
        color: #d1d5db;
    }

    .error-close-btn:hover {
        background: rgba(255, 255, 255, 0.1);
        color: white;
    }

    .error-message {
        color: #e5e7eb;
    }

    .error-suggestion {
        background: #1e3a5f;
        border-left-color: #38bdf8;
    }

    .error-suggestion strong {
        color: #7dd3fc;
    }

    .error-suggestion p {
        color: #bae6fd;
    }

    .error-context {
        background: #374151;
    }

    .error-context small {
        color: #9ca3af;
    }

    .error-code {
        color: #9ca3af;
        border-top-color: #374151;
    }

    .error-modal-footer {
        background: #1f2937;
        border-top-color: #374151;
    }

    .error-btn-secondary {
        background: #374151;
        color: #e5e7eb;
        border-color: #4b5563;
    }

    .error-btn-secondary:hover {
        background: #4b5563;
        border-color: #6b7280;
    }
}

/* Responsive design */
@media (max-width: 640px) {
    .error-modal-content {
        width: 95%;
        max-width: none;
        margin: 16px;
    }

    .error-modal-header {
        padding: 16px 20px;
    }

    .error-modal-body {
        padding: 20px;
    }

    .error-modal-footer {
        padding: 12px 20px;
        flex-direction: column;
    }

    .error-btn {
        width: 100%;
    }
}