.error-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 80vh;
            padding: 2rem 1rem;
            text-align: center;
        }
        .error-illustration {
            max-width: 320px;
            width: 100%;
            margin-bottom: 2rem;
        }
        .error-code {
            font-size: 6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .error-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.75rem;
        }
        .error-desc {
            font-size: 1rem;
            color: #6c757d;
            max-width: 420px;
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .error-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: background 0.2s;
        }
        .btn-back:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
        }
        @media (max-width: 480px) {
            .error-code { font-size: 4rem; }
            .error-title { font-size: 1.25rem; }
            .error-illustration { max-width: 240px; }
        }