/* 404 Error Page Styles */

.error-404-container {
    min-height: calc(100vh - 300px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}

.error-404-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.error-404-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border-radius: 30px;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

.error-404-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0) 100%);
    animation: error-404-pulse 3s ease-in-out infinite;
}

@keyframes error-404-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.error-404-icon i {
    font-size: 60px;
    color: #9ca3af;
    position: relative;
    z-index: 1;
}

.error-404-number {
    font-size: 96px;
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.error-404-title {
    color: #1e293b;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
}

.error-404-description {
    font-size: 16px;
    color: #64748b;
    margin-bottom: 36px;
    line-height: 1.6;
}

.error-404-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.error-404-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    border: none;
    cursor: pointer;
}

.error-404-btn-primary {
    color: white;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3),
                0 2px 6px rgba(59, 130, 246, 0.2);
}

.error-404-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4),
                0 3px 8px rgba(59, 130, 246, 0.3);
    color: white;
}

.error-404-btn-secondary {
    color: #64748b;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.error-404-btn-secondary:hover {
    color: #1e293b;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.error-404-btn:active {
    transform: translateY(0);
}

.error-404-btn i {
    font-size: 18px;
}

.error-404-suggestions {
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid #e2e8f0;
}

.error-404-suggestions h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 20px;
}

.error-404-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.error-404-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    color: #475569;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.error-404-link:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #1e293b;
    transform: translateX(4px);
}

.error-404-link i {
    font-size: 16px;
    color: #3b82f6;
}

/* Responsive */
@media (max-width: 768px) {
    .error-404-number {
        font-size: 72px;
    }

    .error-404-title {
        font-size: 24px;
    }

    .error-404-description {
        font-size: 15px;
    }

    .error-404-icon {
        width: 100px;
        height: 100px;
        margin-bottom: 24px;
    }

    .error-404-icon i {
        font-size: 50px;
    }

    .error-404-btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .error-404-suggestions {
        margin-top: 40px;
        padding-top: 40px;
    }

    .error-404-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .error-404-number {
        font-size: 64px;
    }

    .error-404-title {
        font-size: 22px;
    }

    .error-404-icon {
        width: 90px;
        height: 90px;
    }

    .error-404-icon i {
        font-size: 45px;
    }

    .error-404-actions {
        flex-direction: column;
        width: 100%;
    }

    .error-404-btn {
        width: 100%;
    }
}